Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Mostly Cloudy
33°F
1°C
| Humidity | 75% |
| Wind Speed | N 17 G 28 mph |
| Barometer | 30.00 in (1016.9 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 22 Mar 6:51 pm CDT |
Extended Forecast for
McHenry IL
Tonight
Low: 25 °F
Slight Chance
Showers then
Partly CloudyMonday
High: 45 °F
Sunny
Monday Night
Low: 28 °F
Mostly Cloudy
Tuesday
High: 53 °F
Mostly Cloudy
Tuesday Night
Low: 37 °F
Mostly Cloudy
Wednesday
High: 58 °F
Mostly Cloudy
Wednesday Night
Low: 45 °F
Mostly Cloudy
Thursday
High: 69 °F
Mostly Cloudy
Thursday Night
Low: 29 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 25. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 45. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 28. East southeast wind 5 to 10 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 53. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly cloudy, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
McHenry IL
42.34°N 88.26°W
42.34°N 88.26°W
7:30 pm CDT Mar 22, 2026
7pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
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