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

73°F

23°C

Humidity 66%
Wind Speed S 16 G 26 mph
Barometer 29.75 in (1006.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 6:53 pm CDT
Extended Forecast for

Westchester IL

Flood Watch April 15, 07:47pm until April 16, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 15, 07:47pm until April 16, 01:00am

    NOW until 1:00am Thu

    Flood Watch

  • Tonight

    Low: 60 °F

    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 71. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 48. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 58. Chance of precipitation is 40%.

    High: 58 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms before 5am, then a chance of showers. Low around 60. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 71. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 51. Northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.
Friday
Partly sunny, with a high near 79. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 48. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 58. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.91°W
Last Update:
7:16 pm CDT Apr 15, 2026
Forecast Valid:
7pm CDT Apr 15, 2026-6pm CDT Apr 22, 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