Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Partly Cloudy
12°F
-11°C
| Humidity | 70% |
| Wind Speed | NW 9 mph |
| Barometer | 30.21 in |
| Dewpoint | 4°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 25 Jan 7:35 pm CST |
Extended Forecast for
Harrisburg IL
Cold Weather Advisory January 25, 07:51pm until January 26, 12:00am
Extreme Cold Warning January 26, 12:00am until January 27, 10:00am
NOW until 12:00am Mon

Cold Weather Advisory
Tonight

Low: -7 °F
Decreasing
CloudsMonday

High: 12 °F
Sunny
Monday Night

Low: 2 °F⇑
Mostly Clear
Tuesday

High: 28 °F
Sunny
Tuesday Night

Low: -3 °F
Partly Cloudy
Wednesday

High: 25 °F
Mostly Sunny
Wednesday Night

Low: 1 °F
Partly Cloudy
Thursday

High: 19 °F
Partly Sunny
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around -7. Wind chill values as low as -18. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 12. Wind chill values as low as -20. West northwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a temperature falling to near 2 by 10pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -11. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 28. Wind chill values as low as -6. Southwest wind 5 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around -3. Light north northwest wind.
Wednesday
Mostly sunny, with a high near 25. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 1. Light and variable wind.
Thursday
Partly sunny, with a high near 19. North northwest wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 2. Light north wind.
Friday
Partly sunny, with a high near 19. North wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around -1. Light north wind.
Saturday
Mostly sunny, with a high near 21. Northwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 2. Light and variable wind.
Sunday
Partly sunny, with a high near 27. South southwest wind 3 to 6 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
7:32 pm CST Jan 25, 2026
7pm CST Jan 25, 2026-6pm CST Feb 1, 2026



