National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Coastal Impacts from Nor'Easter; Hurricane Nolo Bring Gusty Winds and Heavy Rain to Hawaii

A nor'easter will continue to bring significant coastal impacts to the Mid-Atlantic and New England into Monday. Moderate to major coastal flooding, heavy rain, strong winds, and high surf are expected. Hurricane Nolo will remain south of the Big Island of Hawaii with gusty winds and heavy rainfall that may bring significant, life-threatening flooding and mudslides through the weekend. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in (1020.0 mb)
Dewpoint 46°F (8°C)
Visibility 4.00 mi
Last update 27 Sep 5:51 am CDT
Extended Forecast for

Winthrop Harbor ILSimilar City Names

  • Today

    Today: Patchy fog before 9am. Otherwise, partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. North northwest wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. North northwest wind around 5 mph becoming northeast in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. East northeast wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Light south southwest wind becoming south 5 to 10 mph in the morning.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Cloudy, with a low around 60.

    Low: 60 °F

    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Cloudy, with a high near 69.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 52. North northwest wind around 5 mph.
Monday
Mostly sunny, with a high near 68. North northwest wind around 5 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 54. East northeast wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 71. Light south southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 59.
Wednesday
A 50 percent chance of showers. Cloudy, with a high near 70.
Wednesday Night
A chance of showers after 1am. Cloudy, with a low around 60.
Thursday
Showers likely, mainly before 1pm. Cloudy, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56.
Friday
A chance of showers. Mostly cloudy, with a high near 64.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor ILSimilar City Names
 42.47°N 87.84°W
Last Update:
5:31 am CDT Sep 27, 2026
Forecast Valid:
6am CDT Sep 27, 2026-6pm CDT Oct 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation