Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Mostly Cloudy and Breezy
40°F
4°C
| Humidity | 39% |
| Wind Speed | NW 21 G 29 mph |
| Barometer | 29.90 in |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 14 Jan 2:15 pm CST |
Extended Forecast for
Harrisburg IL
This Afternoon
High: 46 °F
Sunny and
BreezyTonight
Low: 19 °F
Mostly Clear
Thursday
High: 33 °F
Sunny
Thursday Night
Low: 25 °F
Mostly Cloudy
then Chance
Rain/SnowFriday
High: 45 °F
Mostly Cloudy
Friday Night
Low: 23 °F
Mostly Cloudy
Saturday
High: 30 °F
Partly Sunny
Saturday Night
Low: 10 °F
Partly Cloudy
Sunday
High: 25 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 46. Breezy, with a north northwest wind 18 to 20 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 19. Northwest wind 7 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 33. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Thursday Night
A chance of snow showers after midnight, mixing with rain after 3am. Mostly cloudy, with a low around 25. Light south southwest wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 45. West wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 23. West wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 30. West wind 8 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 10. Northwest wind around 7 mph.
Sunday
Mostly sunny, with a high near 25. West northwest wind 6 to 10 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 15. Southwest wind 6 to 9 mph.
M.L.King Day
Mostly sunny, with a high near 30. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 10. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 31. Light and variable wind becoming west 5 to 8 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
1:56 pm CST Jan 14, 2026
2pm CST Jan 14, 2026-6pm CST Jan 20, 2026
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