Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
68°F
20°C
| Humidity | 79% |
| Wind Speed | NW 8 mph |
| Barometer | 29.77 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 11 Mar 8:15 am CDT |
Extended Forecast for
Harrisburg IL
Today
High: 71 °F⇓
Breezy.
Severe
Thunderstorms
then ShowersTonight

Low: 32 °F
Decreasing
CloudsThursday

High: 54 °F
Sunny
Thursday Night

Low: 41 °F
Partly Cloudy
Friday

High: 62 °F
Mostly Sunny
Friday Night

Low: 38 °F
Partly Cloudy
Saturday

High: 67 °F
Sunny
Saturday Night

Low: 53 °F
Partly Cloudy
Sunday
High: 70 °F
Breezy.
Slight Chance
T-storms then
Showers
Likely
Detailed Forecast
Today
Showers and thunderstorms before 4pm, then showers likely. Some of the storms could be severe. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 18 to 28 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North northwest wind 9 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 54. Northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 41. South southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 22 mph.
Friday
Mostly sunny, with a high near 62. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 38. West northwest wind around 5 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 67. East wind 6 to 9 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 53. South southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday
A slight chance of showers and thunderstorms, then showers likely after 1pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 15 to 24 mph, with gusts as high as 34 mph.
Sunday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 29. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 41. Northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 22. Northwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 43. West northwest wind 3 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
8:26 am CDT Mar 11, 2026
8am CDT Mar 11, 2026-6pm CDT Mar 17, 2026



