Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
60°F
16°C
| Humidity | 79% |
| Wind Speed | Calm |
| Barometer | 30.15 in |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 3 Oct 10:55 pm CDT |
Extended Forecast for
Harrisburg IL
Tonight
Low: 52 °F
Mostly Cloudy
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 51 °F
Mostly Clear
Monday
High: 74 °F
Becoming
SunnyMonday Night
Low: 46 °F
Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 47 °F
Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 51 °F
Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 52. Calm wind.
Sunday
Sunny, with a high near 78. Calm wind becoming north 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 51. Light north wind.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Northeast wind 5 to 8 mph.
Monday Night
Clear, with a low around 46. Light east northeast wind.
Tuesday
Sunny, with a high near 75. Calm wind becoming east around 5 mph.
Tuesday Night
Clear, with a low around 47. Calm wind.
Wednesday
Sunny, with a high near 83. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 51. Calm wind.
Thursday
Sunny, with a high near 82. Light north wind.
Thursday Night
Clear, with a low around 51. Calm wind.
Friday
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. Calm wind.
Saturday
A slight chance of showers. Sunny, with a high near 85. Calm wind becoming south southeast 5 to 7 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
9:46 pm CDT Oct 3, 2026
11pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
