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

70°F

21°C

Humidity 82%
Wind Speed SW 17 G 25 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 May 8:53 am CDT
Extended Forecast for

Westchester IL

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 78 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 50. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 50. North wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 58. Northeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 45. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 63. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 65. Chance of precipitation is 60%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 52.
Saturday
Mostly cloudy, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 58.
Memorial Day
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
8:41 am CDT May 19, 2026
Forecast Valid:
9am CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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