National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

46°F

8°C

Humidity 97%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 28 Sep 3:35 am CDT
Extended Forecast for

Thompsonville IL

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Light northeast wind.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Light south southeast wind becoming south 8 to 13 mph in the morning.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. South southeast wind 5 to 8 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 1pm. Partly sunny, with a high near 88. South southwest wind 9 to 16 mph, with gusts as high as 22 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 65. South southwest wind around 5 mph becoming calm.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 49. Calm wind.
Monday
Sunny, with a high near 80. Light northeast wind.
Monday Night
Clear, with a low around 52. Calm wind.
Tuesday
Sunny, with a high near 83. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 58. Calm wind.
Wednesday
Mostly sunny, with a high near 89. Light south southeast wind becoming south 8 to 13 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. South southeast wind 5 to 8 mph.
Thursday
A chance of showers after 1pm. Partly sunny, with a high near 88. South southwest wind 9 to 16 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65. South southwest wind around 5 mph becoming calm.
Friday
A chance of showers. Mostly cloudy, with a high near 77. North northeast wind 6 to 11 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 61. Northeast wind 5 to 9 mph.
Saturday
A chance of showers. Partly sunny, with a high near 74. East northeast wind 6 to 9 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 61. East northeast wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers. Partly sunny, with a high near 74. Light northeast wind becoming east northeast 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:
1:25 am CDT Sep 28, 2026
Forecast Valid:
3am CDT Sep 28, 2026-6pm CDT Oct 4, 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