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.

Fog/Mist

44°F

7°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.68 in (1005.5 mb)
Dewpoint 44°F (7°C)
Visibility 4.00 mi
Wind Chill41°F (5°C)
Last update 26 Dec 9:52 am CST
Extended Forecast for

Deerfield IL

Dense Fog Advisory December 26, 10:40am until December 26, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 26, 10:40am until December 26, 11:00am

    NOW until 11:00am Fri

    Dense Fog Advisory

  • Today

    High: 45 °F

    Areas Dense
    Fog then
    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 43. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 43 °F

    Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly after midnight. Cloudy, with a low around 41. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after noon. Cloudy, with a high near 55. South wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow showers before 3am, then a chance of snow showers. Cloudy, with a low around 21. Blustery. Chance of precipitation is 60%.

    Low: 21 °F

    Rain/Snow
    Likely and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 27. Blustery.

    High: 27 °F

    Blustery.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of dense fog before noon. Otherwise, cloudy, with a high near 45. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Cloudy, with a high near 43. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 50 percent chance of showers, mainly after midnight. Cloudy, with a low around 41. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Showers likely, mainly after noon. Cloudy, with a high near 55. South wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
Rain likely, possibly mixed with snow showers before 3am, then a chance of snow showers. Cloudy, with a low around 21. Blustery. Chance of precipitation is 60%.
Monday
A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 27. Blustery.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 11.
New Year's Day
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deerfield IL
 42.17°N 87.86°W
Last Update:
10:21 am CST Dec 26, 2025
Forecast Valid:
10am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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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