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WWUS45 KRIW 041936

WSWRIW



URGENT - WINTER WEATHER MESSAGE

National Weather Service Riverton WY

136 PM MDT Sat May 4 2024



WYZ008-009-051300-

/O.EXB.KRIW.WS.A.0012.240506T1200Z-240507T1800Z/

Bighorn Mountains West-Bighorn Mountains Southeast-

136 PM MDT Sat May 4 2024



...WINTER STORM WATCH IN EFFECT FROM MONDAY MORNING THROUGH

TUESDAY MORNING...



* WHAT...Heavy snow possible. Total snow accumulations 7 to 15 

  inches possible. Winds could gust as high as 65 mph.



* WHERE...Bighorn Mountains West and Bighorn Mountains Southeast.



* WHEN...From Monday morning through Tuesday morning.



* IMPACTS...Travel could be very difficult, such as over Powder 

  River and Granite Passes.



* ADDITIONAL DETAILS...There is a fair bit of uncertainty with

  storm track into Tuesday and beyond, which could effect snow

  totals. Snow could continue through Tuesday and beyond.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Monitor the latest forecasts for updates on this situation. 



&&



$$



WYZ001-012-051300-

/O.CON.KRIW.WS.A.0012.240506T0000Z-240508T1200Z/

Yellowstone National Park-Teton and Gros Ventre Mountains-

Including the cities of Lake, Mammoth, and Old Faithful

136 PM MDT Sat May 4 2024



...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING

THROUGH LATE TUESDAY NIGHT...



* WHAT...Heavy snow possible. Total accumulations of 1 to 2 feet

  possible in the Tetons and southwestern Yellowstone Park. 5 to

  10 inches of snow is possible in northern Yellowstone. Winds 

  could gust as high as 45 mph.



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

  Mountains.



* WHEN...From Sunday evening through late Tuesday night.



* IMPACTS...Travel could be very difficult.



* ADDITIONAL DETAILS...The highest winds occur Monday and Tuesday

  afternoons. Heaviest snow occurs Monday morning into Monday

  night. Some uncertainty with storm track into Tuesday could 

  effect late storm snow totals. 



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Monitor the latest forecasts for updates on this situation.



&&



$$



For more information from the National Weather Service visit

https://weather.gov/riw