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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

20°F

-7°C

Humidity 49%
Wind Speed N 14 G 17 mph
Barometer 30.52 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 23 Jan 6:55 am CST
Extended Forecast for

Harrisburg IL

Cold Weather Advisory January 23, 06:00pm until January 24, 01:00pm
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

  • Today

    Today: Partly sunny, with a temperature falling to around 13 by 5pm. Wind chill values as low as -2. North wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 19 °F⇓

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 8. Wind chill values as low as -8. Northeast wind around 14 mph, with gusts as high as 22 mph.

    Low: 8 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow showers. High near 15. Wind chill values as low as -6. Northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 15 °F

    Snow Showers
    Likely then
    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers before 3am, then snow showers, possibly mixed with sleet. Low around 12. North northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.

    Low: 12 °F

    Snow Showers
    then
    Snow/Sleet

  • Sunday

    Sunday: Snow showers, possibly mixed with sleet, becoming all snow after 9am. High near 18. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 18 °F

    Snow/Sleet
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 1. Northwest wind 7 to 10 mph.

    Low: 1 °F

    Chance Snow
    Showers then
    Partly 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 2. Southwest wind 3 to 8 mph.

    Low: 2 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Southwest wind 5 to 8 mph.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a temperature falling to around 13 by 5pm. Wind chill values as low as -2. North wind 14 to 17 mph, with gusts as high as 26 mph.
Tonight
A 30 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 8. Wind chill values as low as -8. Northeast wind around 14 mph, with gusts as high as 22 mph.
Saturday
Snow showers. High near 15. Wind chill values as low as -6. Northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow showers before 3am, then snow showers, possibly mixed with sleet. Low around 12. North northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.
Sunday
Snow showers, possibly mixed with sleet, becoming all snow after 9am. High near 18. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 1. 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 2. Southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 29. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 9. Light and variable wind.
Wednesday
Partly sunny, with a high near 25. Calm wind becoming northwest around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 3. West wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 20. Northwest wind 5 to 7 mph.
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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:
3:16 am CST Jan 23, 2026
Forecast Valid:
7am CST Jan 23, 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