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

38°F

3°C

Humidity 62%
Wind Speed W 6 mph
Barometer 30.18 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 10 Jan 5:15 pm CST
Extended Forecast for

Harrisburg IL

  • Tonight

    Tonight: A slight chance of rain and snow showers before 2am, then a slight chance of sprinkles and flurries between 2am and 3am, then a slight chance of flurries after 3am. Increasing clouds, with a low around 28. Southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Showers then
    Slight Chance
    Sprinkles/Snow

  • Sunday

    Sunday: Sunny, with a high near 39. Northwest wind 5 to 15 mph, with gusts as high as 28 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. South southwest wind 6 to 9 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 39. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before noon. Mostly cloudy, with a high near 46. West wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. North northwest wind 6 to 9 mph.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow showers before 2am, then a slight chance of sprinkles and flurries between 2am and 3am, then a slight chance of flurries after 3am. Increasing clouds, with a low around 28. Southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 39. Northwest wind 5 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 49. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 35. South southwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 58. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 39. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
A slight chance of showers before noon. Mostly cloudy, with a high near 46. West wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 20. North northwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 37. North northwest wind 5 to 8 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 27. South southwest wind 3 to 7 mph.
Friday
Partly sunny, with a high near 44. West wind 7 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind around 6 mph.
Saturday
Partly sunny, with a high near 37. West wind 7 to 11 mph, with gusts 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 88.58°W
Last Update:
5:12 pm CST Jan 10, 2026
Forecast Valid:
5pm CST Jan 10, 2026-6pm CST Jan 17, 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