Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Light Rain Fog/Mist
41°F
5°C
| Humidity | 96% |
| Wind Speed | N 14 G 24 mph |
| Barometer | 29.70 in (1006.4 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 3.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 10 Mar 8:51 pm CDT |
Extended Forecast for
McHenry IL
Severe T-storm Watch March 10, 09:35pm until March 11, 12:00am
NOW until 12:00am Wed
Severe T-storm Watch
Tonight
Low: 37 °F
T-storms and
Patchy FogWednesday
High: 38 °F
Showers
Likely then
Rain/Snow
Likely and
BreezyWednesday Night
Low: 25 °F
Decreasing
CloudsThursday
High: 46 °F
Increasing
CloudsThursday Night
Low: 38 °F
Showers
Likely and
BreezyFriday
High: 46 °F
Partly Sunny
and BreezyFriday Night
Low: 27 °F
Mostly Cloudy
Saturday
High: 43 °F
Chance Snow
Showers
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 11pm, then showers and thunderstorms likely, mainly between 11pm and 1am. Patchy fog after 10pm. Low around 37. Northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and snow showers likely before 4pm, then a slight chance of rain showers. Cloudy, with a high near 38. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 38. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 46. Breezy.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A chance of snow showers. Cloudy, with a high near 43.
Saturday Night
Rain and snow showers likely, mainly after 1am. Cloudy, with a low around 33.
Sunday
Rain and snow showers. Cloudy, with a high near 42.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 31.
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
6:31 pm CDT Mar 10, 2026
9pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
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