Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

67°F

19°C

Humidity 93%
Wind Speed N 7 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 18 Jun 8:56 pm CDT
Extended Forecast for

4 Miles NNW Savanna IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am.  Mostly cloudy, with a low around 63. Northwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. Northwest wind around 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind becoming south around 5 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 87 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 63. Northwest wind around 5 mph. Chance of precipitation is 30%.
Juneteenth
Sunny, with a high near 84. Northwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 65. Calm wind becoming south around 5 mph after midnight.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 75.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny and hot, with a high near 95.
Sunday Night
Clear, with a low around 76.
Monday
Sunny, with a high near 94.
Monday Night
A 30 percent chance of showers. Mostly clear, with a low around 73.
Tuesday
A 50 percent chance of showers. Mostly sunny, with a high near 92.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
Showers likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Savanna IL
 42.14°N 90.15°W (Elev. 728 ft)
6:32 pm CDT Jun 18, 2025
9pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database