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

42°F

6°C

Humidity 49%
Wind Speed S 5 mph
Barometer 30.19 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 2 Feb 2:55 pm CST
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 40. South wind 3 to 6 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of drizzle, snow, and freezing rain before 11am, then a chance of drizzle between 11am and 5pm. Cloudy, with a high near 38. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

    High: 38 °F

    Chance Wintry
    Mix then
    Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. North wind around 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. North wind 5 to 8 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. Light and variable wind.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. South southwest wind 6 to 8 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 47. West southwest wind 6 to 10 mph becoming northwest in the afternoon.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 40. South wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 27. Light and variable wind.
Tuesday
A chance of drizzle, snow, and freezing rain before 11am, then a chance of drizzle between 11am and 5pm. Cloudy, with a high near 38. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 22. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 31. North wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 14. Light and variable wind.
Thursday
Mostly sunny, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 28. South southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 47. West southwest wind 6 to 10 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 23. Northwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 37. Light and variable wind becoming northeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 24. Light and variable wind becoming southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 42. South wind 5 to 7 mph becoming north in the afternoon.
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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:
2:02 pm CST Feb 2, 2026
Forecast Valid:
3pm CST Feb 2, 2026-6pm CST Feb 8, 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