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

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Mostly Cloudy

72°F

22°C

Humidity 91%
Wind Speed S 6 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 May 12:52 pm CDT
Extended Forecast for

Deerfield IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 2pm. Cloudy, with a high near 75. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.

    High: 75 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Breezy, with a south southwest wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. Northeast wind 10 to 15 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 2pm. Cloudy, with a high near 75. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Breezy, with a south southwest wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 49. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 56. Northeast wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly cloudy, with a high near 64.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deerfield IL
 42.17°N 87.83°W
Last Update:
11:41 am CDT May 18, 2026
Forecast Valid:
1pm CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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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