Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
75°F
24°C
| Humidity | 98% |
| Wind Speed | N 6 mph |
| Barometer | 30.02 in |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Last update | 14 Oct 3:55 pm CDT |
Extended Forecast for
Harrisburg IL
This Afternoon

High: 82 °F
Chance
T-stormsTonight
Low: 66 °F
Chance
T-storms then
Chance
ShowersThursday

High: 88 °F
Chance
ShowersThursday Night
Low: 53 °F
Mostly Clear
then Slight
Chance
ShowersFriday

High: 60 °F
Partly Sunny
and BreezyFriday Night

Low: 41 °F
Partly Cloudy
Saturday

High: 62 °F
Sunny
Saturday Night

Low: 36 °F
Clear
Sunday

High: 68 °F
Sunny
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. West northwest wind around 5 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 66. Calm wind.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 88. Light and variable wind becoming south southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 53. South southwest wind 7 to 14 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 60. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 41. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 62. North northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 68. Calm wind becoming south southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 41. Calm wind.
Monday
Mostly sunny, with a high near 72. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 46. Calm wind.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming south southeast around 5 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
2:56 pm CDT Oct 14, 2026
4pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026



