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.

Overcast

38°F

3°C

Humidity 97%
Wind Speed N 8 mph
Barometer 29.66 in (1005.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Mar 2:51 am CDT
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a steady temperature around 40. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: Rain before noon, then snow. Patchy fog before 7am. Temperature falling to around 33 by noon. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 36 °F⇓

    Rain and
    Patchy Fog
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 45. Windy.

    High: 45 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Cloudy, with a high near 40.

    High: 40 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a steady temperature around 40. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Rain before noon, then snow. Patchy fog before 7am. Temperature falling to around 33 by noon. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of rain and snow before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Thursday
Increasing clouds, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 45. Windy.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A chance of snow after 1pm. Cloudy, with a high near 40.
Saturday Night
A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 31.
Sunday
Rain and snow. Cloudy, with a high near 41. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 14. Blustery.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
2:51 am CDT Mar 11, 2026
Forecast Valid:
3am CDT Mar 11, 2026-6pm CDT Mar 17, 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