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.

Overcast

63°F

17°C

Humidity 87%
Wind Speed N 6 mph
Barometer 30.07 in (1017.3 mb)
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Last update 6 Oct 10:51 pm CDT
Extended Forecast for

Mc Henry IL

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 54. North northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Showers
    Likely then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. North northwest wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 54. North northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 42. North northwest wind around 5 mph.
Wednesday
Sunny, with a high near 64. Northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Mostly clear, with a low around 41. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 54.
Columbus Day
Mostly sunny, with a high near 74.
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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:
9:41 pm CDT Oct 6, 2025
Forecast Valid:
11pm CDT Oct 6, 2025-6pm CDT Oct 13, 2025
 
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