Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

69°F

21°C

Humidity 70%
Wind Speed S 7 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 19 Jun 8:51 pm CDT
Extended Forecast for

Winthrop Harbor ILSimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Scattered showers between 10am and 1pm.  Partly sunny, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °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 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Southwest wind around 5 mph.
Friday
Scattered showers between 10am and 1pm. Partly sunny, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 76. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 95.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 76.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor ILSimilar City Names
 42.47°N 87.84°W
8:56 pm CDT Jun 19, 2025
9pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
 
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