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

63°F

17°C

Humidity 73%
Wind Speed SE 13 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Oct 11:56 pm CDT
Extended Forecast for

Thomson IL

  • Overnight

    Overnight: Partly cloudy, with a low around 58. Southeast wind around 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 61. South wind around 10 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers. Partly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. Southeast wind around 10 mph.
Friday
Partly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 61. South wind around 10 mph. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Sunny, with a high near 62.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 70.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
Last Update:
7:41 pm CDT Oct 16, 2025
Forecast Valid:
12am CDT Oct 17, 2025-6pm CDT Oct 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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