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

14°F

-10°C

Humidity 71%
Wind Speed NW 15 mph
Barometer 30.50 in (1034.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 22 Feb 10:56 pm CST
Extended Forecast for

Savanna IL

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 14. Wind chill values as low as -5. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values as low as -5. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Calm wind becoming south around 5 mph after midnight.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 43 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Likely

  • Thursday

    Thursday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 14. Wind chill values as low as -5. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 28. Wind chill values as low as -5. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 15. Calm wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 43. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Mostly sunny, with a high near 35.
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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:
8:32 pm CST Feb 22, 2026
Forecast Valid:
11pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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