Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
40°F
4°C
| Humidity | 81% |
| Wind Speed | E 8 mph |
| Barometer | 29.87 in |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 26 Feb 5:35 am CST |
Extended Forecast for
Harrisburg IL
Overnight
Low: 42 °F
Chance
ShowersThursday
High: 57 °F
Mostly Sunny
Thursday Night
Low: 36 °F
Mostly Clear
Friday
High: 65 °F
Sunny
Friday Night
Low: 43 °F
Clear
Saturday
High: 67 °F
Sunny
Saturday Night
Low: 36 °F
Slight Chance
ShowersSunday
High: 46 °F
Slight Chance
Showers then
Chance
Rain/SnowSunday Night
Low: 32 °F
Wintry Mix
Likely
Detailed Forecast
Overnight
A 30 percent chance of showers. Mostly cloudy, with a steady temperature around 42. Northeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 57. Northeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 36. Calm wind.
Friday
Sunny, with a high near 65. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Clear, with a low around 43. South southwest wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
A 20 percent chance of showers. Mostly clear, 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 rain showers before noon, then a chance of rain and snow showers. Mostly cloudy, with a high near 46. Northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
Rain and snow showers likely before midnight, then rain showers, snow showers, and freezing rain likely. Cloudy, with a low around 32. Northeast wind around 10 mph, with gusts as high as 18 mph.
Monday
A chance of rain and snow showers before noon, then a slight chance of rain showers. Cloudy, with a high near 44. Northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 31. East northeast wind around 6 mph.
Tuesday
A chance of showers. Cloudy, with a high near 49. East northeast wind 6 to 8 mph becoming west southwest in the afternoon.
Tuesday Night
A chance of showers. Cloudy, with a low around 36. North northwest wind around 6 mph becoming northeast after midnight.
Wednesday
A chance of showers. Mostly cloudy, with a high near 55. Northeast wind around 7 mph becoming east southeast 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
4:41 am CST Feb 26, 2026
5am CST Feb 26, 2026-6pm CST Mar 4, 2026
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