Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

49°F

9°C

Humidity 47%
Wind Speed W 8 mph
Barometer 30.30 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 11 Feb 4:15 pm CST
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 46. North wind 3 to 6 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 50. Calm wind.

    High: 50 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 56. Calm wind becoming south southeast around 5 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after noon.  Mostly cloudy, with a high near 54. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 54 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely.  Cloudy, with a low around 45. East wind around 7 mph.

    Low: 45 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before noon.  Partly sunny, with a high near 55. North wind 7 to 10 mph.

    High: 55 °F

    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 46. North wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 29. Calm wind.
Thursday
Increasing clouds, with a high near 50. Calm wind.
Thursday Night
Mostly cloudy, with a low around 31. Calm wind.
Friday
Sunny, with a high near 56. Calm wind becoming south southeast around 5 mph.
Friday Night
Mostly cloudy, with a low around 36. Calm wind.
Saturday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 54. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night
Showers likely. Cloudy, with a low around 45. East wind around 7 mph.
Sunday
A chance of showers before noon. Partly sunny, with a high near 55. North wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 37. North wind around 6 mph becoming calm in the evening.
Washington's Birthday
Mostly sunny, with a high near 60. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 64. South wind 6 to 14 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.58°W
3:22 pm CST Feb 11, 2026
4pm CST Feb 11, 2026-6pm CST Feb 17, 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