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.

Overcast

53°F

12°C

Humidity 74%
Wind Speed NE 13 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 22 May 4:53 am CDT
Extended Forecast for

Westchester IL

  • Today

    Today: Mostly cloudy, with a high near 68. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after 9pm. Mostly cloudy, with a low around 54. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 71. Northeast wind 5 to 10 mph.

    High: 71 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

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

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 68. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers after 9pm. Mostly cloudy, with a low around 54. East wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, with a high near 71. Northeast wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Sunday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 57.
Memorial Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
3:26 am CDT May 22, 2026
Forecast Valid:
5am CDT May 22, 2026-6pm CDT May 28, 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