Active Weather Alerts
High Wind Watch
Issued: 10:11 AM Dec. 15, 2025 – National Weather Service
...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...The Interstate 90 Corridor between Bozeman and Whitehall, Gates of the Mountains, Helena Valley, Big Belt, Bridger and Castle Mountains, Meagher County Valleys, Elkhorn and Boulder Mountains, Canyon Ferry Area, and Madison River Valley. * WHEN...From Tuesday evening through Wednesday evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. Remember, a High Wind Watch means that there is at least a 50% chance of 40 mph sustained winds or 58 mph wind gusts occurring during the watch period. &&
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