Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
31°F
-1°C
| Humidity | 82% |
| Wind Speed | SW 5 mph |
| Barometer | 29.96 in |
| Dewpoint | 26°F (-3°C) |
| Visibility | 7.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 6 Dec 1:55 am CST |
Extended Forecast for
Harrisburg IL
Overnight

Low: 28 °F
Mostly Cloudy
Saturday

High: 44 °F
Mostly Sunny
Saturday Night

Low: 33 °F
Mostly Cloudy
Sunday

High: 46 °F
Mostly Cloudy
Sunday Night
Low: 24 °F
Chance
Rain/Snow
then Mostly
CloudyMonday

High: 35 °F
Mostly Sunny
Monday Night

Low: 22 °F
Partly Cloudy
Tuesday

High: 46 °F
Mostly Sunny
Tuesday Night

Low: 37 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 28. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 44. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 33. Light southeast wind.
Sunday
Mostly cloudy, with a high near 46. Light and variable wind becoming north 5 to 9 mph in the morning.
Sunday Night
A chance of rain and snow showers before 9pm, then a chance of rain showers between 9pm and midnight. Mostly cloudy, with a low around 24. North wind 6 to 9 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 35. North wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 22. Calm wind becoming south southwest 5 to 7 mph after midnight.
Tuesday
Mostly sunny, with a high near 46. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers, mainly before noon. Partly sunny, with a high near 47. West wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 27. West northwest wind around 7 mph.
Thursday
Mostly cloudy, with a high near 42. North northwest wind 7 to 9 mph becoming south southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. South southwest wind around 6 mph becoming west northwest after midnight.
Friday
Partly sunny, with a high near 36. Northwest wind 6 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.72°N 88.55°W
37.72°N 88.55°W
10:36 pm CST Dec 5, 2025
2am CST Dec 6, 2025-6pm CST Dec 12, 2025


