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Home Return to list Winter Weather Advisory 0027 Issued by the Salt Lake City Forecast Office
Action: New Issued At: 2025-12-04 13:59:57 395 WWUS45 KSLC 041959 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 1259 PM MST Thu Dec 4 2025 UTZ110-111-051100- /O.UPG.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ /O.NEW.KSLC.WS.W.0007.251205T0300Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the following locations - Mantua, Alta, Logan Summit, and Brighton 1259 PM MST Thu Dec 4 2025 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 1 and 3 feet, locally up to 40 inches in the Bear River Range and upper Cottonwoods. * WHERE...The Wasatch Mountains. * WHEN...From 8 PM this evening to 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes. Traction restrictions are likely. Very low visibility in blowing and drifting snow is likely near Logan Summit. * ADDITIONAL DETAILS...Mountain snow will begin this evening and become heavy at times after 4 AM Friday morning. The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ108-051100- /O.UPG.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ /O.NEW.KSLC.WS.W.0007.251205T0600Z-251207T1200Z/ Wasatch Back- Including the following locations - Park City, Huntsville, and Heber City 1259 PM MST Thu Dec 4 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 to 16 inches above 5500 feet, 2 to 6 inches below 5500 feet. * WHERE...Wasatch Back. * WHEN...From 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on most routes, especially those in the Park City area including the Friday morning and evening commutes. * ADDITIONAL DETAILS...Two scenarios exist for this storm across the Wasatch Back regarding precipitation type. If temperatures remain near to below freezing through Friday evening below 5500 feet, snow accumulations will be at the higher range. If temperatures warm above freezing Friday morning, accumulations below 5500 feet will shift toward the lower end of the range. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ112-051100- /O.UPG.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ /O.NEW.KSLC.WS.W.0007.251205T0600Z-251207T1200Z/ Western Uinta Mountains- Including the following locations - Mirror Lake Highway and Moon Lake 1259 PM MST Thu Dec 4 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 1 to 2 feet. * WHERE...Western Uinta Mountains. * WHEN...From 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes. * ADDITIONAL DETAILS...Mountain snow will begin this tonight and become heavy at times after 6 AM Friday morning. The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 1 to 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ113-117-051100- /O.NEW.KSLC.WS.W.0007.251205T0600Z-251207T1200Z/ Wasatch Plateau/Book Cliffs-Central Mountains- Including the following locations - Joes Valley, Fish Lake, Indian Canyon, Scofield, and Cove Fort 1259 PM MST Thu Dec 4 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations 8 to 18 inches north of Manti, 4 to 8 inches south of Manti. * WHERE...Central Mountains and Wasatch Plateau/Book Cliffs. * WHEN...From 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes with significant impacts to conditions on Soldier Summit. * ADDITIONAL DETAILS...Mountain snow will begin this tonight and become heavy at times after 6 AM Friday morning. The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 1 to 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ103-107-051100- /O.NEW.KSLC.WW.Y.0026.251205T0600Z-251205T1800Z/ Eastern Box Elder County-Cache Valley/Utah Portion- Including the following locations - Snowville, Smithfield, Brigham City, and Logan 1259 PM MST Thu Dec 4 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations up to two inches valley floors, 2 to 6 inches benches. * WHERE...Cache Valley/Utah Portion and Eastern Box Elder County. * WHEN...From 11 PM this evening to 11 AM MST Friday. * IMPACTS...Winter driving conditions are expected and will impact the Friday morning commute. * ADDITIONAL DETAILS...Two scenarios exist for this storm across the Cache Valley and eastern Box Elder County regarding precipitation type. If temperatures remain near to below freezing through Friday evening, snow accumulations will be at the higher range. If temperatures warm above freezing Friday morning, accumulations will shift toward the lower end of the range. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ109-WYZ021-051100- /O.NEW.KSLC.WW.Y.0027.251206T0000Z-251207T0000Z/ Bear Lake and Bear River Valley-Southwest Wyoming- Including the following locations - Garden City, Evanston, Randolph, Woodruff, and Lyman 1259 PM MST Thu Dec 4 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM FRIDAY TO 5 PM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. Winds gusting as high as 55 mph mainly Uinta County, Wyoming. * WHERE...In Utah, Bear Lake and Bear River Valley. In Wyoming, Southwest Wyoming. * WHEN...From 5 PM Friday to 5 PM MST Saturday. * IMPACTS...Winter driving conditions are expected. Blowing and drifting snow will reduce visibility, including I-80 in Uinta County, WY. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov CRK Action: Continued Issued At: 2025-12-04 22:41:10 239 WWUS45 KSLC 050440 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 940 PM MST Thu Dec 4 2025 UTZ110-111-051945- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the following locations - Alta, Logan Summit, Brighton, and Mantua 940 PM MST Thu Dec 4 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations between 1 and 3 feet, with locally higher amounts possible in the Bear River Range and upper Cottonwoods. * WHERE...The Wasatch Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes. Traction restrictions are likely. Very low visibility in blowing and drifting snow is likely near Logan Summit. * ADDITIONAL DETAILS...Snow will become heavy at times after 4 AM Friday morning. The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ108-051945- /O.CON.KSLC.WS.W.0007.251205T0600Z-251207T1200Z/ Wasatch Back- Including the following locations - Heber City, Huntsville, and Park City 940 PM MST Thu Dec 4 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 to 16 inches above 5500 feet, 2 to 6 inches below 5500 feet. * WHERE...Wasatch Back. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on most routes, especially those in the Park City area and during the Friday morning and evening commutes. * ADDITIONAL DETAILS...Two scenarios exist for this storm across the Wasatch Back regarding precipitation type. If temperatures remain near to below freezing through Friday evening below 5500 feet, snow accumulations will be at the higher range. If temperatures warm above freezing Friday morning, accumulations below 5500 feet will shift toward the lower end of the range. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ112-113-117-051945- /O.CON.KSLC.WS.W.0007.251205T0600Z-251207T1200Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs-Central Mountains- Including the following locations - Indian Canyon, Scofield, Mirror Lake Highway, Joes Valley, Cove Fort, Fish Lake, and Moon Lake 940 PM MST Thu Dec 4 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet, except 4 to 8 inches south of Manti. * WHERE...Central Mountains, Wasatch Plateau/Book Cliffs, and Western Uinta Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes with significant impacts to conditions on Soldier Summit. * ADDITIONAL DETAILS...Mountain snow will begin this tonight and become heavy at times after 6 AM Friday morning. The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 1 to 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ103-107-051800- /O.CON.KSLC.WW.Y.0026.251205T0600Z-251205T1800Z/ Eastern Box Elder County-Cache Valley/Utah Portion- Including the following locations - Brigham City, Smithfield, Snowville, and Logan 940 PM MST Thu Dec 4 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations up to two inches valley floors, 2 to 6 inches benches. * WHERE...Cache Valley/Utah Portion and Eastern Box Elder County. * WHEN...Until 11 AM MST Friday. * IMPACTS...Winter driving conditions are expected and will impact the Friday morning commute. * ADDITIONAL DETAILS...Two scenarios exist for this storm across the Cache Valley and eastern Box Elder County regarding precipitation type. If temperatures remain near to below freezing through Friday evening, snow accumulations will be at the higher range. If temperatures warm above freezing Friday morning, accumulations will shift toward the lower end of the range. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ109-WYZ021-051945- /O.CON.KSLC.WW.Y.0027.251206T0000Z-251207T0000Z/ Bear Lake and Bear River Valley-Southwest Wyoming- Including the following locations - Randolph, Evanston, Woodruff, Lyman, and Garden City 940 PM MST Thu Dec 4 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM FRIDAY TO 5 PM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. Winds gusting as high as 55 mph mainly Uinta County, Wyoming. * WHERE...In Utah, Bear Lake and Bear River Valley. In Wyoming, Southwest Wyoming. * WHEN...From 5 PM Friday to 5 PM MST Saturday. * IMPACTS...Winter driving conditions are expected. Blowing and drifting snow will reduce visibility, including I-80 in Uinta County, WY. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov LC Action: Continued Issued At: 2025-12-05 08:00:13 430 WWUS45 KSLC 051359 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 659 AM MST Fri Dec 5 2025 UTZ108-060500- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Back- Including the following locations - Park City, Heber City, and Huntsville 659 AM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 to 16 inches above 5500 feet, 2 to 6 inches below 5500 feet. * WHERE...Wasatch Back. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on most routes, especially those in the Park City area and during the Friday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ110-111-060500- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the following locations - Logan Summit, Alta, Brighton, and Mantua 659 AM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations between 1 and 3 feet, with locally higher amounts possible in the Bear River Range and upper Cottonwoods. * WHERE...The Wasatch Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes. Traction restrictions are likely. Very low visibility in blowing and drifting snow is likely near Logan Summit. * ADDITIONAL DETAILS...The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ112-113-117-060500- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs-Central Mountains- Including the following locations - Joes Valley, Fish Lake, Moon Lake, Mirror Lake Highway, Cove Fort, Scofield, and Indian Canyon 659 AM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet, except 4 to 8 inches south of Manti. * WHERE...Central Mountains, Wasatch Plateau/Book Cliffs, and Western Uinta Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes with significant impacts to conditions on Soldier Summit. * ADDITIONAL DETAILS...The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 1 to 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ103-107-051800- /O.CON.KSLC.WW.Y.0026.000000T0000Z-251205T1800Z/ Eastern Box Elder County-Cache Valley/Utah Portion- Including the following locations - Snowville, Smithfield, Logan, and Brigham City 659 AM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow expected. Total snow accumulations up to two inches valley floors, 2 to 6 inches benches. * WHERE...Cache Valley/Utah Portion and Eastern Box Elder County. * WHEN...Until 11 AM MST this morning. * IMPACTS...Winter driving conditions are expected and will impact the Friday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ109-WYZ021-060500- /O.CON.KSLC.WW.Y.0027.251206T0000Z-251207T0000Z/ Bear Lake and Bear River Valley-Southwest Wyoming- Including the following locations - Randolph, Garden City, Evanston, Woodruff, and Lyman 659 AM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. Winds gusting as high as 55 mph mainly Uinta County, Wyoming. * WHERE...In Utah, Bear Lake and Bear River Valley. In Wyoming, Southwest Wyoming. * WHEN...From 5 PM this afternoon to 5 PM MST Saturday. * IMPACTS...Winter driving conditions are expected. Blowing and drifting snow will reduce visibility, including I-80 in Uinta County, WY. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov MT Action: Continued Issued At: 2025-12-05 12:00:19 658 WWUS45 KSLC 051759 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 1059 AM MST Fri Dec 5 2025 UTZ103-107-051900- /O.EXP.KSLC.WW.Y.0026.000000T0000Z-251205T1800Z/ Eastern Box Elder County-Cache Valley/Utah Portion- Including the following locations - Smithfield, Snowville, Brigham City, and Logan 1059 AM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... The period favoring the most impactful snowfall has ended, therefore the Winter Weather Advisory will expire. There is still around a 40% chance that temperatures stay cold enough in the Cache Valley for the bench areas to see an additional 1 to 4 inches of snowfall, however, odds are leaning in favor of predominant precipitation type to transition to rain through the evening and overnight hours. $$ UTZ108-060900- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Back- Including the following locations - Huntsville, Heber City, and Park City 1059 AM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 to 16 inches above 5500 feet, 2 to 6 inches below 5500 feet. * WHERE...Wasatch Back. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on most routes, especially those in the Park City area and during the Friday morning and evening commutes. * ADDITIONAL DETAILS...Two scenarios exist for this storm across the Wasatch Back regarding precipitation type. If temperatures remain near to below freezing through Friday evening below 5500 feet, snow accumulations will be at the higher range. If temperatures warm above freezing Friday morning, accumulations below 5500 feet will shift toward the lower end of the range. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ110-111-060900- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the following locations - Brighton, Alta, Mantua, and Logan Summit 1059 AM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations between 1 and 3 feet. * WHERE...The Wasatch Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes. Traction restrictions are likely. Very low visibility in blowing and drifting snow is likely near Logan Summit. * ADDITIONAL DETAILS...The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ112-113-117-060900- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs-Central Mountains- Including the following locations - Mirror Lake Highway, Indian Canyon, Joes Valley, Scofield, Cove Fort, Fish Lake, and Moon Lake 1059 AM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet, except 4 to 8 inches south of Manti. * WHERE...Central Mountains, Wasatch Plateau/Book Cliffs, and Western Uinta Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes with significant impacts to conditions on Soldier Summit. * ADDITIONAL DETAILS...The heaviest period of snow will be Friday evening into Saturday morning, with rates exceeding 1 to 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ109-WYZ021-060900- /O.CON.KSLC.WW.Y.0027.251206T0000Z-251207T0000Z/ Bear Lake and Bear River Valley-Southwest Wyoming- Including the following locations - Garden City, Woodruff, Lyman, Evanston, and Randolph 1059 AM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. Winds gusting as high as 55 mph mainly Uinta County, Wyoming. * WHERE...In Utah, Bear Lake and Bear River Valley. In Wyoming, Southwest Wyoming. * WHEN...From 5 PM this afternoon to 5 PM MST Saturday. * IMPACTS...Winter driving conditions are expected. Blowing and drifting snow will reduce visibility, including I-80 in Uinta County, WY. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov Webber Action: Continued Issued At: 2025-12-05 22:42:13 313 WWUS45 KSLC 060441 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 941 PM MST Fri Dec 5 2025 UTZ108-061945- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Back- Including the following locations - Park City, Heber City, and Huntsville 941 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations between 6 to 12 inches above 5500 feet and 2 to 6 inches below 5500 feet. * WHERE...Wasatch Back. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions are expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ110-111-061945- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the following locations - Logan Summit, Mantua, Brighton, and Alta 941 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations between 12 and 30 inches. * WHERE...The Wasatch Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes. Traction restrictions are likely. Very low visibility in blowing and drifting snow is likely near Logan Summit. * ADDITIONAL DETAILS...The heaviest period of snow will be Friday evening into early Saturday morning, with rates exceeding 2 inches per hour at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ112-113-117-061945- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs-Central Mountains- Including the following locations - Mirror Lake Highway, Scofield, Cove Fort, Joes Valley, Fish Lake, Moon Lake, and Indian Canyon 941 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations of 1 to 2 feet, except 4 to 8 inches south of Manti. * WHERE...Central Mountains, Wasatch Plateau/Book Cliffs, and Western Uinta Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes with significant impacts to conditions on Soldier Summit. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ109-WYZ021-061945- /O.CON.KSLC.WW.Y.0027.000000T0000Z-251207T0000Z/ Bear Lake and Bear River Valley-Southwest Wyoming- Including the following locations - Garden City, Evanston, Randolph, Lyman, and Woodruff 941 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY... * WHAT...Snow. Total snow accumulations of 2 to 5 inches. Winds gusting as high as 55 mph mainly Uinta County, Wyoming. * WHERE...In Utah, Bear Lake and Bear River Valley. In Wyoming, Southwest Wyoming. * WHEN...Until 5 PM MST Saturday. * IMPACTS...Winter driving conditions are expected. Blowing and drifting snow will reduce visibility, including along I-80 in Uinta County, WY. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov LC Action: Continued Issued At: 2025-12-06 07:15:10 323 WWUS45 KSLC 061314 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 614 AM MST Sat Dec 6 2025 UTZ108-070415- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Back- Including the following locations - Huntsville, Heber City, and Park City 614 AM MST Sat Dec 6 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations between 6 to 10 inches above 5500 feet and 2 to 5 inches below 5500 feet. * WHERE...Wasatch Back. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions are expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ110-111-070415- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the following locations - Brighton, Logan Summit, Alta, and Mantua 614 AM MST Sat Dec 6 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations between 10 and 20 inches. * WHERE...The Wasatch Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes. Traction restrictions are likely. Very low visibility in blowing and drifting snow is likely near Logan Summit. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ112-113-117-070415- /O.CON.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs-Central Mountains- Including the following locations - Joes Valley, Scofield, Indian Canyon, Mirror Lake Highway, Moon Lake, Fish Lake, and Cove Fort 614 AM MST Sat Dec 6 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Heavy snow. Total snow accumulations of 10 to 20 inches, except 4 to 8 inches south of Manti. * WHERE...Central Mountains, Wasatch Plateau/Book Cliffs, and Western Uinta Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Winter driving conditions can be expected on all mountain routes with significant impacts to conditions on Soldier Summit. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ UTZ109-WYZ021-070000- /O.CON.KSLC.WW.Y.0027.000000T0000Z-251207T0000Z/ Bear Lake and Bear River Valley-Southwest Wyoming- Including the following locations - Woodruff, Lyman, Randolph, Garden City, and Evanston 614 AM MST Sat Dec 6 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Snow. Total snow accumulations of 2 to 5 inches. Winds gusting as high as 55 mph mainly Uinta County, Wyoming. * WHERE...In Utah, Bear Lake and Bear River Valley. In Wyoming, Southwest Wyoming. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Winter driving conditions are expected. Blowing and drifting snow will reduce visibility, including along I-80 in Uinta County, WY. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Utah, for winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. In Wyoming, for winter road conditions from the Wyoming Department of Transportation, visit http://www.wyoroad.info or dial 511. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov MT Action: Cancelled Issued At: 2025-12-06 11:59:49 404 WWUS45 KSLC 061759 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 1059 AM MST Sat Dec 6 2025 UTZ108-110>112-061900- /O.CAN.KSLC.WS.W.0007.000000T0000Z-251207T1200Z/ Wasatch Back-Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-Western Uinta Mountains- Including the following locations - Huntsville, Park City, Alta, Moon Lake, Mantua, Logan Summit, Mirror Lake Highway, Brighton, and Heber City 1059 AM MST Sat Dec 6 2025 ...WINTER STORM WARNING IS CANCELLED... The threat has ended, additional snow accumulations will be minimal and are not expected to pose a signficiant impact. $$ UTZ109-WYZ021-061900- /O.CAN.KSLC.WW.Y.0027.000000T0000Z-251207T0000Z/ Bear Lake and Bear River Valley-Southwest Wyoming- Including the following locations - Evanston, Randolph, Woodruff, Lyman, and Garden City 1059 AM MST Sat Dec 6 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... The threat has ended, additional snow accumulations will be minimal and are not expected to pose a signficiant impact. $$ UTZ113-117-070000- /O.EXT.KSLC.WS.W.0007.000000T0000Z-251207T0000Z/ Wasatch Plateau/Book Cliffs-Central Mountains- Including the following locations - Scofield, Cove Fort, Fish Lake, Joes Valley, and Indian Canyon 1059 AM MST Sat Dec 6 2025 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Heavy snow. Additional snow accumulations 1 to 3 inches, primarily in locations that do well in northwesterly flow. * WHERE...Central Mountains and Wasatch Plateau/Book Cliffs. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Winter driving conditions are expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. 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