Coastal Storm Impacting the Mid-Atlantic; Remaining Unseasonably Warm in the Central U.S.

A coastal storm will bring widespread rain, gusty winds, shallow coastal flooding, rip currents, large surf and possible areal flooding over the Mid-Atlantic region through Wednesday. Unseasonably warm to hot temperatures persist in the mid to upper Mississippi Valley, Ohio Valley, and into the Great Lakes and Northeast U.S. through Friday. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

75°F

24°C

Humidity 50%
Wind Speed E 3 mph
Barometer 30.17 in (1020.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Sep 5:51 pm CDT
Extended Forecast for

Winthrop Harbor ILSimilar City Names

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 59. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. East southeast wind around 5 mph becoming calm.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 59. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 62. East southeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 76. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 63. Northeast wind around 5 mph, with gusts as high as 10 mph.
Friday
Mostly sunny, with a high near 75.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 75.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 63.
Sunday
A chance of showers after 1pm. Partly sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65.
Monday
A chance of showers. Partly sunny, with a high near 78.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor ILSimilar City Names
 42.47°N 87.84°W
4:11 pm CDT Sep 16, 2025
6pm CDT Sep 16, 2025-6pm CDT Sep 23, 2025
 
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