Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
48°F
9°C
| Humidity | 54% |
| Wind Speed | NE 6 mph |
| Barometer | 29.81 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 25 Feb 7:55 pm CST |
Extended Forecast for
Harrisburg IL
Tonight
Low: 39 °F
Slight Chance
Showers then
Chance
ShowersThursday
High: 56 °F
Mostly Sunny
Thursday Night
Low: 37 °F
Mostly Clear
Friday
High: 65 °F
Sunny
Friday Night
Low: 43 °F
Clear
Saturday
High: 67 °F
Sunny
Saturday Night
Low: 36 °F
Partly Cloudy
Sunday
High: 51 °F
Mostly Cloudy
then Slight
Chance
ShowersSunday Night
Low: 34 °F
Rain/Snow
Likely
Detailed Forecast
Tonight
A 50 percent chance of showers, mainly after 1am. Cloudy, with a low around 39. Northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 56. Northeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 37. Calm wind.
Friday
Sunny, with a high near 65. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Clear, with a low around 43. South southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 67. Light and variable wind becoming south southwest 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 36. South southwest wind 6 to 10 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers after noon. Mostly cloudy, with a high near 51. East northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
Rain likely, possibly mixed with snow showers, mainly after midnight. Cloudy, with a low around 34. East northeast wind 8 to 10 mph.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Cloudy, with a high near 45. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers. Cloudy, with a low around 33. East northeast wind around 7 mph.
Tuesday
A chance of showers. Cloudy, with a high near 50. East wind around 7 mph becoming west southwest in the afternoon.
Tuesday Night
A chance of showers. Cloudy, with a low around 38. North northeast wind around 6 mph.
Wednesday
A chance of showers. Cloudy, with a high near 56. East wind around 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
7:47 pm CST Feb 25, 2026
8pm CST Feb 25, 2026-6pm CST Mar 4, 2026
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