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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

39°F

4°C

Humidity 24%
Wind Speed N 6 mph
Barometer 30.30 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Jan 1:55 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

  • This Afternoon

    This Afternoon: Sunny, with a high near 41. Calm wind becoming east northeast around 5 mph.

    High: 41 °F

    Sunny

  • 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. 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.

    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

Detailed Forecast

This Afternoon
Sunny, with a high near 41. Calm wind becoming east northeast around 5 mph.
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. 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.
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.
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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:
1:56 pm CST Jan 22, 2026
Forecast Valid:
2pm CST Jan 22, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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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