Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

79°F

26°C

Humidity 72%
Wind Speed SW 15 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 23 Jun 1:56 am CDT
Extended Forecast for

4 Miles NE Milledgeville IL

Heat Advisory June 23, 02:21am until June 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 23, 02:21am until June 23, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Overnight

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 102. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 8pm.  Increasing clouds, with a low around 70. Southwest wind 5 to 15 mph becoming west in the evening. Winds could gust as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 89. Southwest wind 5 to 10 mph.  Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm.  Sunny, with a high near 92. Chance of precipitation is 50%.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 74. South wind around 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 94. Heat index values as high as 102. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
A 50 percent chance of showers and thunderstorms after 8pm. Increasing clouds, with a low around 70. Southwest wind 5 to 15 mph becoming west in the evening. Winds could gust as high as 20 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 92. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Milledgeville IL
 42.02°N 89.72°W (Elev. 741 ft)
11:31 pm CDT Jun 22, 2025
2am CDT Jun 23, 2025-6pm CDT Jun 29, 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