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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Mostly Cloudy

71°F

22°C

Humidity 76%
Wind Speed Calm
Barometer 30.06 in (1017.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 9:52 pm CDT
Extended Forecast for

Wilmette IL

  • Tonight

    Tonight: Mostly clear, with a low around 65. East wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Light and variable wind becoming east southeast 5 to 10 mph in the morning.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. South wind 5 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 70. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 65. East wind around 5 mph becoming calm.
Friday
Sunny, with a high near 80. Light and variable wind becoming east southeast 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 65. South wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 82. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 70. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 87. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75.
Monday
Partly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 72.
Thursday
A chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wilmette IL
 42.08°N 87.72°W
Last Update:
9:56 pm CDT Aug 27, 2026
Forecast Valid:
10pm CDT Aug 27, 2026-6pm CDT Sep 3, 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