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.

A Few Clouds

63°F

17°C

Humidity 29%
Wind Speed E 6 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 May 1:53 pm CDT
Extended Forecast for

Westchester IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. East southeast wind around 5 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Increasing clouds, with a low around 51. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 73. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Breezy.

    High: 87 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Breezy.

    High: 89 °F

    Breezy. Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 67. East southeast wind around 5 mph.
Tonight
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 51. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A 40 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 73. South wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Breezy.
Sunday Night
Mostly clear, with a low around 67.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Breezy.
Tuesday
Showers likely. Partly sunny, with a high near 85. Breezy.
Tuesday Night
Showers likely. Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
1:46 pm CDT May 14, 2026
Forecast Valid:
2pm CDT May 14, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation