Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
25°F
-4°C
| Humidity | 27% |
| Wind Speed | NW 14 G 23 mph |
| Barometer | 30.41 in |
| Dewpoint | -4°F (-20°C) |
| Visibility | 10.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 19 Jan 1:15 pm CST |
Extended Forecast for
Harrisburg IL
M.L.King Day
High: 24 °F
Mostly Sunny
Tonight
Low: 11 °F
Clear
Tuesday
High: 36 °F
Sunny
Tuesday Night
Low: 27 °F
Partly Cloudy
Wednesday
High: 46 °F
Slight Chance
Rain/Snow
then Mostly
SunnyWednesday Night
Low: 26 °F
Mostly Clear
Thursday
High: 39 °F
Mostly Sunny
Thursday Night
Low: 15 °F
Partly Cloudy
Friday
High: 25 °F
Mostly Cloudy
Detailed Forecast
M.L.King Day
Mostly sunny, with a high near 24. Northwest wind 7 to 15 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 11. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 36. Calm wind becoming south southwest 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 27. South wind 6 to 14 mph, with gusts as high as 26 mph.
Wednesday
A slight chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and noon. Mostly sunny, with a high near 46. South southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 26. Southwest wind around 5 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 39. North northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 15. Calm wind becoming north northeast 5 to 7 mph after midnight.
Friday
Mostly cloudy, with a high near 25. North wind 8 to 11 mph, with gusts as high as 18 mph.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 5. North northeast wind around 10 mph, with gusts as high as 21 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 17. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 7. North wind around 7 mph.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 24. North wind 5 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
1:06 pm CST Jan 19, 2026
1pm CST Jan 19, 2026-6pm CST Jan 25, 2026
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