Severe · Winter Storm WarningActive alert
Winter Storm Warning issued October 10 at 4:13PM MDT until October 12
Affecting Big Belt, Bridger and Castle Mountains
In effect until: Oct 11, 2026, 1:15 PM
Big Belt, Bridger and Castle Mountains
Likely impact in Big Belt, Bridger and Castle Mountains; effects through 1:15 PM.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Read the original bulletin (official text)
* WHAT...Heavy, wet snow expected. Total snow accumulations between 6 and 14 inches. Winds gusting as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™