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.

Mostly Cloudy

67°F

19°C

Humidity 73%
Wind Speed W 9 mph
Barometer 29.78 in (1008.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 12:51 pm CDT
Extended Forecast for

Wonder Lake IL

  • This Afternoon

    This Afternoon: Isolated showers. Partly sunny, with a high near 69. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 69 °F

    Isolated
    Showers

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. North wind around 5 mph becoming southeast after midnight.

    Low: 50 °F

    Patchy Fog

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 78. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Patchy Fog
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then showers after 1am. Low around 43. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 43 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

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

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 1am. Otherwise, mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
Isolated showers. Partly sunny, with a high near 69. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. North wind around 5 mph becoming southeast after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 78. Breezy, with a south wind 10 to 15 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 1am, then showers after 1am. Low around 43. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Areas of frost after 1am. Otherwise, mostly clear, with a low around 29.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 69.
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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:
1:46 pm CDT Apr 16, 2026
Forecast Valid:
1pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation