Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Fog

48°F

9°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 48°F (9°C)
Visibility 0.25 mi
Wind Chill46°F (8°C)
Last update 17 Apr 3:53 am CDT
Extended Forecast for

Westchester IL

Dense Fog Advisory April 17, 04:39am until April 17, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory April 17, 04:39am until April 17, 10:00am

    NOW until 10:00am Fri

    Dense Fog Advisory

  • Today

    High: 82 °F

    Dense Fog
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers after 3am. Some of the storms could produce heavy rainfall.  Low around 45. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 45 °F

    Heavy Rain
    and Breezy
    then Heavy
    Rain

  • Saturday

    Saturday: A 20 percent chance of showers before 10am.  Cloudy, then gradually becoming mostly sunny, with a steady temperature around 48. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 5am.  Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 7am.  Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread dense fog, mainly before 8am. Otherwise, partly sunny, with a high near 82. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers after 3am. Some of the storms could produce heavy rainfall. Low around 45. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 20 percent chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a steady temperature around 48. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 37. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 51. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
3:46 am CDT Apr 17, 2026
4am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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