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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

37°F

3°C

Humidity 27%
Wind Speed NE 5 mph
Barometer 30.34 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 22 Jan 12:35 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

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. North wind around 5 mph becoming calm.

    High: 40 °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 zero. North wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 22 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after midnight. Increasing clouds, with a low around 8. Wind chill values as low as -7. North northeast wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 8 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers before 3pm, then snow showers, possibly mixed with sleet. High near 16. Northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 16 °F

    Snow Showers
    Likely then
    Snow/Sleet

  • Saturday Night

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

    Low: 12 °F

    Snow/Sleet
    then Snow
    Showers

  • Sunday

    Sunday: Snow showers, 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 Showers
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A slight chance of snow showers before midnight. Mostly cloudy, with a low around 2. Northwest wind 7 to 10 mph.

    Low: 2 °F

    Slight Chance
    Snow Showers
    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 40. North wind around 5 mph becoming calm.
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 zero. North wind 14 to 17 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of snow showers after midnight. Increasing clouds, with a low around 8. Wind chill values as low as -7. North northeast wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday
Snow showers before 3pm, then snow showers, possibly mixed with sleet. High near 16. Northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Snow showers, possibly mixed with sleet, becoming all snow after 9pm. Low around 12. Northeast wind 8 to 10 mph. Chance of precipitation is 90%.
Sunday
Snow showers, 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 showers before 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 west 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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.72°N 88.58°W
Last Update:
12:31 pm CST Jan 22, 2026
Forecast Valid:
12pm 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