Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
87°F
31°C
| Humidity | 31% |
| Wind Speed | SW 18 G 25 mph |
| Barometer | 29.64 in |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 22 Mar 4:15 pm CDT |
Extended Forecast for
Harrisburg IL
This Afternoon

High: 87 °F
Slight Chance
T-stormsTonight
Low: 37 °F
Chance
T-storms then
Mostly ClearMonday

High: 57 °F
Sunny
Monday Night

Low: 38 °F
Mostly Cloudy
Tuesday

High: 64 °F
Mostly Sunny
Tuesday Night

Low: 44 °F
Partly Cloudy
Wednesday

High: 74 °F
Mostly Sunny
Wednesday Night

Low: 60 °F
Partly Cloudy
Thursday

High: 85 °F
Sunny
Detailed Forecast
This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 87. South southwest wind around 14 mph, with gusts as high as 23 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, then gradual clearing toward daybreak, with a low around 37. Southwest wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 26 mph.
Monday
Sunny, with a high near 57. North northeast wind around 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 38. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 64. East southeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 44. Calm wind.
Wednesday
Mostly sunny, with a high near 74. Calm wind becoming south 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 60. South wind 6 to 9 mph.
Thursday
Sunny, with a high near 85. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 45. South southwest wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.
Friday
A chance of showers. Partly sunny, with a high near 57. North wind around 14 mph, with gusts as high as 23 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 32. North wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 57. Northeast wind around 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
1:26 pm CDT Mar 22, 2026
4pm CDT Mar 22, 2026-6pm CDT Mar 28, 2026



