WWUS45 KRIW 241942

WSWRIW



URGENT - WINTER WEATHER MESSAGE

National Weather Service Riverton WY

142 PM MDT Fri Oct 24 2025



WYZ001-012-251300-

/O.NEW.KRIW.WS.A.0008.251026T0500Z-251028T0000Z/

Yellowstone National Park-Teton and Gros Ventre Mountains-

Including the cities of Lake, Old Faithful, and Mammoth

142 PM MDT Fri Oct 24 2025



...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY 

AFTERNOON...



* WHAT...Moderate to heavy snow possible. Total snow accumulations 

  between 8 and 14 inches possible. Winds could gust as high as 40 

  mph.



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

  Park.



* WHEN...From Saturday evening through Monday afternoon.



* IMPACTS...Travel could become difficult, especially across Teton 

  Pass and Togwotee Pass. The hazardous conditions could impact the 

  Monday morning and evening commutes.



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/ .



Gerhardt