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

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fog

45°F

7°C

Humidity 100%
Wind Speed E 8 mph
Barometer 29.73 in (1007.7 mb)
Dewpoint 45°F (7°C)
Visibility 0.50 mi
Wind Chill41°F (5°C)
Last update 27 Dec 9:56 pm CST
Extended Forecast for

4 Miles NW Thomson IL

Wind Advisory December 28, 02:00pm until December 29, 06:00pm
Dense Fog Advisory December 27, 10:09pm until December 28, 12:00pm
Click here for hazard details and duration
Wind Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory December 27, 10:09pm until December 28, 12:00pm

    NOW until 12:00pm Sun

    Dense Fog Advisory

  • Tonight

    Low: 47 °F

    Chance Rain
    and Areas
    Dense Fog

  • Sunday

    Sunday: Rain before 5pm, then snow likely.  Temperature rising to near 50 by noon, then falling to around 34 during the remainder of the day. Breezy, with a southeast wind 5 to 10 mph becoming northwest 15 to 25 mph. Winds could gust as high as 30 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 50 °F

    Rain then
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow.  Low around 15. Wind chill values as low as -5. Windy, with a west wind 30 to 35 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow and
    Windy

  • Monday

    Monday: A 20 percent chance of snow before noon.  Partly sunny, with a high near 20. Wind chill values as low as -5. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 40 mph.

    High: 20 °F

    Slight Chance
    Snow and
    Windy then
    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Blustery.

    Low: 10 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly after 3am. Areas of dense fog. Otherwise, cloudy, with a steady temperature around 47. Southeast wind around 5 mph.
Sunday
Rain before 5pm, then snow likely. Temperature rising to near 50 by noon, then falling to around 34 during the remainder of the day. Breezy, with a southeast wind 5 to 10 mph becoming northwest 15 to 25 mph. Winds could gust as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Snow. Low around 15. Wind chill values as low as -5. Windy, with a west wind 30 to 35 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
A 20 percent chance of snow before noon. Partly sunny, with a high near 20. Wind chill values as low as -5. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 40 mph.
Monday Night
Mostly clear, with a low around 10. Blustery.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 14.
New Year's Day
Mostly sunny, with a high near 20.
Thursday Night
Mostly clear, with a low around 11.
Friday
Mostly sunny, with a high near 25.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 34.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Thomson IL
 42.01°N 90.13°W (Elev. 591 ft)
9:06 pm CST Dec 27, 2025
10pm CST Dec 27, 2025-6pm CST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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