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

84°F

29°C

Humidity 64%
Wind Speed S 6 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 3 Sep 10:55 pm CDT
Extended Forecast for

Percy IL

Extreme Heat Warning September 3, 11:07pm until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 11:07pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind.

    High: 98 °F

    Hot

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 105. Light northwest wind.

    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.

    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 92.

    High: 92 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 73. Light south wind.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 105. Light northwest wind.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 66.
Labor Day
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Percy IL
 38.02°N 89.61°W (Elev. 472 ft)
8:56 pm CDT Sep 3, 2026
11pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

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