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.

Overcast

32°F

0°C

Humidity 59%
Wind Speed E 12 mph
Barometer 30.39 in (1030.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 2 Mar 8:56 am CST
Extended Forecast for

Savanna IL

  • Today

    Today: Mostly sunny, with a high near 43. Southeast wind 5 to 10 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 32. East wind around 5 mph.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. Calm wind becoming east around 5 mph.

    High: 45 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after midnight. Partly cloudy, with a low around 33. Northeast wind around 5 mph.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain. Cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 43. Southeast wind 5 to 10 mph.
Tonight
A 50 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 32. East wind around 5 mph.
Tuesday
A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. Calm wind becoming east around 5 mph.
Tuesday Night
A 30 percent chance of rain, mainly after midnight. Partly cloudy, with a low around 33. Northeast wind around 5 mph.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 51.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 55.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 39.
Friday
Rain. High near 65. Chance of precipitation is 90%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
Last Update:
8:12 am CST Mar 2, 2026
Forecast Valid:
9am CST Mar 2, 2026-6pm CDT Mar 8, 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