Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
34°F
1°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 30.14 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 13 Feb 11:35 pm CST |
Extended Forecast for
Harrisburg IL
Tonight

Low: 34 °F⇑
Partly Cloudy
Saturday
High: 55 °F
Chance
Showers then
ShowersSaturday Night

Low: 46 °F
Showers
Sunday
High: 55 °F
Chance
Showers then
Mostly CloudySunday Night

Low: 39 °F
Partly Cloudy
Washington's Birthday

High: 61 °F
Mostly Sunny
Monday Night

Low: 44 °F
Mostly Cloudy
Tuesday

High: 65 °F
Mostly Cloudy
Tuesday Night

Low: 56 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a temperature rising to around 38 by 2am. Calm wind.
Saturday
Showers, mainly after 2pm. High near 55. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 46. East southeast wind around 6 mph. Chance of precipitation is 100%.
Sunday
A 50 percent chance of showers before noon. Mostly cloudy, with a high near 55. North northeast wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 39. North northeast wind around 5 mph becoming calm in the evening.
Washington's Birthday
Mostly sunny, with a high near 61. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 44. Light south wind.
Tuesday
Mostly cloudy, with a high near 65. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 56. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 71. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 52. South southwest wind around 7 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 69. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 46. South southwest wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 59. West wind 7 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
11:32 pm CST Feb 13, 2026
11pm CST Feb 13, 2026-6pm CST Feb 20, 2026


