Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
51°F
11°C
| Humidity | 65% |
| Wind Speed | NE 7 mph |
| Barometer | 30.12 in |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 9 Jan 4:15 pm CST |
Extended Forecast for
Harrisburg IL
This Afternoon

High: 51 °F
Mostly Cloudy
Tonight
Low: 44 °F
Cloudy then
Chance
ShowersSaturday
High: 49 °F
Chance
Showers then
Mostly SunnySaturday Night

Low: 27 °F
Mostly Clear
Sunday

High: 39 °F
Sunny
Sunday Night

Low: 24 °F
Mostly Clear
Monday

High: 48 °F
Sunny
Monday Night

Low: 34 °F
Mostly Clear
Tuesday

High: 55 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a steady temperature around 51. Light north northeast wind.
Tonight
A 30 percent chance of showers, mainly after 4am. Cloudy, with a low around 44. Calm wind.
Saturday
A 30 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 49. Light west northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 27. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 39. Northwest wind 8 to 13 mph becoming light west northwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 24. Light and variable wind.
Monday
Sunny, with a high near 48. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 38. Southwest wind 6 to 10 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 45. Northwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 22. North northwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 36. North northwest wind 5 to 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
3:16 pm CST Jan 9, 2026
4pm CST Jan 9, 2026-6pm CST Jan 15, 2026


