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

Fire Weather Concerns in the Northern and Central Plains; Severe Thunderstorms in the Upper Midwest

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through Saturday, where fuels remain largely receptive. Severe thunderstorms are possible across portions of central Nebraska to the Upper Midwest this afternoon into tonight. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

57°F

14°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Sep 6:51 am CDT
Extended Forecast for

Winthrop Harbor ILSimilar City Names

  • Today

    Today: Sunny, with a high near 75. South southwest wind 5 to 10 mph becoming southeast in the afternoon.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Southeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. South southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. North northwest wind 5 to 10 mph.

    Low: 58 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 72. North wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 75. South southwest wind 5 to 10 mph becoming southeast in the afternoon.
Tonight
Partly cloudy, with a low around 62. Southeast wind 5 to 10 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 84. South southwest wind around 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. North northwest wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 72. North wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 58.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58.
Wednesday
A chance of showers. Mostly cloudy, with a high near 71.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59.
Thursday
A chance of showers. Partly sunny, with a high near 75.
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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:
3:10 am CDT Sep 11, 2026
Forecast Valid:
7am CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
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Additional Resources

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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