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.

Overcast

18°F

-8°C

Humidity 57%
Wind Speed NW 14 mph
Barometer 30.45 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 31 Jan 1:55 pm CST
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 17. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 17 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 4. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 4 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of flurries after noon. Increasing clouds, with a high near 28. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 28 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. South southwest wind 3 to 5 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West southwest wind 3 to 5 mph.

    High: 40 °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 rain and snow showers, mainly after noon. Cloudy, with a high near 37. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 37 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers before midnight. Mostly cloudy, with a low around 19. North wind around 6 mph.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 28. North wind 6 to 8 mph.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 17. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 4. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A chance of flurries after noon. Increasing clouds, with a high near 28. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 19. South southwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 40. West southwest wind 3 to 5 mph.
Monday Night
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
A chance of rain and snow showers, mainly after noon. Cloudy, with a high near 37. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A slight chance of snow showers before midnight. Mostly cloudy, with a low around 19. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 28. North wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 12. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 34. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 24. South southwest wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 45. Southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
Last Update:
1:36 pm CST Jan 31, 2026
Forecast Valid:
2pm CST Jan 31, 2026-6pm CST Feb 6, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation