Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
15°F
-9°C
| Humidity | 84% |
| Wind Speed | NW 6 mph |
| Barometer | 30.17 in (1023.6 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 6°F (-14°C) |
| Last update | 3 Feb 4:51 am CST |
Extended Forecast for
McHenry IL
Today
High: 24 °F
Sunny
Tonight
Low: 8 °F
Partly Cloudy
Wednesday
High: 25 °F
Mostly Sunny
Wednesday Night
Low: 10 °F
Increasing
CloudsThursday
High: 32 °F
Mostly Cloudy
Thursday Night
Low: 26 °F
Mostly Cloudy
Friday
High: 38 °F
Partly Sunny
Friday Night
Low: 14 °F
Partly Cloudy
Saturday
High: 27 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 24. North wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 8. Wind chill values as low as zero. North northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 25. Wind chill values as low as -2. North northwest wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 10. Northwest wind around 5 mph becoming calm.
Thursday
Mostly cloudy, with a high near 32. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 32.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
McHenry IL
42.34°N 88.26°W
42.34°N 88.26°W
4:51 am CST Feb 3, 2026
4am CST Feb 3, 2026-6pm CST Feb 9, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
