Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
68°F
20°C
| Humidity | 68% |
| Wind Speed | SW 6 mph |
| Barometer | 29.99 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 1 Apr 12:55 am CDT |
Extended Forecast for
Harrisburg IL
Overnight

Low: 65 °F
Partly Cloudy
Wednesday

High: 83 °F
Chance
ShowersWednesday Night

Low: 67 °F
Partly Cloudy
Thursday
High: 81 °F
Breezy.
Partly Sunny
then Chance
T-stormsThursday Night

Low: 65 °F
Showers
Friday

High: 82 °F
Showers
LikelyFriday Night
Low: 61 °F
Chance
Showers then
Showers
LikelySaturday

High: 72 °F
Showers
Saturday Night

Low: 40 °F
Chance
Showers
Detailed Forecast
Overnight
Partly cloudy, with a low around 65. South southwest wind around 10 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Partly sunny, with a high near 83. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 67. South wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Breezy, with a south wind 15 to 22 mph, with gusts as high as 31 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 65. South southwest wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 61. South wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 72. South wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Northwest wind around 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 56. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 36. North wind 3 to 8 mph.
Monday
Sunny, with a high near 62. Northeast wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 40. Light and variable wind.
Tuesday
Sunny, with a high near 69. Light and variable wind becoming west 5 to 7 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
6:26 pm CDT Mar 31, 2026
1am CDT Apr 1, 2026-6pm CDT Apr 7, 2026


