Severe Weather Across the Northern Tier of the Country; Heat Builds Across the Center of the Nation

A frontal boundary will focus the threat for showers and thunderstorms, some severe, across the northern tier of the country through Tuesday. Meanwhile, dangerous heat will expand across the center of the nation through at least the middle of the week. Elevated to critical fire weather conditions will persist across the Great Basin, portions of the Plains and interior Alaska. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed S 16 mph
Barometer 29.86 in (1009.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 4 Jul 7:55 pm CDT
Extended Forecast for

Waukegan IL

Heat Advisory July 5, 12:00pm until July 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 1am and 4am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 74. South southwest wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 74 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93. Heat index values as high as 103. West southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Chance
    T-storms

    High: 93 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 65. Northeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 65 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 8am.  Mostly cloudy, with a high near 76. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Chance
    T-storms

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Northeast wind 5 to 10 mph becoming light  after midnight.

    Chance
    T-storms

    Low: 66 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    Showers
    Likely

    High: 79 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 66 °F

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 76.

    Chance
    Showers

    High: 76 °F

  • Friday
    Night

    Friday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 64.

    Chance
    Showers then
    Partly Cloudy

    Low: 64 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly between 1am and 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. South southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 103. West southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 65. Northeast wind 5 to 10 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly cloudy, with a high near 76. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind 5 to 10 mph becoming light after midnight.
Thursday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 76.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
7:15 pm CDT Jul 4, 2022
8pm CDT Jul 4, 2022-6pm CDT Jul 11, 2022
 
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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