Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1252 AM MDT Mon Mar 31 2025
WYZ001-012-014-024-312200-
/O.NEW.KRIW.WW.Y.0020.250331T1200Z-250402T0000Z/
Yellowstone National Park-Teton and Gros Ventre Mountains-Wind
River Mountains West-Salt River and Wyoming Ranges-
Including the cities of Mammoth, Lake, and Old Faithful
1252 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM
MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations between 4 and 8
inches in mountain valleys, and 8 to 12 inches for mountains and
passes, with localized higher totals on the highest peaks. Winds
gusting as high as 30 to 40 mph.
* WHERE...Wind River Mountains West, Teton and Gros Ventre
Mountains, Yellowstone National Park, and Salt River and Wyoming
Ranges.
* WHEN...From 6 AM this morning to 6 PM MDT Tuesday.
* IMPACTS...Expect winter travel conditions over mountain passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Lowe
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
344 AM MDT Mon Mar 31 2025
COZ033-034-312100-
/O.NEW.KBOU.WW.Y.0021.250401T0300Z-250402T1200Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-South and
Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear
Creek/Summit/North and West Park Counties Above 9000 Feet-
Including the cities of Indian Peaks, Willow Creek Pass, Cameron
Pass, Williams Fork Mountains, Mount Blue Sky, Winter Park, East
Slopes Southern Gore Range, Berthoud Pass, Breckenridge, Kenosha
Mountains, East Slopes Mosquito Range, Rabbit Ears Range, Rocky
Mountain National Park, Eisenhower Tunnel, and Laramie and
Medicine Bow Mountains
344 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
MDT WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 4 and 10
inches. Winds gusting as high as 60 mph.
* WHERE...Rocky Mountain National Park and the Medicine Bow Range,
and The Mountains of Summit County, the Mosquito Range, and the
Indian Peaks.
* WHEN...From 9 PM this evening to 6 AM MDT Wednesday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
will impact the Tuesday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for Colorado can be obtained by calling 5 1 1 or by going
to www.cotrip.org.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
Gimmestad
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
344 AM MDT Mon Mar 31 2025
COZ031-312100-
/O.UPG.KBOU.WS.A.0004.250401T0300Z-250402T1200Z/
/O.NEW.KBOU.WW.Y.0021.250401T0300Z-250402T1200Z/
West Jackson and West Grand Counties Above 9000 Feet-
Including the cities of Mt Zirkel
344 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
MDT WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 6 and 12
inches. Winds gusting as high as 50 mph.
* WHERE...Rabbit Ears Pass.
* WHEN...From 9 PM this evening to 6 AM MDT Wednesday.
* IMPACTS...Travel could be very difficult to impossible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for Colorado can be obtained by calling 5 1 1 or by going
to www.cotrip.org.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
337 AM MDT Mon Mar 31 2025
COZ004-312300-
/O.UPG.KGJT.WS.A.0005.250401T0300Z-250402T1200Z/
/O.NEW.KGJT.WW.Y.0015.250401T0300Z-250402T1200Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
337 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
MDT WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 6 and 14
inches with locally higher amounts possible above timberline.
Winds gusting as high as 40 mph.
* WHERE...Elkhead and Park Mountains.
* WHEN...From 9 PM this evening to 6 AM MDT Wednesday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Tuesday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
321 AM MDT Mon Mar 31 2025
WYZ112-114-010000-
/O.NEW.KCYS.WW.Y.0026.250401T0300Z-250402T0000Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
321 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM
MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations between 5 and 10
inches. Winds gusting as high as 45 mph.
* WHERE...Sierra Madre Range and Snowy Range.
* WHEN...From 9 PM this evening to 6 PM MDT Tuesday.
* IMPACTS...Outdoor recreation could become dangerous to those
caught unprepared for hazardous winter conditions. Hunters,
hikers, and snowmobilers may become disoriented and lost due to
low visibility in falling and blowing snow. Travel could be very
difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
Fuller
URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
303 AM MDT Mon Mar 31 2025
UTZ110>113-117-010015-
/O.CON.KSLC.WW.Y.0016.250401T0000Z-250403T0000Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-Wasatch Plateau/Book Cliffs-Central
Mountains-
Including the following locations - Mantua, Joes Valley, Moon
Lake, Brighton, Cove Fort, Logan Summit, Indian Canyon, Fish
Lake, Scofield, Mirror Lake Highway, and Alta
303 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 6 and 12
inches, locally higher amounts up to 20 inches in the Upper
Cottonwoods and Ogden area mountains.
* WHERE...The Wasatch Mountains, Western Uinta Mountains, Wasatch
Plateau/Book Cliffs, and Central Mountains.
* WHEN...From 6 PM this evening to 6 PM MDT Wednesday.
* IMPACTS...Winter driving conditions can be expected on most
mountain routes, especially Big and Little Cottonwood Canyons,
Daniels Summit, SR-31 Summit and Soldier Summit. Traction law
restrictions may be enacted.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For winter road
conditions from the Utah Department of Transportation, visit
http://www.udottraffic.utah.gov.
For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
303 AM MDT Mon Mar 31 2025
UTZ108-010015-
/O.CAN.KSLC.WW.Y.0016.250402T0000Z-250403T0000Z/
/O.NEW.KSLC.WW.Y.0017.250401T0000Z-250402T0000Z/
Wasatch Back-
Including the following locations - Huntsville, Park City, and
Heber City
303 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 to 5
inches, locally up to 7 inches Park City area.
* WHERE...Wasatch Back.
* WHEN...From 6 PM this evening to 6 PM MDT Tuesday.
* IMPACTS...Winter driving conditions are expected. The hazardous
conditions could impact the Monday evening and Tuesday morning
commutes.
* ADDITIONAL DETAILS...A strong cold front will gradually lower snow
levels from around 7000 feet near 6 PM to 5500 feet around 8 PM to
below 5000 feet after 10 PM.
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
303 AM MDT Mon Mar 31 2025
WYZ021-010015-
/O.EXB.KSLC.WW.Y.0016.250401T0000Z-250402T0000Z/
Southwest Wyoming-
Including the following locations - Evanston and Lyman
303 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MDT TUESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 to 5
inches, locally up to 10 inches southern Uinta County.
* WHERE...Southwest Wyoming.
* WHEN...From 6 PM this evening to 6 PM MDT Tuesday.
* IMPACTS...Winter driving conditions are expected.
* ADDITIONAL DETAILS...A strong cold front will gradually lower snow
levels from around 7000 feet near 6 PM to 5500 feet around 8 PM to
below 5000 feet after 10 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For winter road
conditions from the Wyoming Department of Transportation, visit
http://www.wyoroad.info or dial 511.
For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
242 AM MDT Mon Mar 31 2025
IDZ060-063-064-066-067-010000-
/O.CON.KPIH.WW.Y.0016.000000T0000Z-250402T0000Z/
Bear River Range-Caribou Range-Big Hole Mountains-Centennial
Mountains - Island Park-Beaverhead - Lemhi Highlands-
Including the cities of Edie School, Swan Valley, Victor, Island
Park, Wayan, Kilgore, Emigration Summit, Spencer, Small, and
Dubois
242 AM MDT Mon Mar 31 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
TUESDAY...
* WHAT...Snow. Total snow accumulations of 3 to 6 inches below 7000
feet and 6 to 12 inches above 7000 feet.
* WHERE...Beaverhead - Lemhi Highlands, Big Hole Mountains,
Centennial Mountains - Island Park, Bear River Range, and Caribou
Range.
* WHEN...Until 6 PM MDT Tuesday.
* IMPACTS...Travel could be difficult at times, especially over
mountain passes. The hazardous conditions could impact the Monday
morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 or visit
511.idaho.gov for the latest road conditions.
&&
$$
