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

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

76°F

24°C

Humidity 45%
Wind Speed SE 10 G 21 mph
Barometer 30.05 in (1016.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 May 4:51 pm CDT
Extended Forecast for

2 Miles NNE Winthrop Harbor IL

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Southwest wind 5 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Light and variable wind becoming northeast 10 to 15 mph in the morning.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. North wind 10 to 15 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. Northeast wind around 15 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. North wind 5 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. North wind 5 to 10 mph becoming east in the afternoon.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 73. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 58. South wind 5 to 10 mph becoming northwest after midnight.
Wednesday
Partly sunny, with a high near 68. Light and variable wind becoming northeast 10 to 15 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 51. North wind 10 to 15 mph.
Thursday
Sunny, with a high near 60. Northeast wind around 15 mph.
Thursday Night
Mostly clear, with a low around 50. North wind 5 to 10 mph.
Friday
Sunny, with a high near 65. North wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Winthrop Harbor IL
 42.52°N 87.81°W (Elev. 577 ft)
Last Update:
2:32 pm CDT May 25, 2026
Forecast Valid:
4pm CDT May 25, 2026-6pm CDT Jun 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation