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Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Overcast

40°F

4°C

Humidity 97%
Wind Speed E 12 mph
Barometer 29.30 in (992.9 mb)
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Wind Chill33°F (1°C)
Last update 19 Feb 11:56 pm CST
Extended Forecast for

Savanna IL

Wind Advisory February 20, 06:00am until February 20, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Rain before 3am, then rain and snow between 3am and 5am, then snow after 5am. Low around 29. Breezy, with a northeast wind 10 to 15 mph becoming west 15 to 20 mph. Winds could gust as high as 35 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Snow, mainly before 9am. Temperature falling to around 29 by 5pm. Breezy, with a west wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 33 °F⇓

    Breezy. Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 33. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain before 3am, then rain and snow between 3am and 5am, then snow after 5am. Low around 29. Breezy, with a northeast wind 10 to 15 mph becoming west 15 to 20 mph. Winds could gust as high as 35 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow, mainly before 9am. Temperature falling to around 29 by 5pm. Breezy, with a west wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Partly cloudy, with a low around 20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 33. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly clear, with a low around 21.
Thursday
Mostly sunny, with a high near 46.
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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:
11:32 pm CST Feb 19, 2026
Forecast Valid:
12am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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