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

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Freezing Fog

31°F

-1°C

Humidity 96%
Wind Speed S 7 mph
Barometer 29.90 in (1013.5 mb)
Dewpoint 30°F (-1°C)
Visibility 0.13 mi
Wind Chill24°F (-4°C)
Last update 27 Feb 6:53 am CST
Extended Forecast for

Chicago IL

Dense Fog Advisory February 27, 06:57am until February 27, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory February 27, 06:57am until February 27, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 62 °F

    Patchy Dense
    Fog then
    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after 3pm. Increasing clouds, with a high near 37. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 25. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 32. Northeast wind 10 to 15 mph.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 62. Breezy, with a southwest wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
Partly cloudy, with a low around 32. Southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.
Saturday
A 40 percent chance of snow, mainly after 3pm. Increasing clouds, with a high near 37. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 25. North wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 32. Northeast wind 10 to 15 mph.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 37.
Monday Night
A chance of rain after midnight. Mostly cloudy, with a low around 30.
Tuesday
A chance of rain. Mostly cloudy, with a high near 40.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45.
Wednesday Night
Rain likely. Cloudy, with a low around 40.
Thursday
Rain likely. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
6:46 am CST Feb 27, 2026
Forecast Valid:
6am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation