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

35°F

2°C

Humidity 37%
Wind Speed SE 5 mph
Barometer 30.45 in (1032.3 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 1 Mar 2:56 pm CST
Extended Forecast for

Savanna IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 37. East wind around 5 mph.

    High: 37 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 21. East wind around 5 mph.

    Low: 21 °F

    Gradual
    Clearing

  • Monday

    Monday: Mostly sunny, with a high near 46. South wind around 5 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 33. Southeast wind around 5 mph becoming calm.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, with thunderstorms also possible after noon. Partly sunny, with a high near 53. Chance of precipitation is 50%.

    High: 53 °F

    Chance Rain
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 37. East wind around 5 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 21. East wind around 5 mph.
Monday
Mostly sunny, with a high near 46. South wind around 5 mph.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 33. Southeast wind around 5 mph becoming calm.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain, with thunderstorms also possible after noon. Partly sunny, with a high near 53. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 39.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 42.
Friday
Rain. High near 67. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
Last Update:
12:26 pm CST Mar 1, 2026
Forecast Valid:
3pm CST Mar 1, 2026-6pm CST Mar 7, 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