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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

8°F

-13°C

Humidity 73%
Wind Speed Calm
Barometer 30.45 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 1 Feb 7:35 am CST
Extended Forecast for

Harrisburg IL

  • Today

    Today: Increasing clouds, with a high near 28. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 50 percent chance of snow, mainly between 7pm and 11pm. Mostly cloudy, with a low around 20. South southwest wind around 6 mph.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 3 to 6 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 3pm, then a chance of snow showers after 3pm. Cloudy, with a high near 38. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. North wind around 6 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. North wind 5 to 7 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 28. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Tonight
A 50 percent chance of snow, mainly between 7pm and 11pm. Mostly cloudy, with a low around 20. South southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 39. Southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
A slight chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 3pm, then a chance of snow showers after 3pm. Cloudy, with a high near 38. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 21. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 31. North wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 12. Light and variable wind.
Thursday
Mostly sunny, with a high near 36. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 26. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 45. West southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 21. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 33. North northeast wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.58°W
Last Update:
4:46 am CST Feb 1, 2026
Forecast Valid:
8am CST Feb 1, 2026-6pm CST Feb 7, 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