National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

73°F

23°C

Humidity 74%
Wind Speed SW 20 G 29 mph
Barometer 29.88 in (1011.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 May 10:51 am CDT
Extended Forecast for

Mc Henry IL

  • Today

    Today: A 20 percent chance of showers before noon. Mostly cloudy, with a temperature falling to around 72 by 4pm. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 76 °F⇓

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. North wind around 10 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Northeast wind 5 to 15 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 60. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers before noon. Mostly cloudy, with a temperature falling to around 72 by 4pm. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
Partly cloudy, with a low around 46. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 58. North wind around 10 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 41. Northeast wind 5 to 15 mph.
Thursday
Partly sunny, with a high near 60. East wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48.
Saturday
Mostly cloudy, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 55.
Memorial Day
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Henry IL
 42.34°N 88.29°W
Last Update:
11:06 am CDT May 19, 2026
Forecast Valid:
11am CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation