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.

Mostly Cloudy

57°F

14°C

Humidity 60%
Wind Speed NE 16 mph
Barometer 30.25 in (1024.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 May 8:53 am CDT
Extended Forecast for

Westchester IL

  • Today

    Today: Partly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. East northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 65. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 46. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 62. East northeast wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 50. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. East northeast wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
Mostly cloudy, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Mostly cloudy, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 57.
Memorial Day
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly 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:
4:36 am CDT May 20, 2026
Forecast Valid:
8am CDT May 20, 2026-6pm CDT May 26, 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