Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Mostly Cloudy
41°F
5°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 30.04 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 7.00 mi |
| Last update | 7 Dec 9:35 am CST |
Extended Forecast for
Harrisburg IL
Today
High: 45 °F
Slight Chance
DrizzleTonight
Low: 27 °F
Cloudy
Monday
High: 37 °F
Decreasing
CloudsMonday Night
Low: 25 °F
Mostly Clear
Tuesday
High: 48 °F
Mostly Sunny
Tuesday Night
Low: 41 °F
Mostly Cloudy
Wednesday
High: 51 °F
Partly Sunny
Wednesday Night
Low: 29 °F
Slight Chance
Rain then
Slight Chance
Rain/SnowThursday
High: 40 °F
Chance
Rain/Snow
then Chance
Rain
Detailed Forecast
Today
A slight chance of drizzle. Mostly cloudy, with a high near 45. Calm wind becoming north 5 to 9 mph in the afternoon.
Tonight
Cloudy, with a low around 27. North wind 7 to 9 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 25. Calm wind becoming south southwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 48. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 41. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 51. Southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 29. West northwest wind around 6 mph becoming calm.
Thursday
A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 40. East wind 5 to 7 mph becoming north in the afternoon.
Thursday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 21. North northwest wind 6 to 8 mph.
Friday
Partly sunny, with a high near 30. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 9. Northwest wind around 8 mph.
Saturday
Partly sunny, with a high near 24. West northwest wind 5 to 8 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.72°N 88.55°W
37.72°N 88.55°W
7:21 am CST Dec 7, 2025
9am CST Dec 7, 2025-6pm CST Dec 13, 2025
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