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

73°F

23°C

Humidity 94%
Wind Speed NA
Barometer 30.10 in (1019.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 16 Aug 7:56 am CDT
Extended Forecast for

4 Miles WNW Chadwick IL

Heat Advisory August 16, 12:00pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers and thunderstorms before noon, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 92 °F

    Isolated
    T-storms then
    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 71. South wind around 5 mph becoming east after midnight.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 89. Heat index values as high as 102. Southeast wind around 5 mph.

    High: 89 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 71. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms before noon, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 40%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 71. South wind around 5 mph becoming east after midnight.
Sunday
Partly sunny, with a high near 89. Heat index values as high as 102. Southeast wind around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 71. East wind around 5 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Chadwick IL
 42.04°N 89.95°W (Elev. 738 ft)
Last Update:
8:15 am CDT Aug 16, 2025
Forecast Valid:
8am CDT Aug 16, 2025-6pm CDT Aug 22, 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