Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy

79°F

26°C

Humidity 58%
Wind Speed S 7 mph
Barometer 30.10 in (1018.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 15 Aug 8:51 am CDT
Extended Forecast for

Gages Lake IL

  • Today

    Today: Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Heat index values as high as 100. South wind 5 to 10 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. South southeast wind around 5 mph becoming north in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 83. East wind 5 to 10 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East southeast wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 100. South wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southeast wind around 5 mph becoming north in the evening.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. East wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Gages Lake IL
 42.35°N 87.97°W
5:56 am CDT Aug 15, 2025
9am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
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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