Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
58°F
14°C
| Humidity | 52% |
| Wind Speed | SE 7 mph |
| Barometer | 30.53 in |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 11:15 am CDT |
Extended Forecast for
Harrisburg IL
Today
High: 69 °F
Sunny
Tonight
Low: 39 °F
Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 44 °F
Clear
Thursday
High: 78 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 69. East southeast wind 3 to 5 mph.
Tonight
Clear, with a low around 39. Calm wind.
Monday
Sunny, with a high near 73. Calm wind.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 74. Light north wind.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind.
Wednesday Night
Clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 78. Light north wind.
Thursday Night
Clear, with a low around 44. Calm wind.
Friday
Sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45. Calm wind.
Saturday
Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
8:21 am CDT Oct 18, 2026
11am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
