Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
27°F
-3°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 30.39 in |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 27 Nov 9:55 pm CST |
Extended Forecast for
Harrisburg IL
Tonight
Low: 24 °F
Clear
Friday
High: 39 °F
Sunny
Friday Night
Low: 28 °F
Mostly Cloudy
then Slight
Chance SnowSaturday
High: 42 °F
Wintry Mix
Saturday Night
Low: 29 °F
Rain then
Chance
Rain/SnowSunday
High: 34 °F
Mostly Cloudy
Sunday Night
Low: 20 °F
Mostly Cloudy
Monday
High: 33 °F
Mostly Cloudy
Monday Night
Low: 22 °F
Chance Snow
Detailed Forecast
Tonight
Clear, with a low around 24. Calm wind becoming west northwest around 5 mph.
Friday
Sunny, with a high near 39. Light northwest wind.
Friday Night
A 20 percent chance of snow after midnight. Increasing clouds, with a low around 28. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
Snow likely, possibly mixed with rain before noon, then rain and snow, possibly mixed with sleet between noon and 3pm, then rain after 3pm. High near 42. South southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
Rain before 3am, then a chance of rain and snow. Low around 29. South wind around 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Sunday
Mostly cloudy, with a high near 34. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 20. North wind 3 to 7 mph.
Monday
Mostly cloudy, with a high near 33. Northeast wind around 6 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22. Light north wind.
Tuesday
A slight chance of snow before noon. Partly sunny, with a high near 34. Calm wind becoming north northwest around 6 mph.
Tuesday Night
Partly cloudy, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 25. Light and variable wind.
Thursday
Mostly cloudy, with a high near 41. Light and variable wind becoming northwest around 6 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.72°N 88.55°W
37.72°N 88.55°W
9:01 pm CST Nov 27, 2025
10pm CST Nov 27, 2025-6pm CST Dec 4, 2025
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