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

67°F

19°C

Humidity 45%
Wind Speed NE 14 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 May 2:53 pm CDT
Extended Forecast for

Westchester IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 68. East northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 1am. Cloudy, with a low around 55. East northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Cloudy then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 70. North wind 5 to 10 mph.

    High: 70 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 55. East northeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 55 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 68. East northeast wind around 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers after 1am. Cloudy, with a low around 55. East northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 70. North wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 55. East northeast wind 5 to 10 mph becoming light and variable after midnight.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Sunday Night
Mostly clear, with a low around 59.
Memorial Day
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
2:46 pm CDT May 22, 2026
Forecast Valid:
3pm 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