Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

29°F

-2°C

Humidity 59%
Wind Speed NW 5 mph
Barometer 30.31 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 22 Jan 3:35 am CST
Extended Forecast for

Harrisburg IL

Winter Storm Watch January 24, 12:00am until January 25, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Overnight

    Overnight: Mostly clear, with a steady temperature around 31. Northwest wind around 7 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 40. North northwest wind around 6 mph becoming light and variable  in the morning.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Light and variable wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 22 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 23. North wind around 14 mph, with gusts as high as 23 mph.

    High: 23 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 8. North northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 8 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers.  High near 16. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%.

    High: 16 °F

    Snow Showers
    Likely then
    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers before midnight, then snow showers, possibly mixed with sleet between midnight and 3am, then snow showers after 3am.  Low around 12. Northeast wind around 8 mph.  Chance of precipitation is 90%.

    Low: 12 °F

    Snow Showers
    then
    Snow/Sleet

  • Sunday

    Sunday: A chance of snow showers, mainly before noon.  Mostly cloudy, with a high near 19. North northwest wind 7 to 10 mph.

    High: 19 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 2. Northwest wind around 6 mph.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 31. Northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 40. North northwest wind around 6 mph becoming light and variable in the morning.
Thursday Night
Partly cloudy, with a low around 17. Light and variable wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 22 mph.
Friday
Partly sunny, with a high near 23. North wind around 14 mph, with gusts as high as 23 mph.
Friday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 8. North northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday
Snow showers. High near 16. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
Snow showers before midnight, then snow showers, possibly mixed with sleet between midnight and 3am, then snow showers after 3am. Low around 12. Northeast wind around 8 mph. Chance of precipitation is 90%.
Sunday
A chance of snow showers, mainly before noon. Mostly cloudy, with a high near 19. North northwest wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 2. Northwest wind around 6 mph.
Monday
Sunny, with a high near 21. West northwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 6. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 32. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 18. Southwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 32. West wind 5 to 7 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
3:41 am CST Jan 22, 2026
3am CST Jan 22, 2026-6pm CST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database