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.

Thunderstorm in Vicinity Light Rain

76°F

24°C

Humidity 54%
Wind Speed SW 12 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 30 Mar 7:56 pm CDT
Extended Forecast for

Fulton IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 1am and 2am. Mostly cloudy, with a low around 60. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 60 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 37. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 46. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 46 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers, with thunderstorms also possible after 7pm. Low around 37. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 37 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 1pm. High near 65. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly between 1am and 2am. Mostly cloudy, with a low around 60. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 37. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 46. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers, with thunderstorms also possible after 7pm. Low around 37. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers, with thunderstorms also possible after 1pm. High near 65. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 41.
Friday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 66.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 30.
Monday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fulton IL
 41.88°N 90.17°W (Elev. 574 ft)
Last Update:
8:01 pm CDT Mar 30, 2026
Forecast Valid:
8pm CDT Mar 30, 2026-6pm CDT Apr 6, 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