Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Fair

75°F

24°C

Humidity 92%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 4 Sep 5:15 am CDT
Extended Forecast for

Steeleville IL

Extreme Heat Warning September 4, 05:32am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 05:32am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 98 °F

    Sunny then
    Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming northwest around 5 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Today
Isolated showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Light south wind. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 74. Calm wind.
Saturday
Mostly sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 94. Calm wind becoming northeast 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 66.
Labor Day
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 20 percent chance of showers. Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Steeleville IL
 38°N 89.67°W (Elev. 420 ft)
4:31 am CDT Sep 4, 2026
5am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

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