Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Partly Cloudy

72°F

22°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.81 in (1008.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 12 Aug 2:53 am CDT
Extended Forecast for

Westchester IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Patchy fog.  Otherwise, cloudy, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 3pm. Some of the storms could be severe and produce heavy rainfall.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. North wind around 5 mph becoming east southeast in the evening.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 80. East northeast wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 70. Northeast wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm.  Mostly cloudy, with a high near 84.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 71. South wind around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly before 3pm. Some of the storms could be severe and produce heavy rainfall. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Partly cloudy, with a low around 70. North wind around 5 mph becoming east southeast in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. East northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 80.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70.
Saturday
Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 84.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
1:45 am CDT Aug 12, 2026
3am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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