Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
57°F
14°C
| Humidity | 39% |
| Wind Speed | SW 13 G 22 mph |
| Barometer | 29.78 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 13 Jan 8:35 pm CST |
Extended Forecast for
Harrisburg IL
Tonight
Low: 43 °F
Showers
LikelyWednesday
High: 43 °F⇓
Mostly Cloudy
then Partly
Sunny and
BreezyWednesday Night
Low: 18 °F
Mostly Clear
Thursday
High: 32 °F
Sunny
Thursday Night
Low: 23 °F
Partly Cloudy
then Slight
Chance Snow
ShowersFriday
High: 46 °F
Partly Sunny
Friday Night
Low: 21 °F
Mostly Cloudy
Saturday
High: 29 °F
Partly Sunny
Saturday Night
Low: 12 °F
Partly Cloudy
Detailed Forecast
Tonight
Showers likely, mainly before 2am. Cloudy, with a low around 43. West wind 5 to 14 mph. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a temperature falling to around 31 by 5pm. Breezy, with a north northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 18. Northwest wind 6 to 14 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 32. Northwest wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 23. Light south southwest wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 46. West wind 9 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 21. West wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 29. West wind 8 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 12. Northwest wind around 7 mph.
Sunday
Sunny, with a high near 31. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 17. Southwest wind 6 to 8 mph.
M.L.King Day
Mostly sunny, with a high near 35. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 13. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 32. Light and variable wind becoming southwest 5 to 7 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
8:16 pm CST Jan 13, 2026
8pm CST Jan 13, 2026-6pm CST Jan 20, 2026
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