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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

31°F

-1°C

Humidity 44%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 22 Jan 5:35 pm CST
Extended Forecast for

Harrisburg IL

Cold Weather Advisory January 23, 06:00pm until January 25, 06:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • Tonight

    Tonight: Increasing clouds, with a low around 17. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 24 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. North wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 22 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of snow between midnight and 3am. Increasing clouds, with a low around 8. Wind chill values as low as -6. North northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 8 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow before 3pm, then snow, possibly mixed with sleet. High near 16. Wind chill values as low as -5. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 16 °F

    Snow Likely
    then
    Snow/Sleet

  • Saturday Night

    Saturday Night: Snow, possibly mixed with sleet, becoming all snow after 9pm. The snow could be heavy at times. Low around 12. Northeast wind 8 to 10 mph. Chance of precipitation is 90%.

    Low: 12 °F

    Snow/Sleet
    then Heavy
    Snow

  • Sunday

    Sunday: Snow, mainly before noon. High near 19. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 19 °F

    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 8pm, then a slight chance of snow showers between 8pm and midnight. Mostly cloudy, with a low around 2. Northwest wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 2 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 16. West northwest wind 5 to 8 mph.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. South southwest wind 3 to 6 mph.

    Low: 1 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 17. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 24 mph.
Friday
Partly sunny, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. North wind 14 to 17 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of snow between midnight and 3am. Increasing clouds, with a low around 8. Wind chill values as low as -6. North northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
Snow before 3pm, then snow, possibly mixed with sleet. High near 16. Wind chill values as low as -5. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Snow, possibly mixed with sleet, becoming all snow after 9pm. The snow could be heavy at times. Low around 12. Northeast wind 8 to 10 mph. Chance of precipitation is 90%.
Sunday
Snow, mainly before noon. High near 19. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
A slight chance of snow before 8pm, then a slight chance of snow showers between 8pm and midnight. Mostly cloudy, with a low around 2. Northwest wind 7 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 16. West northwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 1. South southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 29. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 14. Light southwest wind.
Wednesday
Partly sunny, with a high near 29. Light and variable wind becoming west northwest 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 4. North northwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 20. North northwest wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
Last Update:
3:16 pm CST Jan 22, 2026
Forecast Valid:
5pm CST Jan 22, 2026-6pm CST Jan 29, 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