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

65°F

18°C

Humidity 43%
Wind Speed SW 13 G 20 mph
Barometer 29.70 in (1005.9 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 9 Mar 11:56 am CDT
Extended Forecast for

Fulton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. South wind around 10 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. South wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 67. East wind 5 to 10 mph becoming south in the morning.

    High: 67 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 36. Northeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Wednesday Night

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

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 50. Breezy.

    High: 50 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. South wind around 10 mph.
Tonight
Mostly clear, with a low around 47. South wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 67. East wind 5 to 10 mph becoming south in the morning.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 36. Northeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 46.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 50. Breezy.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Cloudy, with a high near 48.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 34.
Sunday
A chance of rain and snow. Cloudy, with a high near 50. Chance of precipitation is 50%.
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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:
8:06 am CDT Mar 9, 2026
Forecast Valid:
12pm CDT Mar 9, 2026-6pm CDT Mar 15, 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