Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Mostly Cloudy
46°F
8°C
| Humidity | 34% |
| Wind Speed | SW 8 mph |
| Barometer | 30.29 in (1026.8 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 24 Mar 1:51 pm CDT |
Extended Forecast for
McHenry IL
This Afternoon

High: 50 °F
Mostly Cloudy
Tonight

Low: 35 °F
Mostly Cloudy
Wednesday

High: 68 °F
Partly Sunny
Wednesday Night

Low: 51 °F
Mostly Cloudy
Thursday
High: 74 °F
Mostly Sunny
then Chance
ShowersThursday Night

Low: 29 °F
Slight Chance
ShowersFriday

High: 43 °F
Mostly Sunny
Friday Night

Low: 26 °F
Mostly Clear
Saturday

High: 52 °F
Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 50. South southwest wind around 10 mph.
Tonight
Mostly cloudy, with a low around 35. Southeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 68. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 51. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A 50 percent chance of showers after 1pm. Partly sunny, with a high near 74. South southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 65.
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
1:30 pm CDT Mar 24, 2026
1pm CDT Mar 24, 2026-6pm CDT Mar 30, 2026


