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.

Overcast

67°F

19°C

Humidity 93%
Wind Speed N 3 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 65°F (18°C)
Visibility 9.00 mi
Last update 14 Oct 1:53 am CDT
Extended Forecast for

Westchester IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 63. North northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 10am. Mostly cloudy, with a temperature falling to around 61 by 5pm. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 64 °F⇓

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 58. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 60. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.

    High: 60 °F

    Rain Likely
    then Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 50. West southwest wind 5 to 10 mph becoming northwest 10 to 15 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 63. North northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers, mainly before 10am. Mostly cloudy, with a temperature falling to around 61 by 5pm. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 58. Northeast wind around 10 mph, with gusts as high as 15 mph.
Thursday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 60. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Thursday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 50. West southwest wind 5 to 10 mph becoming northwest 10 to 15 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 55. Breezy.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 56.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
1:21 am CDT Oct 14, 2026
Forecast Valid:
1am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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