Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

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Last Map Update: Mon, Dec 1, 2025 at 11:02:45 am MST

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National Weather Service Great Falls, MT

Winter Weather Advisory

Hazardous Weather Outlook

Winter Travel Returns

Winter Travel Conditions Return Late Monday into Tuesday ❄️🚗 The Situation: Snow and ice are expected to impact travel across Western Montana and North-central Idaho. This system will arrive in waves, starting in Northwest Montana on Monday and spreading south Monday night into Tuesday. 📍 Where & How Much: North of I-90 (Kalispell, Libby, Marias Pass): Valley snow accumulations of 3-6 inches are possible. I-90 Corridor & South (Missoula, Hamilton, Butte, Grangeville, Orofino): Valleys will generally see 1-3 inches. Higher amounts in the mountains, especially the Swan and Mission Ranges in northwest Montana. ⚠️ Impacts: Slick roads are the primary concern. The Monday night and Tuesday morning commutes could be slippery, particularly over mountain passes like Lookout, Lolo, Marias and in the valleys of northwest Montana. Please allow extra time for travel and check road conditions before heading out!

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Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

NWS Forecast Office Missoula, MT