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.

Overcast

69°F

21°C

Humidity 76%
Wind Speed S 16 G 33 mph
Barometer 29.86 in (1010.4 mb)
Dewpoint 61°F (16°C)
Visibility 5.00 mi
Last update 3 Nov 11:51 am CST
Extended Forecast for

Wonder Lake IL

  • This Afternoon

    This Afternoon: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Rain Likely
    and Breezy

  • Tonight

    Tonight: Rain. Low around 58. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Mostly cloudy, with a temperature falling to around 55 by 5pm. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F⇓

    Rain Likely
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 1am, then a chance of rain after 5am. Mostly cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Cloudy, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain. Low around 58. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a temperature falling to around 55 by 5pm. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain before 1am, then a chance of rain after 5am. Mostly cloudy, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 40.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.39°N 88.38°W
Last Update:
12:21 pm CST Nov 3, 2026
Forecast Valid:
12pm CST Nov 3, 2026-6pm CST Nov 9, 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