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WWUS45 KRIW 170829

WSWRIW



URGENT - WINTER WEATHER MESSAGE

National Weather Service Riverton WY

229 AM MDT Wed Apr 17 2024



WYZ008-009-172300-

/O.CON.KRIW.WS.W.0012.000000T0000Z-240418T1200Z/

Bighorn Mountains West-Bighorn Mountains Southeast-

229 AM MDT Wed Apr 17 2024



...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT

THURSDAY...



* WHAT...Snow expected. Total snow accumulations of 1 to 2 feet, 

  with the higher amounts occurring on the northern half of the 

  range.



* WHERE...Bighorn Mountains.



* WHEN...Until 6 AM MDT Thursday. Steadiest snow will fall now and 

  through the day Wednesday.



* IMPACTS...Travel could be very difficult across Powder River 

  and Granite Passes.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



If you must travel, keep an extra flashlight, food, and water in

your vehicle in case of an emergency. 



For graphical depictions of the snowfall forecast, including the

official NWS forecast, high end amounts, and low end amounts,

visit weather.gov/riw/winter. 



For winter road conditions from the Wyoming Department of

Transportation, visit https://wyoroad.info. 



&&



$$



WYZ001-002-012-172300-

/O.CON.KRIW.WW.Y.0022.000000T0000Z-240418T1200Z/

Yellowstone National Park-Absaroka Mountains-

Teton and Gros Ventre Mountains-

Including the cities of Lake, Mammoth, and Old Faithful

229 AM MDT Wed Apr 17 2024



...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT

THURSDAY...



* WHAT...Snow expected. Total snow accumulations of 6 to 8 inches;

  additional accumulations of 8 to 12 inches and up to 16 inches

  across eastern peaks of the Absarokas. Winds gusting as high as

  35 mph.



* WHERE...Yellowstone National Park, Teton and Gros Ventre 

  Mountains, and the Absaroka Mountains.



* WHEN...Until 6 AM MDT Thursday.



* IMPACTS...Travel could be very difficult over Teton and 

  Togwotee Passes.



* ADDITIONAL DETAILS...The heaviest snowfall over northern

  portions for the Absaroka Mountains, including Beartooth Pass,

  will occur between midnight and 6 AM Wednesday morning.



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 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