Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
40°F
4°C
| Humidity | 73% |
| Wind Speed | SW 12 G 16 mph |
| Barometer | 29.86 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 9 Dec 4:15 pm CST |
Extended Forecast for
Harrisburg IL
This Afternoon
High: 45 °F
Partly Sunny
Tonight
Low: 41 °F⇑
Breezy.
Mostly Cloudy
then Chance
ShowersWednesday
High: 46 °F⇓
Mostly Cloudy
and BreezyWednesday Night
Low: 26 °F
Mostly Cloudy
Thursday
High: 39 °F
Mostly Cloudy
Thursday Night
Low: 34 °F
Mostly Cloudy
Friday
High: 50 °F
Partly Sunny
Friday Night
Low: 24 °F
Mostly Cloudy
Saturday
High: 39 °F
Partly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 45. South southwest wind around 16 mph, with gusts as high as 31 mph.
Tonight
A 30 percent chance of showers, mainly between 1am and 4am. Mostly cloudy, with a temperature falling to near 41 by 8pm, then rising to around 45 during the remainder of the night. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 36 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 38 by 5pm. Breezy, with a west southwest wind 13 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
Mostly cloudy, with a low around 26. Northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Mostly cloudy, with a high near 39. Calm wind becoming west around 5 mph.
Thursday Night
Mostly cloudy, with a low around 34. South wind 3 to 6 mph.
Friday
Partly sunny, with a high near 50. Southwest wind 6 to 9 mph becoming north northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 24. North northwest wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 39. North wind 3 to 6 mph.
Saturday Night
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 13. North wind around 7 mph.
Sunday
Mostly sunny, with a high near 26. North wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 15. Light and variable wind.
Monday
Mostly sunny, with a high near 38. Calm wind becoming south 5 to 7 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.72°N 88.55°W
37.72°N 88.55°W
3:16 pm CST Dec 9, 2025
4pm CST Dec 9, 2025-6pm CST Dec 15, 2025
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