Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
10°F
-12°C
| Humidity | 47% |
| Wind Speed | W 10 mph |
| Barometer | 30.52 in |
| Dewpoint | -6°F (-21°C) |
| Visibility | 10.00 mi |
| Wind Chill | -4°F (-20°C) |
| Last update | 26 Jan 12:35 pm CST |
Extended Forecast for
Harrisburg IL
Extreme Cold Warning January 26, 12:44pm until January 27, 10:00am
NOW until 10:00am Tue

Extreme Cold Warning
This Afternoon

High: 13 °F
Sunny
Tonight

Low: 7 °F⇑
Mostly Clear
Tuesday

High: 30 °F
Mostly Sunny
Tuesday Night

Low: -1 °F
Partly Cloudy
Wednesday

High: 28 °F
Mostly Sunny
Wednesday Night

Low: 10 °F
Mostly Cloudy
Thursday

High: 22 °F
Mostly Cloudy
Thursday Night

Low: 2 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Sunny, with a high near 13. Wind chill values as low as -6. West wind 6 to 11 mph becoming light west southwest.
Tonight
Mostly clear, with a temperature rising to around 11 by 4am. Wind chill values as low as -10. Light southwest wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 22 mph.
Tuesday
Mostly sunny, with a high near 30. Wind chill values as low as -1. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around -1. Light north northwest wind.
Wednesday
Mostly sunny, with a high near 28. Calm wind becoming west around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 10. Calm wind.
Thursday
Mostly cloudy, with a high near 22. Calm wind becoming north around 5 mph.
Thursday Night
Mostly cloudy, with a low around 2. Light north wind.
Friday
Partly sunny, with a high near 15. North wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around -1. North northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 19. Northwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 2. Light west northwest wind.
Sunday
Mostly sunny, with a high near 26. Light and variable wind becoming west around 6 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
12:31 pm CST Jan 26, 2026
12pm CST Jan 26, 2026-6pm CST Feb 1, 2026



