Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
80°F
27°C
| Humidity | 63% |
| Wind Speed | SW 6 mph |
| Barometer | 29.92 in |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 15 Oct 6:55 pm CDT |
Extended Forecast for
Harrisburg IL
Tonight
Low: 50 °F
Chance
Showers then
Slight Chance
T-stormsFriday
High: 59 °F
Slight Chance
Showers then
Partly Sunny
and BreezyFriday Night

Low: 40 °F
Mostly Cloudy
Saturday

High: 60 °F
Sunny
Saturday Night

Low: 35 °F
Clear then
Areas FrostSunday

High: 67 °F
Areas Frost
then SunnySunday Night

Low: 39 °F
Mostly Clear
Monday

High: 71 °F
Sunny
Monday Night

Low: 43 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Increasing clouds, with a low around 50. West southwest wind 7 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Friday
A 10 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 59. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 40. North wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 60. North northeast wind 8 to 11 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 35. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 39. Calm wind.
Monday
Sunny, with a high near 71. Calm wind becoming south around 5 mph.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 75. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 77. Light and variable wind.
Wednesday Night
Clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming 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
6:31 pm CDT Oct 15, 2026
7pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026



