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Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
312 AM MDT Mon Mar 17 2025

COZ004-009-010-012-013-172200-
/O.NEW.KGJT.WW.Y.0013.250318T1200Z-250319T1200Z/
Elkhead and Park Mountains-Grand and Battlement Mesas-Gore and
Elk Mountains/Central Mountain Valleys-West Elk and Sawatch
Mountains-Flat Tops-
Including the cities of Columbine, Hahns Peak, Toponas, Skyway,
Aspen, Vail, Snowmass, Crested Butte, Taylor Park, Marble, Buford,
and Trappers Lake
312 AM MDT Mon Mar 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TUESDAY TO 6 AM MDT
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 6 and 12
  inches. Winds gusting as high as 50 mph.

* WHERE...Elkhead and Park Mountains, Flat Tops, Gore and Elk
  Mountains/Central Mountain Valleys, Grand and Battlement Mesas,
  and West Elk and Sawatch Mountains.

* WHEN...From 6 AM Tuesday to 6 AM MDT Wednesday.

* IMPACTS...Travel could become difficult. The hazardous conditions
  could impact the Tuesday evening commute. Gusty winds could bring
  down tree branches.

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.

&&

$$

KAA
URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
259 AM MDT Mon Mar 17 2025

SDZ012-025-072-WYZ054>056-060-180000-
/O.NEW.KUNR.WW.Y.0011.250318T0600Z-250319T0600Z/
Butte-Northern Foothills-Sturgis/Piedmont Foothills-Northern
Campbell-Southern Campbell-Western Crook-Northeastern Crook-
Including the cities of Beulah, Pine Haven, Summerset, Devils
Tower, Hoover, Whitewood, Weston, Recluse, Fruitdale, Vale,
Tilford, Gillette, Rozet, Wright, Moorcroft, Spearfish, Hulett,
Saint Onge, Aladdin, Keyhole Reservoir, Sturgis, Colony,
Piedmont, Belle Fourche Reservoir, Black Hawk, Newell, and Belle
Fourche
259 AM MDT Mon Mar 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT MDT TUESDAY NIGHT...

* WHAT...Snow expected. Total snow accumulations between 4 and 6
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of northwestern South Dakota and northeast
  Wyoming.

* WHEN...From midnight tonight to midnight MDT Tuesday Night.

* IMPACTS...Travel could be very difficult. The hazardous conditions
  could impact the Tuesday morning and evening commutes.

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.

&&

$$

Wong
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
254 AM MDT Mon Mar 17 2025

WYZ005>007-011-016-172300-
/O.NEW.KRIW.WW.Y.0016.250318T0500Z-250319T0000Z/
Southwest Bighorn Basin-Southeast Bighorn Basin-Owl Creek and
Bridger Mountains-Southeast Johnson County-Upper Wind River Basin-
Including the cities of Worland, Kaycee, Dubois, Thermopolis, and
Ten Sleep
254 AM MDT Mon Mar 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 6 PM
MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 6
  inches, with Worland occurring on the lower end of this range; 6
  to 12 inches in the higher elevations. Winds gusting as high as 45
  mph.

* WHERE...Owl Creek and Bridger Mountains, Southwest Bighorn Basin,
  Upper Wind River Basin, Southeast Bighorn Basin, and Southeast
  Johnson County.

* WHEN...From 11 PM this evening to 6 PM MDT Tuesday.

* IMPACTS...Travel could be difficult, especially through the Wind
  River Canyon. The hazardous conditions could impact the Tuesday
  morning and evening commutes.

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 .

&&

$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
254 AM MDT Mon Mar 17 2025

WYZ017-020-172300-
/O.NEW.KRIW.WW.Y.0016.250318T0900Z-250319T0000Z/
Wind River Basin-Natrona County Lower Elevations-
Including the cities of Riverton, Casper, and Shoshoni
254 AM MDT Mon Mar 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 6 PM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 5
  inches; lower amounts near 2 inches expected in the Casper area.
  Winds gusting as high as 45 mph.

* WHERE...Natrona County Lower Elevations and Wind River Basin.

* WHEN...From 3 AM to 6 PM MDT Tuesday.

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

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 .

&&

$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
254 AM MDT Mon Mar 17 2025

WYZ019-022-172300-
/O.NEW.KRIW.WW.Y.0016.250318T0900Z-250319T0500Z/
Green Mountains and Rattlesnake Range-Casper Mountain-
Including the cities of Jeffrey City
254 AM MDT Mon Mar 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 11 PM MDT
TUESDAY...

* WHAT...Snow expected. Total snow accumulations between 6 and 12
  inches on Casper Mountain; amounts around 6 inches near Jeffrey
  City and up to 12 inches near Beaver Rim. Winds gusting as high as
  35 mph.

* WHERE...Casper Mountain and Green Mountains and Rattlesnake Range.

* WHEN...From 3 AM to 11 PM MDT Tuesday.

* IMPACTS...Travel could be difficult. The hazardous conditions
  could impact the Tuesday morning and evening commutes.

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 .

&&

$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
254 AM MDT Mon Mar 17 2025

WYZ028>030-172300-
/O.NEW.KRIW.WW.Y.0016.250318T1200Z-250319T1200Z/
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Wamsutter, Rock Springs, and Green River
254 AM MDT Mon Mar 17 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TUESDAY TO 6 AM MDT
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 6
  inches. Winds gusting as high as 45 mph.

* WHERE...East Sweetwater County, Flaming Gorge, and Rock Springs
  and Green River.

* WHEN...From 6 AM Tuesday to 6 AM MDT Wednesday.

* IMPACTS...Travel could be difficult. The hazardous conditions
  could impact the Tuesday morning and evening commutes along
  Interstate 80.

* ADDITIONAL DETAILS...Bursts of heavier snow are likely Tuesday
  afternoon over the eastern end of Sweetwater County, from Point of
  Rocks eastward.

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/ .

TL
U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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