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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Light Rain

58°F

14°C

Humidity 100%
Wind Speed E 12 mph
Barometer 29.73 in (1006.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 12:51 am CDT
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 58. South wind 5 to 10 mph.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 68. South southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. North northeast wind around 5 mph becoming southeast after midnight.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 77. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 44. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    Low: 44 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 55.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 2am. Otherwise, partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy
    then Patchy
    Frost

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 58. South wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 68. South southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 49. North northeast wind around 5 mph becoming southeast after midnight.
Friday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 77. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 44. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 50.
Sunday Night
Patchy frost after 2am. Otherwise, partly cloudy, with a low around 30.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
12:45 am CDT Apr 16, 2026
Forecast Valid:
1am CDT Apr 16, 2026-6pm CDT Apr 22, 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