Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
68°F
20°C
| Humidity | 67% |
| Wind Speed | SW 8 mph |
| Barometer | 29.79 in |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 22 Mar 2:15 am CDT |
Extended Forecast for
Harrisburg IL
Overnight
Low: 67 °F
Clear
Sunday
High: 87 °F
Sunny then
Slight Chance
T-stormsSunday Night
Low: 38 °F
Chance
T-storms and
Breezy then
Slight Chance
T-stormsMonday
High: 58 °F
Mostly Sunny
Monday Night
Low: 40 °F
Mostly Cloudy
Tuesday
High: 66 °F
Mostly Sunny
Tuesday Night
Low: 46 °F
Mostly Cloudy
Wednesday
High: 74 °F
Partly Sunny
Wednesday Night
Low: 61 °F
Partly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Overnight
Clear, with a steady temperature around 67. South southwest wind around 8 mph.
Sunday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 87. South southwest wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Cloudy, then gradual clearing toward daybreak, with a low around 38. Breezy, with a southwest wind 11 to 20 mph becoming north after midnight. Winds could gust as high as 31 mph.
Monday
Mostly sunny, with a high near 58. North northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 40. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 66. East southeast wind 3 to 5 mph.
Tuesday Night
Mostly cloudy, with a low around 46. Calm wind.
Wednesday
Partly sunny, with a high near 74. South southwest wind 3 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind 6 to 9 mph.
Thursday
A slight chance of showers after 1pm. Sunny, with a high near 84. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 55. North northeast wind 11 to 13 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 34. North northeast wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 58. East northeast wind around 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
1:26 am CDT Mar 22, 2026
2am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
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