Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Light Rain
60°F
16°C
| Humidity | 99% |
| Wind Speed | S 6 mph |
| Barometer | 29.89 in |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 18 Apr 8:35 am CDT |
Extended Forecast for
Harrisburg IL
Today
High: 61 °F⇓
Showers then
Chance
ShowersTonight
Low: 39 °F
Decreasing
CloudsSunday
High: 69 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Clear
Monday
High: 68 °F
Sunny
Monday Night
Low: 49 °F
Clear
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Detailed Forecast
Today
Showers and thunderstorms, mainly before 2pm. Temperature rising to near 61 by noon, then falling to around 55 during the remainder of the day. South southeast wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 69. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 41. West northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 68. Calm wind becoming east around 5 mph.
Monday Night
Clear, with a low around 49. Calm wind becoming south southeast around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 79. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 56. Southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 82. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. South southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 84. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
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Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
8:46 am CDT Apr 18, 2026
8am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
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