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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

70°F

21°C

Humidity 55%
Wind Speed SE 6 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 10 Oct 5:51 pm CDT
Extended Forecast for

Mc Henry IL

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77. Calm wind becoming south around 5 mph in the morning.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 77. Calm wind becoming south around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 60. South wind around 5 mph, with gusts as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 65. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Wednesday
A chance of showers after 1pm. Partly sunny, with a high near 68.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52.
Thursday
A chance of showers. Mostly cloudy, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Henry IL
 42.34°N 88.29°W
Last Update:
2:41 pm CDT Oct 10, 2026
Forecast Valid:
6pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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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