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

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

47°F

8°C

Humidity 74%
Wind Speed SE 8 mph
Barometer 29.82 in (1010.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 7 Jan 3:56 pm CST
Extended Forecast for

Thomson IL

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 42. South wind around 10 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South wind around 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain, mainly after 11am. High near 52. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain, mainly before midnight. Low around 39. Southeast wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 39 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain and snow after midnight. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Snow likely, mainly before noon. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 42. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 37. South wind around 10 mph.
Thursday
Rain, mainly after 11am. High near 52. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain, mainly before midnight. Low around 39. Southeast wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Friday
Mostly cloudy, with a high near 44.
Friday Night
A chance of rain and snow after midnight. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Mostly clear, with a low around 19.
Monday
Mostly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 41.
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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:
3:16 pm CST Jan 7, 2026
Forecast Valid:
4pm CST Jan 7, 2026-6pm CST Jan 13, 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