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

19°F

-7°C

Humidity 57%
Wind Speed NW 14 mph
Barometer 30.45 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 31 Jan 3:15 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
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
Last Update:
3:16 pm CST Jan 31, 2026
Forecast Valid:
3pm CST Jan 31, 2026-6pm CST Feb 6, 2026
 
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Additional Resources

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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