Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
42°F
6°C
| Humidity | 68% |
| Wind Speed | SE 5 mph |
| Barometer | 30.09 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 9 Feb 4:55 pm CST |
Extended Forecast for
Harrisburg IL
Tonight

Low: 37 °F
Mostly Clear
Tuesday

High: 63 °F
Partly Sunny
Tuesday Night
Low: 30 °F
Slight Chance
Showers then
Mostly CloudyWednesday

High: 48 °F
Sunny
Wednesday Night

Low: 29 °F
Partly Cloudy
Thursday

High: 47 °F
Mostly Cloudy
Thursday Night

Low: 32 °F
Slight Chance
ShowersFriday

High: 48 °F
Mostly Cloudy
Friday Night
Low: 36 °F
Mostly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 37. Calm wind becoming south southwest 5 to 7 mph after midnight.
Tuesday
Partly sunny, with a high near 63. Southwest wind 6 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 30. North wind around 6 mph.
Wednesday
Sunny, with a high near 48. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 47. Light east wind.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 32. Light east wind.
Friday
Mostly cloudy, with a high near 48. Calm wind becoming east around 5 mph.
Friday Night
A chance of showers after midnight. Mostly cloudy, with a low around 36. East wind 3 to 6 mph.
Saturday
Showers likely, mainly after noon. Cloudy, with a high near 49. East wind 6 to 9 mph.
Saturday Night
Showers. Cloudy, with a low around 41. East wind around 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 52. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 35. Northwest wind 3 to 7 mph.
Washington's Birthday
Mostly sunny, with a high near 58. Light and variable wind becoming south 5 to 7 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
4:47 pm CST Feb 9, 2026
5pm CST Feb 9, 2026-6pm CST Feb 16, 2026


