|
Home Return to list Winter Storm Watch 0006 Issued by the Salt Lake City Forecast Office
Action: New Issued At: 2025-12-03 14:02:51 871 WWUS45 KSLC 032002 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 102 PM MST Wed Dec 3 2025 UTZ108-041230- /O.NEW.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ Wasatch Back- Including the following locations - Heber City, Huntsville, and Park City 102 PM MST Wed Dec 3 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches across the Ogden Valley and Park City, and between 2 and 6 inches for the lower elevation portions of the Wasatch Back. * WHERE...Wasatch Back. * WHEN...From late Thursday night through late Saturday night. * IMPACTS...Travel could be very difficult at times. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...The lowest snow levels will occur Friday morning around 4000 feet and gradually rise to 6000 feet by Saturday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ UTZ110>112-041230- /O.NEW.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Western Uinta Mountains- Including the following locations - Mirror Lake Highway, Brighton, Alta, Moon Lake, Mantua, and Logan Summit 102 PM MST Wed Dec 3 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 1 to 2 feet, locally up to 30 inches, for the Bear River Range, Ogden area mountains, and upper Cottonwoods. Total snow accumulations of 8 to 18 inches for the western Uintas. * WHERE...The Wasatch Mountains, and Western Uinta Mountains. * WHEN...From late Thursday night through late Saturday night. * IMPACTS...Travel could be very difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov HM Action: New Issued At: 2025-12-03 14:02:51 871 WWUS45 KSLC 032002 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 102 PM MST Wed Dec 3 2025 UTZ108-041230- /O.NEW.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ Wasatch Back- Including the following locations - Heber City, Huntsville, and Park City 102 PM MST Wed Dec 3 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches across the Ogden Valley and Park City, and between 2 and 6 inches for the lower elevation portions of the Wasatch Back. * WHERE...Wasatch Back. * WHEN...From late Thursday night through late Saturday night. * IMPACTS...Travel could be very difficult at times. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...The lowest snow levels will occur Friday morning around 4000 feet and gradually rise to 6000 feet by Saturday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ UTZ110>112-041230- /O.NEW.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Western Uinta Mountains- Including the following locations - Mirror Lake Highway, Brighton, Alta, Moon Lake, Mantua, and Logan Summit 102 PM MST Wed Dec 3 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 1 to 2 feet, locally up to 30 inches, for the Bear River Range, Ogden area mountains, and upper Cottonwoods. Total snow accumulations of 8 to 18 inches for the western Uintas. * WHERE...The Wasatch Mountains, and Western Uinta Mountains. * WHEN...From late Thursday night through late Saturday night. * IMPACTS...Travel could be very difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov HM Action: Continued Issued At: 2025-12-04 06:13:54 916 WWUS45 KSLC 041213 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 513 AM MST Thu Dec 4 2025 UTZ108-050315- /O.CON.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ Wasatch Back- Including the following locations - Huntsville, Heber City, and Park City 513 AM MST Thu Dec 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches across the Ogden Valley and Park City, and between 2 and 6 inches for the lower elevation portions of the Wasatch Back. * WHERE...Wasatch Back. * WHEN...From late tonight through late Saturday night. * IMPACTS...Travel could be difficult at times. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...The lowest snow levels will occur Friday morning around 4000 feet and gradually rise to 6000 feet by Saturday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ UTZ110>112-050315- /O.CON.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Western Uinta Mountains- Including the following locations - Mirror Lake Highway, Mantua, Alta, Moon Lake, Logan Summit, and Brighton 513 AM MST Thu Dec 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 1 to 2 feet, locally up to 30 inches, for the Bear River Range, Ogden area mountains, and upper Cottonwoods. Total snow accumulations of 8 to 18 inches for the western Uintas. * WHERE...The Wasatch Mountains, and Western Uinta Mountains. * WHEN...From late tonight through late Saturday night. * IMPACTS...Travel could be difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ 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: 2025-12-04 06:13:54 916 WWUS45 KSLC 041213 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 513 AM MST Thu Dec 4 2025 UTZ108-050315- /O.CON.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ Wasatch Back- Including the following locations - Huntsville, Heber City, and Park City 513 AM MST Thu Dec 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches across the Ogden Valley and Park City, and between 2 and 6 inches for the lower elevation portions of the Wasatch Back. * WHERE...Wasatch Back. * WHEN...From late tonight through late Saturday night. * IMPACTS...Travel could be difficult at times. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...The lowest snow levels will occur Friday morning around 4000 feet and gradually rise to 6000 feet by Saturday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ UTZ110>112-050315- /O.CON.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Western Uinta Mountains- Including the following locations - Mirror Lake Highway, Mantua, Alta, Moon Lake, Logan Summit, and Brighton 513 AM MST Thu Dec 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 1 to 2 feet, locally up to 30 inches, for the Bear River Range, Ogden area mountains, and upper Cottonwoods. Total snow accumulations of 8 to 18 inches for the western Uintas. * WHERE...The Wasatch Mountains, and Western Uinta Mountains. * WHEN...From late tonight through late Saturday night. * IMPACTS...Travel could be difficult at times. Traction law restrictions may be enacted. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ 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: Upgraded 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: Upgraded 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: Upgraded 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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||