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

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

66°F

19°C

Humidity 75%
Wind Speed Calm
Barometer 30.05 in (1017.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 29 Jul 10:52 pm CDT
Extended Forecast for

Deerfield IL

  • Tonight

    Tonight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. Southwest wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 80. South southwest wind 5 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 64. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Calm wind.
Thursday
Sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 66. Southwest wind around 5 mph.
Friday
Showers likely, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 80. South southwest wind 5 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 64. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deerfield IL
 42.17°N 87.86°W
Last Update:
8:31 pm CDT Jul 29, 2026
Forecast Valid:
11pm CDT Jul 29, 2026-6pm CDT Aug 5, 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