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

65°F

18°C

Humidity 39%
Wind Speed S 5 mph
Barometer 30.28 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Apr 3:35 pm CDT
Extended Forecast for

Thompsonville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. Calm wind.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. Calm wind becoming south 5 to 7 mph in the evening.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Southwest wind 6 to 13 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. South wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Partly cloudy, with a low around 63. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. Partly sunny, with a high near 78. South southwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 78 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 68. Calm wind.
Tonight
Clear, with a low around 50. Calm wind becoming south 5 to 7 mph in the evening.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 7 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 76. Southwest wind 6 to 13 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 6 mph.
Thursday
Sunny, with a high near 82. South wind 6 to 15 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers after 1am. Partly cloudy, with a low around 63. South wind around 11 mph, with gusts as high as 21 mph.
Friday
Showers and possibly a thunderstorm. Partly sunny, with a high near 78. South southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Southwest wind 6 to 8 mph becoming north northwest after midnight.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. North wind 6 to 9 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Northeast wind around 6 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Northeast wind 7 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thompsonville IL
 37.93°N 88.77°W
Last Update:
1:51 pm CDT Apr 20, 2026
Forecast Valid:
3pm CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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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