Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
27°F
-3°C
| Humidity | 81% |
| Wind Speed | S 5 mph |
| Barometer | 30.15 in |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 3 Dec 2:55 am CST |
Extended Forecast for
Harrisburg IL
Overnight
Low: 25 °F
Cloudy
Wednesday
High: 40 °F
Gradual
ClearingWednesday Night
Low: 21 °F
Mostly Cloudy
Thursday
High: 31 °F
Mostly Sunny
Thursday Night
Low: 18 °F
Mostly Cloudy
then Slight
Chance Wintry
MixFriday
High: 40 °F
Slight Chance
Rain/Freezing
Rain then
Mostly SunnyFriday Night
Low: 24 °F
Partly Cloudy
Saturday
High: 43 °F
Partly Sunny
Saturday Night
Low: 26 °F
Mostly Cloudy
Detailed Forecast
Overnight
Cloudy, with a low around 25. Calm wind.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 40. Calm wind becoming south southwest 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 21. Calm wind becoming north 5 to 9 mph after midnight.
Thursday
Mostly sunny, with a high near 31. North wind 5 to 10 mph becoming light north northeast in the afternoon.
Thursday Night
A slight chance of snow showers after midnight, mixing with freezing rain after 3am. Mostly cloudy, with a low around 18. Calm wind. Chance of precipitation is 20%.
Friday
A slight chance of freezing rain before 9am, then a slight chance of rain showers between 9am and noon. Partly sunny, with a high near 40. Light south southwest wind. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 24. Calm wind.
Saturday
Partly sunny, with a high near 43. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 26. Calm wind.
Sunday
Partly sunny, with a high near 42. Calm wind becoming northeast 5 to 7 mph in the morning.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 25. North wind 3 to 5 mph.
Monday
Partly sunny, with a high near 38. North northwest wind around 5 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 26. Calm wind becoming southwest around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 46. West southwest wind 6 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.72°N 88.55°W
37.72°N 88.55°W
1:46 am CST Dec 3, 2025
3am CST Dec 3, 2025-6pm CST Dec 9, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
