Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

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Last Map Update: Sat, Dec 27, 2025 at 7:52:28 am MST

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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Winter Storm Warning

Extreme Cold Warning

Winter Weather Advisory

Cold Weather Advisory

Dense Fog Advisory

Wind Advisory

Special Weather Statement

Hazardous Weather Outlook

Cold Weather Advisory

A Cold Weather Advisory is in effect from 11 am today through 11 am Sunday. A cold front this morning will bring much colder temperatures to northeast Montana with temperatures falling into the single digits and teens this afternoon. Northwest winds 25 to 35 mph will develop this morning and continue this afternoon and tonight. Wind chills tonight and Sunday morning will be as cold as -40 near the Canadian Border. The cold weather will continue through Sunday night. Frostbite can develop on exposed flesh in less than 30 minutes with these wind chills.

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Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

NWS Forecast Office Glasgow, MT