Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
A Few Clouds
88°F
31°C
| Humidity | 63% |
| Wind Speed | SW 15 mph |
| Barometer | 29.69 in (1004.0 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 10 Jun 2:51 pm CDT |
Extended Forecast for
McHenry IL
Severe T-storm Watch June 10, 03:43pm until June 10, 07:00pm
NOW until 7:00pm Wed

Severe T-storm Watch
This Afternoon

High: 91 °F
Severe
Thunderstorms
and BreezyTonight

Low: 67 °F
Severe
ThunderstormsThursday
High: 86 °F
Partly Sunny
then Heavy
Rain and
BreezyThursday Night
Low: 57 °F
Heavy Rain
and Breezy
then Partly
CloudyFriday

High: 80 °F
Sunny
Friday Night

Low: 61 °F
Mostly Clear
Saturday

High: 84 °F
Sunny
Saturday Night

Low: 57 °F
Showers
Likely
Detailed Forecast
This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Some of the storms could be severe and produce heavy rainfall. Partly sunny, with a high near 91. Heat index values as high as 99. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Mostly cloudy, with a low around 67. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Low around 57. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Friday
Sunny, with a high near 80. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 84.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
A chance of showers. Mostly sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
McHenry IL
42.32°N 88.26°W
42.32°N 88.26°W
3:02 pm CDT Jun 10, 2026
3pm CDT Jun 10, 2026-6pm CDT Jun 16, 2026



