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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

75°F

24°C

Humidity 52%
Wind Speed E 7 mph
Barometer 30.20 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 14 Sep 9:55 am CDT
Extended Forecast for

Thompsonville IL

Heat Advisory September 15, 11:00am until September 16, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 87. East wind around 9 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. East southeast wind 5 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. South southeast wind 6 to 10 mph becoming southwest in the afternoon.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Light southeast wind.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. East wind around 9 mph.
Tonight
Mostly clear, with a low around 68. East southeast wind 5 to 7 mph.
Tuesday
Sunny and hot, with a high near 98. South southeast wind 6 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 73. Light southeast wind.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 97. Calm wind becoming west southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 72. Calm wind.
Friday
Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 70. Light southeast wind.
Saturday
Sunny, with a high near 93. Light south wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 69. South southwest wind 3 to 5 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light southwest wind becoming west southwest 5 to 9 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thompsonville IL
 37.91°N 88.77°W
Last Update:
7:21 am CDT Sep 14, 2026
Forecast Valid:
10am CDT Sep 14, 2026-6pm CDT Sep 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation