National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

A Few Clouds

26°F

-3°C

Humidity 63%
Wind Speed SE 17 mph
Barometer 30.23 in (1025.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 8 Feb 2:56 am CST
Extended Forecast for

Thomson IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Southeast wind 5 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. South wind 5 to 10 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 24. Southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 45. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 41.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 26.
Saturday
A chance of rain and snow. Mostly sunny, with a high near 41. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
Last Update:
3:17 am CST Feb 8, 2026
Forecast Valid:
3am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation