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

52°F

11°C

Humidity 59%
Wind Speed S 9 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 30 Mar 5:53 am CDT
Extended Forecast for

Westchester IL

  • Today

    Today: Mostly sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 38. West northwest wind around 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 44. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Showers

  • Thursday

    Thursday: Showers. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers after 1pm. Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 38. West northwest wind around 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 44. Northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers. Low around 39. Chance of precipitation is 90%.
Thursday
Showers. High near 64. Chance of precipitation is 90%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 46.
Friday
A chance of showers after 1pm. Mostly cloudy, with a high near 59.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 44.
Saturday
Showers likely. Mostly cloudy, with a high near 64.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 51.
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:
5:21 am CDT Mar 30, 2026
Forecast Valid:
6am CDT Mar 30, 2026-6pm CDT Apr 5, 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