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.

Light Rain

71°F

22°C

Humidity 87%
Wind Speed W 3 mph
Barometer 29.77 in (1006.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 2:53 am CDT
Extended Forecast for

Westchester IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind around 5 mph.

    Low: 71 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 78. South wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. West northwest wind around 10 mph.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Southwest wind 5 to 10 mph.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 78. South wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. West northwest wind around 10 mph.
Juneteenth
Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 66. Southwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 95.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A chance of showers. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
12:41 am CDT Jun 18, 2025
Forecast Valid:
3am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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