Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

78°F

26°C

Humidity 91%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 5 Sep 7:55 am CDT
Extended Forecast for

Thompsonville IL

Extreme Heat Warning September 5, 08:19am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 5, 08:19am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 71. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 71 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Northeast wind 6 to 11 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming light east northeast  after midnight.

    Low: 63 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 90. East northeast wind 3 to 8 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. East wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming south 5 to 8 mph in the morning.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. South wind 5 to 9 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind becoming north northeast around 5 mph after midnight.
Sunday
Sunny, with a high near 92. Northeast wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming light east northeast after midnight.
Labor Day
Sunny, with a high near 90. East northeast wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 72. South wind 5 to 9 mph.
Wednesday
Sunny and hot, with a high near 98. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of showers after 1am. Mostly clear, with a low around 70. Southwest wind around 6 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 65. North wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers. Sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the morning.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Thompsonville IL
 37.91°N 88.74°W
1:26 am CDT Sep 5, 2026
8am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database