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: Sun, Dec 28, 2025 at 4:18:14 am MST

Watches, Warnings & Advisories

National Weather Service Grand Junction, CO

National Weather Service NWS Flagstaff, AZ

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National Weather Service NWS Tucson Arizona

Winter Weather Advisory

Winter Storm Watch

Hazardous Weather Outlook

Winter Storm Watch

Snowfall Monday

Much Colder

Temp Outlook

A Winter Storm Watch has been issued for southwest Chaves County, southern Sacramento Mountains, and Guadalupe Mountains from 11 PM tonight through 11 PM Monday night. Confidence is increasing in significant snowfall accumulations across these areas. Overall forecast confidence in snow amounts remains low to at most moderate at this time, so individuals planning on travelling across southeast NM on Monday should stay tuned to the latest forecast.

Increasing confidence in light to moderate snowfall accumulations across south central and southwest Chaves County and southern Lincoln County on Monday. Forecast confidence for this snow is low to moderate, so people planning on traveling across this area on Monday should stay tuned to the latest forecasts.

A potent cold front will blast through NM today resulting in the the coldest temperatures since December 5th. Wind chills will be even colder. This cold air will be a big shock after the recent record warmth these past 2 to 3 weeks. These readings are only about 5 degrees below normal.

Temperatures will become much colder today behind a strong cold front. Colder weather will last until Tuesday morning before another warming trend occurs as we end 2025 and begin 2026.