Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
27°F
-3°C
| Humidity | 51% |
| Wind Speed | SW 6 mph |
| Barometer | 29.92 in |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 15 Jan 10:15 pm CST |
Extended Forecast for
Harrisburg IL
Tonight

Low: 25 °F⇑
Chance Snow
ShowersFriday
High: 46 °F
Mostly Cloudy
then Slight
Chance
ShowersFriday Night
Low: 25 °F
Chance
Rain/Snow
then Mostly
CloudySaturday

High: 31 °F
Partly Sunny
Saturday Night

Low: 13 °F
Partly Cloudy
Sunday

High: 29 °F
Sunny
Sunday Night

Low: 16 °F
Partly Cloudy
M.L.King Day

High: 26 °F
Mostly Sunny
Monday Night

Low: 9 °F
Mostly Clear
Detailed Forecast
Tonight
A 30 percent chance of snow showers, mainly before 1am. Mostly cloudy, with a temperature rising to around 33 by 5am. South wind 8 to 13 mph, with gusts as high as 24 mph.
Friday
A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 46. West southwest wind 8 to 14 mph, with gusts as high as 25 mph.
Friday Night
A chance of rain showers before 10pm, then a chance of snow showers between 10pm and midnight. Mostly cloudy, with a low around 25. West southwest wind around 8 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 31. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 13. West northwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 29. Light west wind becoming west southwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 16. South southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
M.L.King Day
Mostly sunny, with a high near 26. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 9. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 33. Calm wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 22. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 44. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A slight chance of rain or freezing rain. Partly cloudy, with a low around 23. Southwest wind around 6 mph becoming north northeast after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 42. North northeast wind around 7 mph becoming south southeast in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
10:11 pm CST Jan 15, 2026
10pm CST Jan 15, 2026-6pm CST Jan 22, 2026



