Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fog/Mist
36°F
2°C
| Humidity | 100% |
| Wind Speed | E 14 mph |
| Barometer | 29.90 in (1013.4 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 4.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 2 Apr 7:51 am CDT |
Extended Forecast for
McHenry IL
Today
High: 68 °F
Showers and
Patchy FogTonight
Low: 43 °F
Breezy.
Showers
Likely then
Slight Chance
T-stormsFriday
High: 59 °F
Partly Sunny
Friday Night
Low: 40 °F
Showers
Saturday
High: 60 °F
Chance
Showers and
BreezySaturday Night
Low: 33 °F
Mostly Cloudy
Sunday
High: 50 °F
Partly Sunny
Sunday Night
Low: 33 °F
Mostly Clear
Monday
High: 52 °F
Partly Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before noon. High near 68. Breezy, with an east southeast wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 43. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 40. East northeast wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly cloudy, with a high near 60. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 33.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 59. Breezy.
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
8:36 am CDT Apr 2, 2026
8am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
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