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 87%
Wind Speed N 14 G 24 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 7:53 am CDT
Extended Forecast for

Westchester IL

  • Today

    Today: Partly sunny, with a high near 76. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. East northeast wind around 5 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 76. North northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 63. North wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 79. East northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Thursday Night
A chance of showers before 1am. Partly cloudy, with a low around 65.
Friday
Partly sunny, with a high near 82.
Friday Night
A chance of showers. Partly cloudy, with a low around 67.
Saturday
Partly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
2:46 am CDT Aug 2, 2026
Forecast Valid:
8am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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