Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
60°F
16°C
| Humidity | 85% |
| Wind Speed | SE 3 mph |
| Barometer | 30.21 in |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 11 Apr 10:55 pm CDT |
Extended Forecast for
Harrisburg IL
Tonight

Low: 60 °F
Mostly Clear
Sunday

High: 83 °F
Mostly Sunny
Sunday Night
Low: 67 °F
Slight Chance
Showers then
Showers
LikelyMonday

High: 82 °F
Chance
ShowersMonday Night

Low: 68 °F
Partly Cloudy
Tuesday

High: 87 °F
Mostly Sunny
Tuesday Night
Low: 69 °F
Slight Chance
T-storms then
Chance
ShowersWednesday
High: 85 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 65 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
Tonight
Mostly clear, with a low around 60. South southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 83. South southwest wind 6 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 3am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 67. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 82. South southwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 68. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 87. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 6 to 9 mph.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 62. South southwest wind 3 to 6 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 7 to 9 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
10:56 pm CDT Apr 11, 2026
11pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026


