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

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

31°F

-1°C

Humidity 54%
Wind Speed W 7 mph
Barometer 30.40 in (1030.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 4 Feb 1:56 pm CST
Extended Forecast for

Thomson IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 27. Northwest wind around 5 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 5am. Increasing clouds, with a low around 16. Calm wind becoming southwest around 5 mph after midnight.

    Low: 16 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 38. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 38 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow and freezing rain between midnight and 3am, then a slight chance of snow after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 27. West wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Friday

    Friday: Mostly cloudy, with a high near 40. Breezy.

    High: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 27. Northwest wind around 5 mph.
Tonight
A 20 percent chance of snow after 5am. Increasing clouds, with a low around 16. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 38. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of snow and freezing rain between midnight and 3am, then a slight chance of snow after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 27. West wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 40. Breezy.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly clear, with a low around 27.
Monday
Partly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
Last Update:
1:41 pm CST Feb 4, 2026
Forecast Valid:
2pm CST Feb 4, 2026-6pm CST Feb 10, 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