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 76%
Wind Speed W 9 mph
Barometer 29.89 in (1011.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Apr 3:53 am CDT
Extended Forecast for

Westchester IL

  • Today

    Today: Partly sunny, with a high near 73. West southwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Northeast wind 5 to 10 mph becoming south after midnight.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. South wind around 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. West southwest wind 5 to 10 mph becoming northeast in the afternoon.
Tonight
Partly cloudy, with a low around 56. Northeast wind 5 to 10 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind around 15 mph, with gusts as high as 25 mph.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. South wind around 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 53.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
4:26 am CDT Apr 22, 2026
Forecast Valid:
4am CDT Apr 22, 2026-6pm CDT Apr 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