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

37°F

3°C

Humidity 89%
Wind Speed NA
Barometer 30.20 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 13 Nov 12:55 am CST
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Calm wind becoming south southeast around 5 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. South southwest wind 5 to 9 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South southwest wind 6 to 9 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Southwest wind 6 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. North northwest wind 3 to 8 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. Calm wind.
Thursday
Mostly sunny, with a high near 65. Calm wind becoming south southeast around 5 mph.
Thursday Night
Mostly clear, with a low around 46. Calm wind becoming south southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 73. South southwest wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 58. South southwest wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 74. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 47. Southwest wind 6 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 61. North northwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 37. Light and variable wind.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 61. East southeast wind 3 to 8 mph.
Monday Night
Showers likely. Mostly cloudy, with a low around 47. East southeast wind 6 to 8 mph becoming south after midnight.
Tuesday
A chance of showers. Partly sunny, with a high near 61. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44. West southwest wind 5 to 7 mph becoming light and variable.
Wednesday
A chance of showers. Mostly cloudy, with a high near 58. North wind 5 to 7 mph becoming west northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.72°N 88.55°W
Last Update:
1:06 am CST Nov 13, 2025
Forecast Valid:
1am CST Nov 13, 2025-6pm CST Nov 19, 2025
 
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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