Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

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Last Map Update: Thu, Dec 4, 2025 at 2:20:09 pm MST

Watches, Warnings & Advisories

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National Weather Service Great Falls, MT

Winter Storm Warning

Winter Weather Advisory

Wind Advisory

Winter Storm Watch

Hazardous Weather Outlook

Winter Storm Watch Thursday PM - Saturday PM

Valley Wintery Mix/Black Ice & Mountain Snow

⚠️ WINTER STORM WATCH issued for Missoula, MT Area! ⚠️ A Winter Storm Watch is in effect from Thursday afternoon through Saturday afternoon for the Bitterroot, Sapphire, and Clearwater Mountains and for Glacier Park and Seeley Lake regions. Snowfall Forecast by Elevation: Valleys Below 4,000': 1–4 inches 4,000’ – 5,500’: 8–16 inches 6,000’+: 24–36 inches Impacts: Confidence increasing for periods of very difficult travel over area mountain passes, including Marias, Lookout, Lolo, and Lost Trail Passes.

⚠️Winter Weather Hazards Thursday-Saturday December 4-6 ⚠️ A series of pacific systems will bring: ❄️ Valley Wintery Mix & Black Ice: Rain/snow mix and dangerous BLACK ICE is possible, especially during the overnight and early morning periods! 🏔️ Heavy Mountain Snow: Difficult travel, low visibility, and heavy snowfall rates on mountain passes. Action: check road conditions and use caution while driving!

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Tracking Areas of Winter Weather and Heavy Rainfall

NWS Forecast Office Missoula, MT