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 >

Current conditions at

Clark (CSU81)

Lat: 40.7043°NLon: 106.934°WElev: 7221.0ft.

NA

31°F

-1°C

Humidity 99%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 27 Dec 01:10 PM MST
Extended Forecast for

13 Miles ESE Slater CO

Winter Storm Warning December 27, 01:25pm until December 28, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 27, 01:25pm until December 28, 05:00am

    NOW until 5:00am Sun

    Winter Storm Warning

  • This Afternoon

    High: 36 °F

    Snow Showers

  • Tonight

    Tonight: Snow showers.  Low around 8. West northwest wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 8 °F

    Snow Showers

  • Sunday

    Sunday: A 40 percent chance of snow showers, mainly before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 16. Wind chill values as low as -10. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 16 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. Southeast wind around 5 mph.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 27. Southeast wind around 5 mph becoming calm  in the afternoon.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Snow showers. Some thunder is also possible. High near 36. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow showers. Low around 8. West northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday
A 40 percent chance of snow showers, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 16. Wind chill values as low as -10. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 5. Southeast wind around 5 mph.
Monday
Sunny, with a high near 27. Southeast wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 21.
New Year's Day
Partly sunny, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A chance of snow showers. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Slater CO
 40.92°N 107.14°W (Elev. 8110 ft)
1:16 pm MST Dec 27, 2025
1pm MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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Additional Resources

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