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

52°F

11°C

Humidity 69%
Wind Speed S 15 mph
Barometer 29.95 in (1014.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 21 Apr 4:56 am CDT
Extended Forecast for

Fulton IL

  • Today

    Today: A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 78. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Northeast wind around 5 mph becoming south in the morning.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 78. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 52. West wind around 5 mph.
Wednesday
Sunny, with a high near 78. Northeast wind around 5 mph becoming south in the morning.
Wednesday Night
Mostly clear, with a low around 58. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 58. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
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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:
2:51 am CDT Apr 21, 2026
Forecast Valid:
5am CDT Apr 21, 2026-6pm CDT Apr 27, 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