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.

Mostly Cloudy

57°F

14°C

Humidity 78%
Wind Speed SW 18 G 28 mph
Barometer 29.63 in (1002.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Nov 1:51 pm CST
Extended Forecast for

Wonder Lake IL

  • This Afternoon

    This Afternoon: A slight chance of drizzle or sprinkles. Cloudy, with a high near 63. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Slight Chance
    Drizzle

  • Tonight

    Tonight: A slight chance of drizzle or sprinkles before 10pm, then a slight chance of rain after 5am. Cloudy, with a low around 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 54. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 7pm. Mostly cloudy, with a low around 36. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of drizzle or sprinkles. Cloudy, with a high near 63. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of drizzle or sprinkles before 10pm, then a slight chance of rain after 5am. Cloudy, with a low around 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Rain likely. Cloudy, with a high near 54. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of rain before 7pm. Mostly cloudy, with a low around 36. North wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 48. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
1:06 pm CST Nov 4, 2026
Forecast Valid:
2pm CST Nov 4, 2026-6pm CST Nov 10, 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