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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

84°F

29°C

Humidity 67%
Wind Speed W 12 G 21 mph
Barometer 29.96 in (1012.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 1 Jul 8:51 am CDT
Extended Forecast for

Fox Lake IL

Extreme Heat Warning July 1, 08:56am until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 1, 08:56am until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • Today

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 92. Heat index values as high as 102. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 75. Southwest wind 5 to 10 mph.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    T-storms
    Likely

  • Independence Day

    Independence Day: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 4pm. Sunny, with a high near 92. Heat index values as high as 102. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 75. Southwest wind 5 to 10 mph.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 69. Chance of precipitation is 70%.
Independence Day
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67.
Sunday
A chance of showers. Partly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fox Lake IL
 42.42°N 88.17°W
Last Update:
5:56 am CDT Jul 1, 2026
Forecast Valid:
8am CDT Jul 1, 2026-6pm CDT Jul 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