Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1243 PM MDT Sat Oct 4 2025
WYZ008-009-051300-
/O.CON.KRIW.WW.Y.0026.251005T0000Z-251006T0000Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
1243 PM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT SUNDAY...
* WHAT...Heavy snow possible. Total snow accumulations of 6 to 12
inches above 9000 feet with localized amounts around 15 inches in
the highest peaks. Elevations between 7000 and 9000 feet can see
total snow accumulations of a trace to 6 inches.
* WHERE...Bighorn Mountains Southeast and Bighorn Mountains West.
* WHEN...From 6 PM this evening to 6 PM MDT Sunday.
* IMPACTS...Travel could be difficult at times especially along US
14 over Granite Pass and US 16 over Powder River Pass.
* ADDITIONAL DETAILS...Periods of moderate to heavy snow are
possible Saturday night and Sunday afternoon.
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.
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For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Wittmann