Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Mostly Cloudy
54°F
12°C
| Humidity | 63% |
| Wind Speed | NW 12 mph |
| Barometer | 30.06 in |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 9 Jan 9:55 am CST |
Extended Forecast for
Harrisburg IL
Today
High: 61 °F⇓
Mostly Cloudy
Tonight
Low: 43 °F
Mostly Cloudy
then Chance
ShowersSaturday
High: 49 °F
Slight Chance
Showers then
Mostly SunnySaturday Night
Low: 26 °F
Mostly Clear
Sunday
High: 38 °F
Sunny
Sunday Night
Low: 24 °F
Mostly Clear
Monday
High: 48 °F
Sunny
Monday Night
Low: 34 °F
Mostly Clear
Tuesday
High: 54 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy, with a temperature falling to around 50 by 5pm. Northwest wind 5 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.
Tonight
A 50 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 43. North northeast wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 49. Light northwest wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 26. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 38. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 24. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 48. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 54. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 39. Southwest wind 6 to 9 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 26. North northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 39. North northwest wind 5 to 7 mph becoming southwest in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
9:46 am CST Jan 9, 2026
10am CST Jan 9, 2026-6pm CST Jan 15, 2026
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