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.

Rain Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed E 16 G 25 mph
Barometer 30.00 in (1016.8 mb)
Dewpoint 34°F (1°C)
Visibility 4.00 mi
Wind Chill25°F (-4°C)
Last update 2 Apr 3:51 am CDT
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 35. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 67. Breezy, with an east wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 67 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 40. East northeast wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    Low: 40 °F

    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 59. Breezy. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 35. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 67. Breezy, with an east wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 40. East northeast wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Saturday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 59. Breezy. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 33.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 59. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
3:36 am CDT Apr 2, 2026
Forecast Valid:
4am CDT Apr 2, 2026-6pm CDT Apr 8, 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