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

73°F

23°C

Humidity 37%
Wind Speed SW 10 mph
Barometer 29.66 in (1004.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 9 Mar 3:56 pm CDT
Extended Forecast for

Fulton IL

  • Tonight

    Tonight: Mostly clear, with a low around 46. Southwest wind around 5 mph becoming northeast in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 60. East wind 5 to 15 mph.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 37. East wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 90%.

    Low: 37 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 45. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Southwest wind around 5 mph becoming northeast in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 60. East wind 5 to 15 mph.
Tuesday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 37. East wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 90%.
Wednesday
A 50 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 45. Northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. Breezy.
Friday
Partly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 50.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 18. Blustery.
Monday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fulton IL
 41.88°N 90.17°W (Elev. 574 ft)
Last Update:
1:26 pm CDT Mar 9, 2026
Forecast Valid:
5pm CDT Mar 9, 2026-6pm CDT Mar 16, 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