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.

Fair

61°F

16°C

Humidity 63%
Wind Speed E 9 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Apr 1:51 pm CDT
Extended Forecast for

Wonder Lake IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. East northeast wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. East wind around 5 mph becoming south after midnight.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 9pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 72. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. East northeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 52. East wind around 5 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 80. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A slight chance of showers and thunderstorms between 9pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 72. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 65.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 50.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 47. Breezy.
Tuesday
Partly sunny, with a high near 61. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
1:56 pm CDT Apr 22, 2026
Forecast Valid:
2pm CDT Apr 22, 2026-6pm CDT Apr 28, 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