Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
85°F
29°C
| Humidity | 39% |
| Wind Speed | SW 18 G 32 mph |
| Barometer | 29.79 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 26 Mar 4:35 pm CDT |
Extended Forecast for
Harrisburg IL
This Afternoon

High: 87 °F
Sunny and
BreezyTonight
Low: 45 °F
Partly Cloudy
then Chance
T-stormsFriday
High: 56 °F
Showers
Likely then
Chance
T-stormsFriday Night

Low: 32 °F
Mostly Clear
then Patchy
FrostSaturday

High: 57 °F
Patchy Frost
then SunnySaturday Night

Low: 39 °F
Partly Cloudy
Sunday

High: 69 °F
Mostly Sunny
Sunday Night

Low: 58 °F
Partly Cloudy
Monday

High: 81 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 87. Breezy, with a southwest wind around 22 mph, with gusts as high as 32 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 45. South southwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 31 mph.
Friday
Showers and thunderstorms likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 56. North wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 32. North wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 39. Light southeast wind.
Sunday
Mostly sunny, with a high near 69. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 58. South wind 7 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 81. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 64. South southwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 84. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 61. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 14 to 17 mph, with gusts as high as 28 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
4:02 pm CDT Mar 26, 2026
4pm CDT Mar 26, 2026-6pm CDT Apr 1, 2026



