Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

Thunderstorm in Vicinity

92°F

33°C

Humidity 65%
Wind Speed W 8 mph
Barometer 30.01 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 19 Jul 12:15 pm CDT
Extended Forecast for

Pinckneyville IL

Heat Advisory until July 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 19, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 76. South wind around 6 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Heat index values as high as 109. Southwest wind 6 to 8 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 76. South wind 3 to 5 mph.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. Calm wind becoming west northwest around 5 mph in the morning.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 74. East wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South southeast wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a steady temperature around 90. Heat index values as high as 107. Southwest wind around 9 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 96. Heat index values as high as 109. Southwest wind 6 to 8 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. South wind 3 to 5 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming west northwest around 5 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. South southeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 96. South wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind 3 to 6 mph.
Thursday
Sunny and hot, with a high near 97. South southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 76. South wind around 6 mph.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 96. South southwest wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Pinckneyville IL
 38.08°N 89.38°W
12:01 pm CDT Jul 19, 2025
12pm CDT Jul 19, 2025-6pm CDT Jul 25, 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