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.

Fair

28°F

-2°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 30.01 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 17 Jan 3:35 am CST
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: A chance of flurries. Partly cloudy, with a low around 25. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Chance
    Flurries

  • Saturday

    Saturday: A chance of flurries before 10am, then a chance of snow showers between 10am and 2pm, then a chance of flurries after 2pm. Partly sunny, with a high near 32. West northwest wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 13 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 31. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 31 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 16 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 25. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Light and variable wind.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. South southwest wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of flurries. Partly cloudy, with a low around 25. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday
A chance of flurries before 10am, then a chance of snow showers between 10am and 2pm, then a chance of flurries after 2pm. Partly sunny, with a high near 32. West northwest wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 13. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 31. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 16. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
M.L.King Day
Mostly sunny, with a high near 25. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 10. Light and variable wind.
Tuesday
Sunny, with a high near 36. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 27. South southwest wind 8 to 14 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 45. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 23. Southwest wind around 6 mph becoming north after midnight.
Thursday
A slight chance of rain and snow showers. Mostly sunny, with a high near 36. North wind around 6 mph.
Thursday Night
A slight chance of snow showers. Partly cloudy, with a low around 19. Light and variable wind becoming east around 5 mph after midnight.
Friday
A slight chance of showers. Mostly sunny, with a high near 38. East wind 5 to 7 mph becoming southwest in the afternoon.
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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 am CST Jan 17, 2026
Forecast Valid:
3am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
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Additional Resources

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Chance of Precipitation