National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Partly Cloudy

28°F

-2°C

Humidity 55%
Wind Speed SW 9 mph
Barometer 30.32 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 1 Feb 3:35 pm CST
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 28. South wind around 6 mph.

    High: 28 °F

    Cloudy

  • Tonight

    Tonight: A 50 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 19. South southwest wind 3 to 6 mph.

    Low: 19 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West wind around 5 mph becoming calm in the afternoon.

    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 chance of snow before 9am, then a chance of rain, snow, and freezing rain between 9am and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 38. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 38 °F

    Chance Wintry
    Mix

  • 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 14. Light north northwest wind.

    Low: 14 °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

This Afternoon
Cloudy, with a high near 28. South wind around 6 mph.
Tonight
A 50 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 19. South southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 39. West wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
A chance of snow before 9am, then a chance of rain, snow, and freezing rain between 9am and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 38. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%.
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 14. Light north northwest 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 28. South southwest wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 46. West southwest wind 7 to 10 mph becoming north northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 22. North wind 3 to 6 mph.
Saturday
Sunny, with a high near 35. Light and variable wind becoming north northeast around 6 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.58°W
Last Update:
3:16 pm CST Feb 1, 2026
Forecast Valid:
3pm CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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