Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Overcast

32°F

0°C

Humidity 75%
Wind Speed N 5 mph
Barometer 30.17 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 1 Dec 4:55 pm CST
Extended Forecast for

Harrisburg IL

Winter Weather Advisory December 1, 06:00pm until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: A 30 percent chance of snow.  Cloudy, with a high near 33. Light northeast wind.

    High: 33 °F

    Chance Snow

  • Tonight

    Tonight: Snow and freezing rain before 2am, then a chance of snow between 2am and 3am.  Low around 23. Calm wind becoming northwest 5 to 7 mph after midnight.  Chance of precipitation is 80%. Little or no ice accumulation expected.  New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Wintry Mix
    then Snow

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 32. North northwest wind 5 to 7 mph becoming calm  in the afternoon.

    High: 32 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind becoming south southwest 5 to 8 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. North wind 5 to 10 mph becoming light  in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow showers after midnight.  Mostly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A slight chance of rain and snow showers.  Partly sunny, with a high near 39. Calm wind becoming south southwest around 5 mph.

    High: 39 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow. Cloudy, with a high near 33. Light northeast wind.
Tonight
Snow and freezing rain before 2am, then a chance of snow between 2am and 3am. Low around 23. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 32. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 20. Calm wind.
Wednesday
Mostly sunny, with a high near 42. Calm wind becoming south southwest 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 20. Light and variable wind becoming north 5 to 10 mph after midnight.
Thursday
Mostly sunny, with a high near 29. North wind 5 to 10 mph becoming light in the afternoon.
Thursday Night
A slight chance of snow showers after midnight. Mostly cloudy, with a low around 17. Calm wind.
Friday
A slight chance of rain and snow showers. Partly sunny, with a high near 39. Calm wind becoming south southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 25. Calm wind.
Saturday
Mostly sunny, with a high near 43. Calm wind becoming southwest around 6 mph.
Saturday Night
Mostly cloudy, with a low around 28. Calm wind becoming west around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 41. West northwest wind 5 to 8 mph becoming north in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. North wind 3 to 5 mph.
Monday
Partly sunny, with a high near 38. Light and variable wind becoming north around 5 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.72°N 88.55°W
4:34 pm CST Dec 1, 2025
5pm CST Dec 1, 2025-6pm CST Dec 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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