Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

70°F

21°C

Humidity 76%
Wind Speed SW 6 mph
Barometer 29.96 in (1013.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 6:51 am CDT
Extended Forecast for

North Chicago IL

Heat Advisory June 21, 10:00am until June 24, 12:00am
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A chance of showers between 10am and 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 102. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy
    then Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 80.

    High: 80 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers between 10am and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tonight
Partly cloudy, with a low around 72. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 102. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 77. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 95. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 95.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 77.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
North Chicago IL
 42.32°N 87.85°W
4:41 am CDT Jun 20, 2025
7am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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Additional Resources

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