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 Fog/Mist

41°F

5°C

Humidity 96%
Wind Speed N 6 mph
Barometer 29.60 in (1003.0 mb)
Dewpoint 40°F (4°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 11 Mar 4:53 am CDT
Extended Forecast for

Westchester IL

  • Overnight

    Overnight: Rain and possibly a thunderstorm. Patchy fog. Low around 40. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain, possibly mixed with snow before 4pm, then a chance of snow. Some thunder is also possible. Patchy fog before 7am. Temperature falling to around 36 by 1pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F⇓

    Rain and
    Patchy Fog
    then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Increasing clouds, with a high near 47. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 39. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 49. Windy.

    High: 49 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow. Cloudy, with a high near 42.

    High: 42 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 35.

    Low: 35 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Patchy fog. Low around 40. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, possibly mixed with snow before 4pm, then a chance of snow. Some thunder is also possible. Patchy fog before 7am. Temperature falling to around 36 by 1pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 47. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 39. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 49. Windy.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
A chance of snow. Cloudy, with a high near 42.
Saturday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 35.
Sunday
Rain. Cloudy, with a high near 48. Breezy.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 18. Blustery.
Monday
Mostly cloudy, with a high near 28. Blustery.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
4:11 am CDT Mar 11, 2026
Forecast Valid:
5am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation