Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
48°F
9°C
| Humidity | 79% |
| Wind Speed | Calm |
| Barometer | 30.04 in |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 30 Apr 1:55 am CDT |
Extended Forecast for
Harrisburg IL
Overnight
Low: 43 °F
Mostly Clear
Thursday
High: 66 °F
Sunny
Thursday Night
Low: 47 °F
Partly Cloudy
then Slight
Chance
ShowersFriday
High: 64 °F
Mostly Sunny
Friday Night
Low: 42 °F
Partly Cloudy
Saturday
High: 62 °F
Mostly Sunny
Saturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 70 °F
Sunny
Sunday Night
Low: 54 °F
Slight Chance
T-storms then
Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 43. Light north wind.
Thursday
Sunny, with a high near 66. Calm wind becoming north northeast around 6 mph.
Thursday Night
A slight chance of showers between 1am and 4am. Partly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 64. North wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 42. 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 39. 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 chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 54. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 79. Southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. South southwest wind around 13 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
1:26 am CDT Apr 30, 2026
2am CDT Apr 30, 2026-6pm CDT May 6, 2026
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