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

Heavy Rainfall Continues in South Florida; Severe Thunderstorms in the Northern High Plains

A stalled front will continue to bring additional heavy to excessive rainfall across South Florida today into Saturday with localized and urban flooding possible. A corridor of strong to severe thunderstorms with hail and damaging wind gusts is forecast today from eastern Montana into western North Dakota. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

72°F

22°C

Humidity 66%
Wind Speed NE 10 mph
Barometer 30.22 in (1022.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 11 Sep 3:51 pm CDT
Extended Forecast for

Wonder Lake IL

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 55. East northeast wind 5 to 10 mph becoming light in the evening.

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. East wind around 5 mph becoming south in the afternoon.

    High: 84 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. South southeast wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 55. East northeast wind 5 to 10 mph becoming light in the evening.
Friday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. East wind around 5 mph becoming south in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. East southeast wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 64. South southeast wind around 5 mph.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.39°N 88.38°W
Last Update:
4:12 pm CDT Sep 11, 2025
Forecast Valid:
4pm CDT Sep 11, 2025-6pm CDT Sep 18, 2025
 
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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