Active Weather Alerts
Winter Weather Advisory
Issued: 8:48 PM Dec. 18, 2025 – National Weather Service
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MST FRIDAY NIGHT... * WHAT...Periods of snow expected. Total snow accumulations between 3 and 6 inches with up to 10 inches above 7000 ft. Winds gusting as high as 50 mph over ridgetops. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to midnight MST Friday Night. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period. &&
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