Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
49°F
9°C
| Humidity | 42% |
| Wind Speed | SW 9 mph |
| Barometer | 29.69 in |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 25 Feb 2:55 am CST |
Extended Forecast for
Harrisburg IL
Overnight
Low: 40 °F
Mostly Cloudy
Wednesday
High: 55 °F
Mostly Cloudy
Wednesday Night
Low: 37 °F
Mostly Cloudy
then Chance
ShowersThursday
High: 55 °F
Slight Chance
Showers then
Mostly SunnyThursday Night
Low: 34 °F
Mostly Clear
Friday
High: 64 °F
Sunny
Friday Night
Low: 43 °F
Mostly Clear
Saturday
High: 67 °F
Sunny
Saturday Night
Low: 38 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 40. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 55. West southwest wind around 6 mph becoming calm in the morning.
Wednesday Night
A 50 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 37. Calm wind becoming northeast around 6 mph after midnight.
Thursday
A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 55. East northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 34. Calm wind.
Friday
Sunny, with a high near 64. Calm wind becoming south southwest around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 43. South southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 67. South southwest wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 38. South wind 6 to 10 mph becoming north in the evening. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 53. East wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 38. East southeast wind around 9 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 51. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 35. Northeast wind around 7 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 51. Northeast wind 6 to 8 mph becoming northwest in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
12:46 am CST Feb 25, 2026
3am CST Feb 25, 2026-6pm CST Mar 3, 2026
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