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Home Return to list Winter Weather Advisory 0025 Issued by the Great Falls Forecast Office
Action: Time and Area Extended Issued At: 2026-05-16 00:00:46 266 WWUS45 KTFX 160500 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1100 PM MDT Fri May 15 2026 MTZ301-307-315-322-162000- /O.EXB.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Saint Mary, Marias Pass, Lincoln, Boulder, Babb, Wickes, Elk Park Pass, Corbin, East Glacier Park, Flesher Pass, Marysville, Logan Pass, Clancy, Rogers Pass, MacDonald Pass, Kiowa, Homestake Pass, and Montana City 1100 PM MDT Fri May 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches over most mountain passes, with up to 12 inches over the highest peaks. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...From midnight Saturday Night to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ317-320-162000- /O.EXB.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Monarch, Maudlow, Deep Creek Pass, Bozeman Pass, Kings Hill Pass, Battle Ridge Pass, Trident, and Neihart 1100 PM MDT Fri May 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with isolated amounts up to 12 inches in the northern slopes of the Little Belt Mountains. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...From midnight Saturday Night to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ330-162000- /O.CON.KTFX.WW.Y.0025.260516T2300Z-260517T1200Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 1100 PM MDT Fri May 15 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 6 AM MDT SUNDAY... * WHAT...Snow expected. Total snow accumulations 3 to 7 inches, with higher amounts on high peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 5 PM Saturday to 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday. * ADDITIONAL DETAILS...Snow levels quickly fall Saturday evening after a round of showers and perhaps a couple thunderstorms Saturday afternoon. Those with back country plans should be aware of the forecast raw conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ Moldan Action: Time and Area Extended Issued At: 2026-05-16 00:00:46 266 WWUS45 KTFX 160500 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1100 PM MDT Fri May 15 2026 MTZ301-307-315-322-162000- /O.EXB.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Saint Mary, Marias Pass, Lincoln, Boulder, Babb, Wickes, Elk Park Pass, Corbin, East Glacier Park, Flesher Pass, Marysville, Logan Pass, Clancy, Rogers Pass, MacDonald Pass, Kiowa, Homestake Pass, and Montana City 1100 PM MDT Fri May 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches over most mountain passes, with up to 12 inches over the highest peaks. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...From midnight Saturday Night to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ317-320-162000- /O.EXB.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Monarch, Maudlow, Deep Creek Pass, Bozeman Pass, Kings Hill Pass, Battle Ridge Pass, Trident, and Neihart 1100 PM MDT Fri May 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with isolated amounts up to 12 inches in the northern slopes of the Little Belt Mountains. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...From midnight Saturday Night to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ330-162000- /O.CON.KTFX.WW.Y.0025.260516T2300Z-260517T1200Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 1100 PM MDT Fri May 15 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 6 AM MDT SUNDAY... * WHAT...Snow expected. Total snow accumulations 3 to 7 inches, with higher amounts on high peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 5 PM Saturday to 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday. * ADDITIONAL DETAILS...Snow levels quickly fall Saturday evening after a round of showers and perhaps a couple thunderstorms Saturday afternoon. Those with back country plans should be aware of the forecast raw conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ Moldan Action: Continued Issued At: 2026-05-16 13:29:25 623 WWUS45 KTFX 161829 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1229 PM MDT Sat May 16 2026 MTZ330-170930- /O.CON.KTFX.WW.Y.0025.260516T2300Z-260517T1200Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Raynolds Pass, and Big Sky 1229 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 6 AM MDT SUNDAY... * WHAT...Snow expected. Total snow accumulations 3 to 7 inches, with higher amounts on high peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 5 PM this afternoon to 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday. * ADDITIONAL DETAILS...Snow levels quickly fall this evening after a round of showers and perhaps a couple thunderstorms this afternoon. Those with back country plans should be aware of the forecast raw conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ301-307-315-322-170930- /O.CON.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Corbin, Elk Park Pass, Clancy, Marysville, Wickes, Babb, Marias Pass, East Glacier Park, Logan Pass, Rogers Pass, Lincoln, Flesher Pass, MacDonald Pass, Montana City, Boulder, Kiowa, Homestake Pass, and Saint Mary 1229 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches over most mountain passes, with up to 12 inches over the highest peaks. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ317-320-170930- /O.CON.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Deep Creek Pass, Monarch, Bozeman Pass, Kings Hill Pass, Trident, Maudlow, Neihart, and Battle Ridge Pass 1229 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with isolated amounts up to 11 inches in the northern slopes of the Little Belt Mountains. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ IG Action: Continued Issued At: 2026-05-16 13:29:25 623 WWUS45 KTFX 161829 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1229 PM MDT Sat May 16 2026 MTZ330-170930- /O.CON.KTFX.WW.Y.0025.260516T2300Z-260517T1200Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Targhee Pass, West Yellowstone, Raynolds Pass, and Big Sky 1229 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 6 AM MDT SUNDAY... * WHAT...Snow expected. Total snow accumulations 3 to 7 inches, with higher amounts on high peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 5 PM this afternoon to 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday. * ADDITIONAL DETAILS...Snow levels quickly fall this evening after a round of showers and perhaps a couple thunderstorms this afternoon. Those with back country plans should be aware of the forecast raw conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ301-307-315-322-170930- /O.CON.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Corbin, Elk Park Pass, Clancy, Marysville, Wickes, Babb, Marias Pass, East Glacier Park, Logan Pass, Rogers Pass, Lincoln, Flesher Pass, MacDonald Pass, Montana City, Boulder, Kiowa, Homestake Pass, and Saint Mary 1229 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches over most mountain passes, with up to 12 inches over the highest peaks. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ MTZ317-320-170930- /O.CON.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Deep Creek Pass, Monarch, Bozeman Pass, Kings Hill Pass, Trident, Maudlow, Neihart, and Battle Ridge Pass 1229 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with isolated amounts up to 11 inches in the northern slopes of the Little Belt Mountains. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ IG Action: Continued Issued At: 2026-05-16 21:44:40 727 WWUS45 KTFX 170244 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 844 PM MDT Sat May 16 2026 MTZ325-326-171200- /O.EXA.KTFX.WW.Y.0025.000000T0000Z-260517T1200Z/ Madison River Valley-Gallatin Valley- Including the following locations: Cameron, Ennis, Gallatin Gateway, McAllister, Bozeman, Jeffers, and Norris 844 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SUNDAY... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches possible. * WHERE...Gallatin Valley and Madison River Valley. * WHEN...Until 6 AM MDT Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Snow will start accumulating on grassy areas and elevated roadways such as bridges and overpasses before eventually accumulating on paved roads as snow continues through the night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ330-171200- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260517T1200Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Raynolds Pass, Targhee Pass, Big Sky, and West Yellowstone 844 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... * WHAT...Snow. Total snow accumulations 3 to 7 inches, with higher amounts on high peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ301-307-315-322-171745- /O.CON.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Babb, Elk Park Pass, Clancy, Marias Pass, Wickes, Homestake Pass, Kiowa, Rogers Pass, Corbin, East Glacier Park, Marysville, MacDonald Pass, Montana City, Saint Mary, Logan Pass, Lincoln, Boulder, and Flesher Pass 844 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches over most mountain passes, with up to 12 inches over the highest peaks. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ317-320-171745- /O.CON.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Battle Ridge Pass, Trident, Deep Creek Pass, Bozeman Pass, Monarch, Kings Hill Pass, Maudlow, and Neihart 844 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with isolated amounts up to 11 inches in the northern slopes of the Little Belt Mountains. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Glinskas Action: Continued Issued At: 2026-05-16 21:44:40 727 WWUS45 KTFX 170244 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 844 PM MDT Sat May 16 2026 MTZ325-326-171200- /O.EXA.KTFX.WW.Y.0025.000000T0000Z-260517T1200Z/ Madison River Valley-Gallatin Valley- Including the following locations: Cameron, Ennis, Gallatin Gateway, McAllister, Bozeman, Jeffers, and Norris 844 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SUNDAY... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches possible. * WHERE...Gallatin Valley and Madison River Valley. * WHEN...Until 6 AM MDT Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Snow will start accumulating on grassy areas and elevated roadways such as bridges and overpasses before eventually accumulating on paved roads as snow continues through the night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ330-171200- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260517T1200Z/ Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Raynolds Pass, Targhee Pass, Big Sky, and West Yellowstone 844 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY... * WHAT...Snow. Total snow accumulations 3 to 7 inches, with higher amounts on high peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ301-307-315-322-171745- /O.CON.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Babb, Elk Park Pass, Clancy, Marias Pass, Wickes, Homestake Pass, Kiowa, Rogers Pass, Corbin, East Glacier Park, Marysville, MacDonald Pass, Montana City, Saint Mary, Logan Pass, Lincoln, Boulder, and Flesher Pass 844 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches over most mountain passes, with up to 12 inches over the highest peaks. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ MTZ317-320-171745- /O.CON.KTFX.WW.Y.0025.260517T0600Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Battle Ridge Pass, Trident, Deep Creek Pass, Bozeman Pass, Monarch, Kings Hill Pass, Maudlow, and Neihart 844 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT SUNDAY NIGHT... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with isolated amounts up to 11 inches in the northern slopes of the Little Belt Mountains. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...From midnight tonight to midnight MDT Sunday Night. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. && $$ Glinskas Action: Continued Issued At: 2026-05-17 06:55:40 976 WWUS45 KTFX 171155 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 555 AM MDT Sun May 17 2026 MTZ325-326-330-171300- /O.EXP.KTFX.WW.Y.0025.000000T0000Z-260517T1200Z/ Madison River Valley-Gallatin Valley-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Norris, Jeffers, Ennis, Raynolds Pass, Gallatin Gateway, Targhee Pass, Bozeman, Big Sky, McAllister, West Yellowstone, and Cameron 555 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... $$ MTZ301-307-315-322-180300- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Logan Pass, Elk Park Pass, Flesher Pass, Babb, Wickes, Homestake Pass, Clancy, Marias Pass, Corbin, Rogers Pass, Boulder, Marysville, Saint Mary, Lincoln, MacDonald Pass, Montana City, East Glacier Park, and Kiowa 555 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ317-320-180300- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Battle Ridge Pass, Kings Hill Pass, Deep Creek Pass, Monarch, Trident, Maudlow, Bozeman Pass, and Neihart 555 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to 5 inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ Moldan Action: Continued Issued At: 2026-05-17 06:55:40 976 WWUS45 KTFX 171155 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 555 AM MDT Sun May 17 2026 MTZ325-326-330-171300- /O.EXP.KTFX.WW.Y.0025.000000T0000Z-260517T1200Z/ Madison River Valley-Gallatin Valley-Gallatin and Madison County Mountains and Centennial Mountains- Including the following locations: Norris, Jeffers, Ennis, Raynolds Pass, Gallatin Gateway, Targhee Pass, Bozeman, Big Sky, McAllister, West Yellowstone, and Cameron 555 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... $$ MTZ301-307-315-322-180300- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Logan Pass, Elk Park Pass, Flesher Pass, Babb, Wickes, Homestake Pass, Clancy, Marias Pass, Corbin, Rogers Pass, Boulder, Marysville, Saint Mary, Lincoln, MacDonald Pass, Montana City, East Glacier Park, and Kiowa 555 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ317-320-180300- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Battle Ridge Pass, Kings Hill Pass, Deep Creek Pass, Monarch, Trident, Maudlow, Bozeman Pass, and Neihart 555 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to 5 inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ Moldan Action: Continued Issued At: 2026-05-17 12:51:53 459 WWUS45 KTFX 171751 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1151 AM MDT Sun May 17 2026 MTZ301-307-315-322-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Lincoln, Flesher Pass, Kiowa, East Glacier Park, Marias Pass, Babb, Boulder, Logan Pass, Clancy, Wickes, Saint Mary, Elk Park Pass, Homestake Pass, Corbin, Rogers Pass, MacDonald Pass, Montana City, and Marysville 1151 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to two inches. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ317-320-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Battle Ridge Pass, Deep Creek Pass, Maudlow, Monarch, Neihart, Trident, Kings Hill Pass, and Bozeman Pass 1151 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to two inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ AM Action: Continued Issued At: 2026-05-17 12:51:53 459 WWUS45 KTFX 171751 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1151 AM MDT Sun May 17 2026 MTZ301-307-315-322-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ East Glacier Park Region-Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass-Elkhorn and Boulder Mountains- Including the following locations: Lincoln, Flesher Pass, Kiowa, East Glacier Park, Marias Pass, Babb, Boulder, Logan Pass, Clancy, Wickes, Saint Mary, Elk Park Pass, Homestake Pass, Corbin, Rogers Pass, MacDonald Pass, Montana City, and Marysville 1151 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to two inches. Winds gusting as high as 40 mph. * WHERE...The Continental Divide along the Rocky Mountain Front, Upper Blackfoot and MacDonald Pass, and Elkhorn and Boulder Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ317-320-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Little Belt and Highwood Mountains-Big Belt, Bridger and Castle Mountains- Including the following locations: Battle Ridge Pass, Deep Creek Pass, Maudlow, Monarch, Neihart, Trident, Kings Hill Pass, and Bozeman Pass 1151 AM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations up to two inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Little Belt and Highwood Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery backcountry road conditions. Wet and raw conditions may create hypothermia risk for those recreating in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. && $$ AM Action: Cancelled Issued At: 2026-05-17 19:17:35 875 WWUS45 KTFX 180017 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 617 PM MDT Sun May 17 2026 MTZ301-320-322-180130- /O.CAN.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ East Glacier Park Region-Big Belt, Bridger and Castle Mountains- Elkhorn and Boulder Mountains- Including the following locations: Corbin, Clancy, Trident, Maudlow, Deep Creek Pass, Logan Pass, Montana City, Bozeman Pass, East Glacier Park, Saint Mary, Marias Pass, Battle Ridge Pass, Boulder, Kiowa, Homestake Pass, Babb, Elk Park Pass, and Wickes 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY IS CANCELLED... The threat for impactful snowfall has ended. $$ MTZ307-315-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass- Including the following locations: Lincoln, Flesher Pass, Rogers Pass, Marysville, and MacDonald Pass 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations of 1 to 2 inches. * WHERE...Upper Blackfoot and MacDonald Pass and Southern Rocky Mountain Front. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ317-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Little Belt and Highwood Mountains- Including the following locations: Monarch, Neihart, and Kings Hill Pass 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations of 1 to 2 inches. * WHERE...Little Belt and Highwood Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ Brusda Action: Continued Issued At: 2026-05-17 19:17:35 875 WWUS45 KTFX 180017 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 617 PM MDT Sun May 17 2026 MTZ301-320-322-180130- /O.CAN.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ East Glacier Park Region-Big Belt, Bridger and Castle Mountains- Elkhorn and Boulder Mountains- Including the following locations: Corbin, Clancy, Trident, Maudlow, Deep Creek Pass, Logan Pass, Montana City, Bozeman Pass, East Glacier Park, Saint Mary, Marias Pass, Battle Ridge Pass, Boulder, Kiowa, Homestake Pass, Babb, Elk Park Pass, and Wickes 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY IS CANCELLED... The threat for impactful snowfall has ended. $$ MTZ307-315-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass- Including the following locations: Lincoln, Flesher Pass, Rogers Pass, Marysville, and MacDonald Pass 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations of 1 to 2 inches. * WHERE...Upper Blackfoot and MacDonald Pass and Southern Rocky Mountain Front. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ317-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Little Belt and Highwood Mountains- Including the following locations: Monarch, Neihart, and Kings Hill Pass 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations of 1 to 2 inches. * WHERE...Little Belt and Highwood Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ Brusda Action: Continued Issued At: 2026-05-17 19:17:35 875 WWUS45 KTFX 180017 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 617 PM MDT Sun May 17 2026 MTZ301-320-322-180130- /O.CAN.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ East Glacier Park Region-Big Belt, Bridger and Castle Mountains- Elkhorn and Boulder Mountains- Including the following locations: Corbin, Clancy, Trident, Maudlow, Deep Creek Pass, Logan Pass, Montana City, Bozeman Pass, East Glacier Park, Saint Mary, Marias Pass, Battle Ridge Pass, Boulder, Kiowa, Homestake Pass, Babb, Elk Park Pass, and Wickes 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY IS CANCELLED... The threat for impactful snowfall has ended. $$ MTZ307-315-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass- Including the following locations: Lincoln, Flesher Pass, Rogers Pass, Marysville, and MacDonald Pass 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations of 1 to 2 inches. * WHERE...Upper Blackfoot and MacDonald Pass and Southern Rocky Mountain Front. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ317-180600- /O.CON.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Little Belt and Highwood Mountains- Including the following locations: Monarch, Neihart, and Kings Hill Pass 617 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations of 1 to 2 inches. * WHERE...Little Belt and Highwood Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ Brusda Action: Expired Issued At: 2026-05-18 00:59:16 360 WWUS45 KTFX 180558 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1158 PM MDT Sun May 17 2026 MTZ307-315-317-180700- /O.EXP.KTFX.WW.Y.0025.000000T0000Z-260518T0600Z/ Southern Rocky Mountain Front-Upper Blackfoot and MacDonald Pass- Little Belt and Highwood Mountains- Including the following locations: Lincoln, Kings Hill Pass, Neihart, Flesher Pass, Marysville, MacDonald Pass, Rogers Pass, and Monarch 1158 PM MDT Sun May 17 2026 ...WINTER WEATHER ADVISORY WILL EXPIRE AT MIDNIGHT MDT TONIGHT... The impactful snow has come to an end across the region and for this reason the Winter Weather Advisory will be allowed to expire; however, additional light accumulations will be possible through Monday morning, especially across the Little Belt Mountains. $$ Moldan | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||