Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Overcast

69°F

21°C

Humidity 81%
Wind Speed SE 7 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Jun 6:56 am CDT
Extended Forecast for

Savanna IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between noon and 1pm.  Partly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Partly cloudy, with a low around 67. South wind around 5 mph becoming calm.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 89. West wind around 5 mph.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms.  Low around 66. Northwest wind around 5 mph becoming calm.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 66 °F

    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms.  High near 83. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 83 °F

    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between noon and 1pm. Partly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 67. South wind around 5 mph becoming calm.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. West wind around 5 mph.
Tuesday Night
Showers and thunderstorms. Low around 66. Northwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers and thunderstorms. High near 83. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Partly cloudy, with a low around 62.
Juneteenth
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 74.
Sunday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
5:46 am CDT Jun 16, 2025
7am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
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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