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Winter Weather Advisory 0052
Issued by the Great Falls Forecast Office

Action Issued Starts Expiration
New 2025-12-04 14:46:28 2025-12-04 17:00:00 2025-12-05 12:00:00
New 2025-12-04 14:46:28 2025-12-04 18:00:00 2025-12-05 12:00:00
Continued 2025-12-05 04:45:35 2025-12-05 12:00:00
Continued 2025-12-05 04:45:35 2025-12-05 12:00:00
Cancelled 2025-12-05 08:53:15 2025-12-05 12:00:00


Action: New
Issued At: 2025-12-04 14:46:28

640 
WWUS45 KTFX 042046
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
146 PM MST Thu Dec 4 2025

...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES 
THROUGH THE SATURDAY...

.The first round of heavy snow is expected to last through early 
Friday morning and will primarily focus on the mountains of central 
and southwest Montana with 4 to 8 inches possible along the mountain 
passes including Bozeman and Kings Hill Pass. A period of lighter 
snowfall is expected Friday morning and afternoon. The second and 
more widespread round of heavier snowfall is expected to arrive 
Friday evening and continue into Saturday evening with an additional 
6 to 12 inches possible over the passes and higher amounts above 
pass level.

MTZ327-051200-
/O.UPG.KTFX.WS.A.0018.251205T1200Z-251207T0000Z/
/O.EXB.KTFX.WS.W.0019.251205T0000Z-251207T0000Z/
Northwest Beaverhead County-
Including the following locations: Dewey, Chief Joseph Pass, Big
Hole Pass, Wisdom, and Wise River
146 PM MST Thu Dec 4 2025

...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM 
MST SATURDAY...

* WHAT...Heavy snow expected. Snowfall totals between 2 and 6 inches 
  in the Big Hole Valley and between 8 and 15 inches at pass level. 
  Winds gusting as high as 40 mph.

* WHERE...Northwest Beaverhead County.

* WHEN...From 5 PM this afternoon to 5 PM MST Saturday.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions. Gusty winds could 
  bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

Remember, a Winter Storm Warning means that there is at least an 80% 
chance of impactful winter weather conditions during the warning 
period.

&&

$$

MTZ317-320-330-051200-
/O.CON.KTFX.WS.W.0019.000000T0000Z-251206T2100Z/
Little Belt and Highwood Mountains-Big Belt, Bridger and Castle
Mountains-Gallatin and Madison County Mountains and Centennial
Mountains-
Including the following locations: Maudlow, Big Sky, West
Yellowstone, Kings Hill Pass, Trident, Monarch, Targhee Pass,
Neihart, Deep Creek Pass, Bozeman Pass, Battle Ridge Pass, and
Raynolds Pass
146 PM MST Thu Dec 4 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY...

* WHAT...Heavy snow expected. Snowfall totals between 8 and 12 
  inches at pass level and up to 24 inches above pass level. Winds 
  gusting as high as 45 mph.

* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and 
  Highwood Mountains, and Gallatin and Madison County Mountains and 
  Centennial Mountains.

* WHEN...Until 2 PM MST Saturday.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions.

* ADDITIONAL DETAILS...Significant travel impacts to the Thursday 
  and Friday commutes are possible for Bozeman Pass and along 
  Highway 191 south of Bozeman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

Remember, a Winter Storm Warning means that there is at least an 80% 
chance of impactful winter weather conditions during the warning 
period.

&&

$$

MTZ326-051200-
/O.NEW.KTFX.WW.Y.0052.251204T2300Z-251205T1800Z/
Gallatin Valley-
Including the following locations: Bozeman and Gallatin Gateway
146 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 11 
AM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 4 
  inches.

* WHERE...Gallatin Valley.

* WHEN...From 4 PM this afternoon to 11 AM MST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening and Friday morning 
  commutes.

* ADDITIONAL DETAILS...There will be a lull in the snow Friday 
  afternoon with another round of snow expected Friday evening into 
  Saturday afternoon.

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.

&&

$$

MTZ322-051200-
/O.NEW.KTFX.WW.Y.0052.251205T0000Z-251205T1800Z/
Elkhorn and Boulder Mountains-
Including the following locations: Clancy, Elk Park Pass,
Boulder, Homestake Pass, Wickes, Corbin, and Montana City
146 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 
AM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 6 
  inches.

* WHERE...Elkhorn and Boulder Mountains.

* WHEN...From 5 PM this afternoon to 11 AM MST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening and Friday morning 
  commutes.

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.

&&

$$

MTZ301-307-051200-
/O.EXT.KTFX.WS.A.0018.251206T0000Z-251207T1500Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Saint Mary, Marias Pass, Logan
Pass, Kiowa, East Glacier Park, Rogers Pass, and Babb
146 PM MST Thu Dec 4 2025

...WINTER STORM WATCH NOW IN EFFECT FROM FRIDAY AFTERNOON THROUGH 
SUNDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations between 6 and 
  12 inches possible. Winds could gust as high as 55 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...From Friday afternoon through Sunday morning.

* IMPACTS...Tire chains may be required for some vehicles if 
  traveling through mountain passes. Strong winds could cause tree 
  damage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

Remember, a Winter Storm Watch means that there is at least a 50% 
chance of impactful winter weather conditions during the watch 
period.

&&

$$

Glinskas


Action: New
Issued At: 2025-12-04 14:46:28

640 
WWUS45 KTFX 042046
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
146 PM MST Thu Dec 4 2025

...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES 
THROUGH THE SATURDAY...

.The first round of heavy snow is expected to last through early 
Friday morning and will primarily focus on the mountains of central 
and southwest Montana with 4 to 8 inches possible along the mountain 
passes including Bozeman and Kings Hill Pass. A period of lighter 
snowfall is expected Friday morning and afternoon. The second and 
more widespread round of heavier snowfall is expected to arrive 
Friday evening and continue into Saturday evening with an additional 
6 to 12 inches possible over the passes and higher amounts above 
pass level.

MTZ327-051200-
/O.UPG.KTFX.WS.A.0018.251205T1200Z-251207T0000Z/
/O.EXB.KTFX.WS.W.0019.251205T0000Z-251207T0000Z/
Northwest Beaverhead County-
Including the following locations: Dewey, Chief Joseph Pass, Big
Hole Pass, Wisdom, and Wise River
146 PM MST Thu Dec 4 2025

...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM 
MST SATURDAY...

* WHAT...Heavy snow expected. Snowfall totals between 2 and 6 inches 
  in the Big Hole Valley and between 8 and 15 inches at pass level. 
  Winds gusting as high as 40 mph.

* WHERE...Northwest Beaverhead County.

* WHEN...From 5 PM this afternoon to 5 PM MST Saturday.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions. Gusty winds could 
  bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

Remember, a Winter Storm Warning means that there is at least an 80% 
chance of impactful winter weather conditions during the warning 
period.

&&

$$

MTZ317-320-330-051200-
/O.CON.KTFX.WS.W.0019.000000T0000Z-251206T2100Z/
Little Belt and Highwood Mountains-Big Belt, Bridger and Castle
Mountains-Gallatin and Madison County Mountains and Centennial
Mountains-
Including the following locations: Maudlow, Big Sky, West
Yellowstone, Kings Hill Pass, Trident, Monarch, Targhee Pass,
Neihart, Deep Creek Pass, Bozeman Pass, Battle Ridge Pass, and
Raynolds Pass
146 PM MST Thu Dec 4 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY...

* WHAT...Heavy snow expected. Snowfall totals between 8 and 12 
  inches at pass level and up to 24 inches above pass level. Winds 
  gusting as high as 45 mph.

* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and 
  Highwood Mountains, and Gallatin and Madison County Mountains and 
  Centennial Mountains.

* WHEN...Until 2 PM MST Saturday.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions.

* ADDITIONAL DETAILS...Significant travel impacts to the Thursday 
  and Friday commutes are possible for Bozeman Pass and along 
  Highway 191 south of Bozeman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

Remember, a Winter Storm Warning means that there is at least an 80% 
chance of impactful winter weather conditions during the warning 
period.

&&

$$

MTZ326-051200-
/O.NEW.KTFX.WW.Y.0052.251204T2300Z-251205T1800Z/
Gallatin Valley-
Including the following locations: Bozeman and Gallatin Gateway
146 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 11 
AM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 4 
  inches.

* WHERE...Gallatin Valley.

* WHEN...From 4 PM this afternoon to 11 AM MST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening and Friday morning 
  commutes.

* ADDITIONAL DETAILS...There will be a lull in the snow Friday 
  afternoon with another round of snow expected Friday evening into 
  Saturday afternoon.

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.

&&

$$

MTZ322-051200-
/O.NEW.KTFX.WW.Y.0052.251205T0000Z-251205T1800Z/
Elkhorn and Boulder Mountains-
Including the following locations: Clancy, Elk Park Pass,
Boulder, Homestake Pass, Wickes, Corbin, and Montana City
146 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 
AM MST FRIDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 6 
  inches.

* WHERE...Elkhorn and Boulder Mountains.

* WHEN...From 5 PM this afternoon to 11 AM MST Friday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Thursday evening and Friday morning 
  commutes.

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.

&&

$$

MTZ301-307-051200-
/O.EXT.KTFX.WS.A.0018.251206T0000Z-251207T1500Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Saint Mary, Marias Pass, Logan
Pass, Kiowa, East Glacier Park, Rogers Pass, and Babb
146 PM MST Thu Dec 4 2025

...WINTER STORM WATCH NOW IN EFFECT FROM FRIDAY AFTERNOON THROUGH 
SUNDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations between 6 and 
  12 inches possible. Winds could gust as high as 55 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...From Friday afternoon through Sunday morning.

* IMPACTS...Tire chains may be required for some vehicles if 
  traveling through mountain passes. Strong winds could cause tree 
  damage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

Remember, a Winter Storm Watch means that there is at least a 50% 
chance of impactful winter weather conditions during the watch 
period.

&&

$$

Glinskas


Action: Continued
Issued At: 2025-12-05 04:45:35

356 
WWUS45 KTFX 051044
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
344 AM MST Fri Dec 5 2025

MTZ317-320-330-060000-
/O.CON.KTFX.WS.W.0019.000000T0000Z-251206T2100Z/
Little Belt and Highwood Mountains-Big Belt, Bridger and Castle
Mountains-Gallatin and Madison County Mountains and Centennial
Mountains-
Including the following locations: Targhee Pass, Big Sky, West
Yellowstone, Battle Ridge Pass, Raynolds Pass, Kings Hill Pass,
Monarch, Neihart, Trident, Bozeman Pass, Maudlow, and Deep Creek
Pass
344 AM MST Fri Dec 5 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations between 6 and 12 
  inches. Isolated higher amounts. Winds gusting as high as 45 mph.

* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and 
  Highwood Mountains, and Gallatin and Madison County Mountains and 
  Centennial Mountains.

* WHEN...Until 2 PM MST Saturday.

* IMPACTS...Tire chains may be required for some vehicles if 
  traveling through mountain passes. Widespread blowing snow could 
  significantly reduce visibility. Gusty winds could bring down tree 
  branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remember, a Winter Storm Warning means that there is at least an 80% 
chance of impactful winter weather conditions during the warning 
period.

&&

$$

MTZ327-060000-
/O.CON.KTFX.WS.W.0019.000000T0000Z-251207T0000Z/
Northwest Beaverhead County-
Including the following locations: Wise River, Big Hole Pass,
Wisdom, Chief Joseph Pass, and Dewey
344 AM MST Fri Dec 5 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations between 10 and 18 
  inches. Isolated higher amounts. Winds gusting as high as 50 mph.

* WHERE...Northwest Beaverhead County.

* WHEN...Until 5 PM MST Saturday.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions. Widespread blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

MTZ304>306-310-311-314-318-060000-
/O.NEW.KTFX.WW.Y.0053.251206T0300Z-251206T1200Z/
Eastern Toole and Liberty-Hill County-Northern Blaine County-
Western and Central Chouteau County-Bears Paw Mountains and
Southern Blaine-Fergus County below 4500ft-Snowy and Judith
Mountains-
Including the following locations: Chinook, Harlem, Galata, Rocky
Boy, Carter, Zurich, Hilger, Lewistown, Hogeland, Fort Belknap,
Whitlash, Devon, Fort Benton, Chester, Shelby, Floweree, Havre,
Lothair, and Joplin
344 AM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY IN EFFECT
FROM 8 PM THIS EVENING TO 5 AM MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations 1 to 3 inches at 
  lower elevations and up to 8 inches in the mountains.

* WHERE...Portions of central and north central Montana.

* WHEN...From 8 PM this evening to 5 AM MST Saturday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MTZ322-051800-
/O.CON.KTFX.WW.Y.0052.000000T0000Z-251205T1800Z/
Elkhorn and Boulder Mountains-
Including the following locations: Montana City, Homestake Pass,
Elk Park Pass, Clancy, Wickes, Corbin, and Boulder
344 AM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 11 AM MST THIS MORNING...

* WHAT...Snow. Additional snow accumulations up to one inch.

* WHERE...Elkhorn and Boulder Mountains.

* WHEN...Until 11 AM MST this morning.

* 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.

&&

$$

MTZ326-051800-
/O.CON.KTFX.WW.Y.0052.000000T0000Z-251205T1800Z/
Gallatin Valley-
Including the following locations: Bozeman and Gallatin Gateway
344 AM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 11 AM MST THIS MORNING...

* WHAT...Snow. Additional snow accumulations up to one inch.

* WHERE...Gallatin Valley.

* WHEN...Until 11 AM MST this morning.

* 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.

&&

$$

MTZ301-307-060000-
/O.CON.KTFX.WS.A.0018.251206T0000Z-251207T1500Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: East Glacier Park, Babb,
Marias Pass, Saint Mary, Kiowa, Rogers Pass, and Logan Pass
344 AM MST Fri Dec 5 2025

...WINTER STORM WATCH REMAINS IN EFFECT
FROM THIS AFTERNOON THROUGH SUNDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations 8 to 15 
  inches possible. Winds could gust as high as 60 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...From this afternoon through Sunday morning.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions. Widespread blowing 
  snow could significantly reduce visibility. Strong winds could 
  cause tree damage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remember, a Winter Storm Watch means that there is at least a 50% 
chance of impactful winter weather conditions during the watch 
period.

&&

$$

Brusda


Action: Continued
Issued At: 2025-12-05 04:45:35

356 
WWUS45 KTFX 051044
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
344 AM MST Fri Dec 5 2025

MTZ317-320-330-060000-
/O.CON.KTFX.WS.W.0019.000000T0000Z-251206T2100Z/
Little Belt and Highwood Mountains-Big Belt, Bridger and Castle
Mountains-Gallatin and Madison County Mountains and Centennial
Mountains-
Including the following locations: Targhee Pass, Big Sky, West
Yellowstone, Battle Ridge Pass, Raynolds Pass, Kings Hill Pass,
Monarch, Neihart, Trident, Bozeman Pass, Maudlow, and Deep Creek
Pass
344 AM MST Fri Dec 5 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations between 6 and 12 
  inches. Isolated higher amounts. Winds gusting as high as 45 mph.

* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and 
  Highwood Mountains, and Gallatin and Madison County Mountains and 
  Centennial Mountains.

* WHEN...Until 2 PM MST Saturday.

* IMPACTS...Tire chains may be required for some vehicles if 
  traveling through mountain passes. Widespread blowing snow could 
  significantly reduce visibility. Gusty winds could bring down tree 
  branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remember, a Winter Storm Warning means that there is at least an 80% 
chance of impactful winter weather conditions during the warning 
period.

&&

$$

MTZ327-060000-
/O.CON.KTFX.WS.W.0019.000000T0000Z-251207T0000Z/
Northwest Beaverhead County-
Including the following locations: Wise River, Big Hole Pass,
Wisdom, Chief Joseph Pass, and Dewey
344 AM MST Fri Dec 5 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations between 10 and 18 
  inches. Isolated higher amounts. Winds gusting as high as 50 mph.

* WHERE...Northwest Beaverhead County.

* WHEN...Until 5 PM MST Saturday.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions. Widespread blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

MTZ304>306-310-311-314-318-060000-
/O.NEW.KTFX.WW.Y.0053.251206T0300Z-251206T1200Z/
Eastern Toole and Liberty-Hill County-Northern Blaine County-
Western and Central Chouteau County-Bears Paw Mountains and
Southern Blaine-Fergus County below 4500ft-Snowy and Judith
Mountains-
Including the following locations: Chinook, Harlem, Galata, Rocky
Boy, Carter, Zurich, Hilger, Lewistown, Hogeland, Fort Belknap,
Whitlash, Devon, Fort Benton, Chester, Shelby, Floweree, Havre,
Lothair, and Joplin
344 AM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY IN EFFECT
FROM 8 PM THIS EVENING TO 5 AM MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations 1 to 3 inches at 
  lower elevations and up to 8 inches in the mountains.

* WHERE...Portions of central and north central Montana.

* WHEN...From 8 PM this evening to 5 AM MST Saturday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MTZ322-051800-
/O.CON.KTFX.WW.Y.0052.000000T0000Z-251205T1800Z/
Elkhorn and Boulder Mountains-
Including the following locations: Montana City, Homestake Pass,
Elk Park Pass, Clancy, Wickes, Corbin, and Boulder
344 AM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 11 AM MST THIS MORNING...

* WHAT...Snow. Additional snow accumulations up to one inch.

* WHERE...Elkhorn and Boulder Mountains.

* WHEN...Until 11 AM MST this morning.

* 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.

&&

$$

MTZ326-051800-
/O.CON.KTFX.WW.Y.0052.000000T0000Z-251205T1800Z/
Gallatin Valley-
Including the following locations: Bozeman and Gallatin Gateway
344 AM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 11 AM MST THIS MORNING...

* WHAT...Snow. Additional snow accumulations up to one inch.

* WHERE...Gallatin Valley.

* WHEN...Until 11 AM MST this morning.

* 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.

&&

$$

MTZ301-307-060000-
/O.CON.KTFX.WS.A.0018.251206T0000Z-251207T1500Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: East Glacier Park, Babb,
Marias Pass, Saint Mary, Kiowa, Rogers Pass, and Logan Pass
344 AM MST Fri Dec 5 2025

...WINTER STORM WATCH REMAINS IN EFFECT
FROM THIS AFTERNOON THROUGH SUNDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations 8 to 15 
  inches possible. Winds could gust as high as 60 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...From this afternoon through Sunday morning.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions. Widespread blowing 
  snow could significantly reduce visibility. Strong winds could 
  cause tree damage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remember, a Winter Storm Watch means that there is at least a 50% 
chance of impactful winter weather conditions during the watch 
period.

&&

$$

Brusda


Action: Cancelled
Issued At: 2025-12-05 08:53:15

709 
WWUS45 KTFX 051452
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
752 AM MST Fri Dec 5 2025

MTZ322-326-051600-
/O.CAN.KTFX.WW.Y.0052.000000T0000Z-251205T1800Z/
Elkhorn and Boulder Mountains-Gallatin Valley-
Including the following locations: Elk Park Pass, Clancy,
Gallatin Gateway, Boulder, Homestake Pass, Bozeman, Montana City,
Wickes, and Corbin
752 AM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY IS CANCELLED...

The threat has ended.

$$

MTZ317-320-330-060600-
/O.CON.KTFX.WS.W.0019.000000T0000Z-251206T2100Z/
Little Belt and Highwood Mountains-Big Belt, Bridger and Castle
Mountains-Gallatin and Madison County Mountains and Centennial
Mountains-
Including the following locations: Trident, Targhee Pass,
Neihart, Kings Hill Pass, Raynolds Pass, Monarch, Maudlow, Deep
Creek Pass, Bozeman Pass, Big Sky, West Yellowstone, and Battle
Ridge Pass
752 AM MST Fri Dec 5 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations between 6 and 12 
  inches. Isolated higher amounts. Winds gusting as high as 45 mph.

* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and 
  Highwood Mountains, and Gallatin and Madison County Mountains and 
  Centennial Mountains.

* WHEN...Until 2 PM MST Saturday.

* IMPACTS...Tire chains may be required for some vehicles if 
  traveling through mountain passes. Widespread blowing snow could 
  significantly reduce visibility. Gusty winds could bring down tree 
  branches.

* ADDITIONAL DETAILS...Significant travel impacts to the Friday 
  commutes are possible for Bozeman Pass and along Highway 191 south 
  of Bozeman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

MTZ327-060600-
/O.CON.KTFX.WS.W.0019.000000T0000Z-251207T0000Z/
Northwest Beaverhead County-
Including the following locations: Big Hole Pass, Wisdom, Dewey,
Chief Joseph Pass, and Wise River
752 AM MST Fri Dec 5 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations between 8 and 16 
  inches. Isolated higher amounts. Winds gusting as high as 50 mph.

* WHERE...Northwest Beaverhead County.

* WHEN...Until 5 PM MST Saturday.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions. Widespread blowing 
  snow could significantly reduce visibility. Gusty winds could 
  bring down tree branches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in 
your vehicle in case of an emergency. The latest road conditions can 
be obtained by calling 5 1 1 or visiting the MDT Road Report website.

&&

$$

MTZ304>306-310-311-314-318-060600-
/O.CON.KTFX.WW.Y.0053.251206T0300Z-251206T1200Z/
Eastern Toole and Liberty-Hill County-Northern Blaine County-
Western and Central Chouteau County-Bears Paw Mountains and
Southern Blaine-Fergus County below 4500ft-Snowy and Judith
Mountains-
Including the following locations: Zurich, Fort Benton, Hogeland,
Fort Belknap, Chinook, Havre, Devon, Rocky Boy, Chester, Galata,
Shelby, Hilger, Carter, Floweree, Joplin, Whitlash, Lothair,
Harlem, and Lewistown
752 AM MST Fri Dec 5 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING 
TO 5 AM MST SATURDAY...

* WHAT...Snow expected. Total snow accumulations 1 to 3 inches at 
  lower elevations and up to 8 inches in the mountains.

* WHERE...Portions of central and north central Montana.

* WHEN...From 8 PM this evening to 5 AM MST Saturday.

* 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.

&&

$$

MTZ301-307-060600-
/O.CON.KTFX.WS.A.0018.251206T0000Z-251207T1500Z/
East Glacier Park Region-Southern Rocky Mountain Front-
Including the following locations: Marias Pass, Rogers Pass,
Babb, Saint Mary, Kiowa, East Glacier Park, and Logan Pass
752 AM MST Fri Dec 5 2025

...WINTER STORM WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON 
THROUGH SUNDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations 8 to 15 
  inches possible. Winds could gust as high as 60 mph.

* WHERE...The Continental Divide along the Rocky Mountain Front.

* WHEN...From 5 PM MST this afternoon through Sunday morning.

* IMPACTS...Travel could be very difficult and tire chains may be 
  required for some vehicles. Those in the backcountry should ensure 
  they are prepared for dangerous conditions. Widespread blowing 
  snow could significantly reduce visibility. Strong winds could 
  cause tree damage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

Remember, a Winter Storm Watch means that there is at least a 50% 
chance of impactful winter weather conditions during the watch 
period.

&&

$$

IG



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