Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
9°F
-13°C
| Humidity | 48% |
| Wind Speed | W 12 mph |
| Barometer | 30.54 in |
| Dewpoint | -7°F (-22°C) |
| Visibility | 10.00 mi |
| Wind Chill | -6°F (-21°C) |
| Last update | 26 Jan 11:15 am CST |
Extended Forecast for
Harrisburg IL
Extreme Cold Warning January 26, 11:23am until January 27, 10:00am
NOW until 10:00am Tue

Extreme Cold Warning
Today

High: 13 °F
Sunny
Tonight

Low: 1 °F⇑
Mostly Clear
Tuesday

High: 29 °F
Sunny
Tuesday Night

Low: -3 °F
Partly Cloudy
Wednesday

High: 27 °F
Mostly Sunny
Wednesday Night

Low: 3 °F
Partly Cloudy
Thursday

High: 21 °F
Mostly Cloudy
Thursday Night

Low: 2 °F
Mostly Cloudy
Detailed Forecast
Today
Sunny, with a high near 13. Wind chill values as low as -6. West northwest wind 5 to 10 mph becoming light west southwest in the afternoon.
Tonight
Mostly clear, with a temperature rising to around 8 by 3am. Wind chill values as low as -12. Light southwest wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 29. Wind chill values as low as -6. Southwest wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around -3. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 27. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 3. Light and variable wind.
Thursday
Mostly cloudy, with a high near 21. Light north wind.
Thursday Night
Mostly cloudy, with a low around 2. Light north wind.
Friday
Mostly sunny, with a high near 18. North wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around -3. Northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 21. Northwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 3. Calm wind.
Sunday
Partly sunny, with a high near 28. Calm wind becoming south southwest 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
11:01 am CST Jan 26, 2026
11am CST Jan 26, 2026-6pm CST Feb 1, 2026



