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

43°F

6°C

Humidity 47%
Wind Speed E 6 mph
Barometer 30.26 in (1026.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 2 Mar 2:56 pm CST
Extended Forecast for

Savanna IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 43. Southeast wind around 5 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain between 1am and 5am. Mostly cloudy, with a low around 33. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain between 9am and noon. Mostly cloudy, with a high near 46. Calm wind.

    High: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 31. Calm wind becoming east around 5 mph.

    Low: 31 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Cloudy, with a high near 56. Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

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

    High: 65 °F

    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 43. Southeast wind around 5 mph.
Tonight
A slight chance of rain between 1am and 5am. Mostly cloudy, with a low around 33. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of rain between 9am and noon. Mostly cloudy, with a high near 46. Calm wind.
Tuesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 31. Calm wind becoming east around 5 mph.
Wednesday
A 40 percent chance of rain. Mostly sunny, with a high near 53.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Thursday
Rain likely, mainly before noon. Cloudy, with a high near 56. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 41.
Friday
Rain. High near 65. Chance of precipitation is 90%.
Friday Night
Rain and possibly a thunderstorm. Low around 48. Chance of precipitation is 80%.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 61.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 60.
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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:
1:36 pm CST Mar 2, 2026
Forecast Valid:
3pm 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