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

37°F

3°C

Humidity 89%
Wind Speed NE 12 G 21 mph
Barometer 30.13 in (1021.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 1 Apr 1:51 am CDT
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: Cloudy, with a low around 34. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 3pm. Cloudy, with a high near 43. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 43 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Steady temperature around 40. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 69. Breezy, with an east southeast wind 15 to 20 mph becoming south 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.

    High: 69 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 44. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Showers

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 34. Northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers after 3pm. Cloudy, with a high near 43. East northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Steady temperature around 40. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 69. Breezy, with an east southeast wind 15 to 20 mph becoming south 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 44. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 66.
Friday Night
Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 90%.
Saturday
A chance of showers. Mostly cloudy, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 48. Breezy.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A chance of showers. Partly sunny, with a high near 53.
Monday Night
A chance of showers. Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
1:31 am CDT Apr 1, 2026
Forecast Valid:
2am CDT Apr 1, 2026-6pm CDT Apr 7, 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