Active Weather Alerts
Winter Weather Advisory
Issued: 10:04 AM Dec. 21, 2025 – National Weather Service
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY... * WHAT...Rain and snow showers expected with areas of freezing rain or drizzle possible. Total snow accumulations up to one inch and ice accumulations around a light glaze. Winds gusting as high as 30 mph. * WHERE...Portions of central and south central Montana. * WHEN...From 2 PM this afternoon to 5 AM MST Monday. * IMPACTS...Roads, and especially bridges and overpasses, could become slick and hazardous. * ADDITIONAL DETAILS...Motorists along I-90 around the Big Timber area, and along US-191 from Big Timber to Harlowton, should be alert for sudden changes in driving conditions and slick roads late today through the evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. &&
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