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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

78°F

26°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 29.90 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 12 Aug 4:35 am CDT
Extended Forecast for

3 Miles SSE Thompsonville IL

Heat Advisory August 12, 04:53am until August 14, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 12, 04:53am until August 14, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 77. East wind around 7 mph becoming south after midnight.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 105. South southwest wind 6 to 9 mph.

    High: 97 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South wind around 7 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 99. West southwest wind 5 to 7 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South wind 3 to 5 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Southwest wind 3 to 7 mph.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South wind around 6 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 96. Southwest wind 5 to 8 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 77. East wind around 7 mph becoming south after midnight.
Thursday
A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Heat index values as high as 105. South southwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 78. South wind around 7 mph.
Friday
Mostly sunny and hot, with a high near 99. West southwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 76. South wind 3 to 5 mph.
Saturday
Sunny and hot, with a high near 101. Southwest wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 77. South wind around 6 mph.
Sunday
Sunny and hot, with a high near 100. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 74. West northwest wind around 5 mph becoming light and variable after midnight.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. North wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 69. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Thompsonville IL
 37.86°N 88.74°W
Last Update:
4:26 am CDT Aug 12, 2026
Forecast Valid:
4am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation