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

47°F

8°C

Humidity 79%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 19 Apr 10:35 pm CDT
Extended Forecast for

Thompsonville IL

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind becoming north northeast around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. East wind around 6 mph becoming calm in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Calm wind becoming south southeast around 6 mph in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Southwest wind 6 to 10 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind around 7 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. South wind 8 to 18 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Calm wind becoming north northeast around 5 mph.
Monday
Sunny, with a high near 68. East wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 50. Calm wind becoming south southeast around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Clear, with a low around 56. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 79. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 7 mph.
Thursday
Sunny, with a high near 82. South wind 8 to 18 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 23 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. West southwest wind 6 to 8 mph becoming northwest after midnight.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Northwest wind 7 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. North northwest wind around 6 mph becoming northeast after midnight.
Sunday
A chance of showers. Mostly sunny, with a high near 72. East wind 7 to 9 mph becoming northwest 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:
10:31 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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