Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
64°F
18°C
| Humidity | 35% |
| Wind Speed | Calm |
| Barometer | 30.00 in |
| Dewpoint | 35°F (2°C) |
| Visibility | 7.00 mi |
| Last update | 30 Apr 5:35 pm CDT |
Extended Forecast for
Harrisburg IL
Tonight
Low: 47 °F
Mostly Cloudy
Friday
High: 64 °F
Mostly Sunny
Friday Night
Low: 43 °F
Partly Cloudy
Saturday
High: 62 °F
Mostly Sunny
Saturday Night
Low: 40 °F
Mostly Clear
Sunday
High: 70 °F
Sunny
Sunday Night
Low: 54 °F
Clear then
Slight Chance
ShowersMonday
High: 80 °F
Slight Chance
Showers then
Slight Chance
T-stormsMonday Night
Low: 59 °F
Slight Chance
T-storms then
Chance
Showers
Detailed Forecast
Tonight
Mostly cloudy, with a low around 47. Light and variable wind.
Friday
Mostly sunny, with a high near 64. North wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 43. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 62. Calm wind becoming north northwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 40. North northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 54. South southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 59. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Breezy, with a south southwest wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 69. West northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 46. Northwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 68. West northwest wind 7 to 14 mph, with gusts as high as 21 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
4:41 pm CDT Apr 30, 2026
5pm CDT Apr 30, 2026-6pm CDT May 7, 2026
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