Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
23°F
-5°C
| Humidity | 68% |
| Wind Speed | NE 6 mph |
| Barometer | 30.26 in (1026.9 mb) |
| Dewpoint | 14°F (-10°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 3 Feb 4:51 pm CST |
Extended Forecast for
McHenry IL
Tonight

Low: 10 °F
Partly Cloudy
Wednesday

High: 25 °F
Mostly Sunny
Wednesday Night

Low: 12 °F
Increasing
CloudsThursday
High: 32 °F
Slight Chance
Snow then
Mostly CloudyThursday Night
Low: 26 °F
Mostly Cloudy
then Chance
SnowFriday
High: 39 °F
Breezy.
Mostly Cloudy
then Slight
Chance SnowFriday Night

Low: 10 °F
Mostly Clear
Saturday

High: 27 °F
Mostly Sunny
Saturday Night

Low: 20 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 10. North northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 25. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Increasing clouds, with a low around 12. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 39. Breezy.
Friday Night
Mostly clear, with a low around 10.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 41.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
McHenry IL
42.34°N 88.26°W
42.34°N 88.26°W
4:01 pm CST Feb 3, 2026
5pm CST Feb 3, 2026-6pm CST Feb 10, 2026


