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

63°F

17°C

Humidity 25%
Wind Speed S 15 mph
Barometer 30.05 in (1017.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 29 Mar 4:53 pm CDT
Extended Forecast for

Westchester IL

  • Tonight

    Tonight: Partly cloudy, with a low around 50. South southwest wind 10 to 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 77. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    High: 77 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 40. West wind around 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Cloudy, with a low around 37. Breezy. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Showers. Cloudy, with a high near 52. Breezy.

    High: 52 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. South southwest wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 74. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 77. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 40. West wind around 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 44.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 37. Breezy. Chance of precipitation is 70%.
Thursday
Showers. Cloudy, with a high near 52. Breezy.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 39.
Friday
Mostly cloudy, with a high near 56.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44.
Saturday
Showers likely. Mostly cloudy, with a high near 67.
Saturday Night
Showers likely. Cloudy, with a low around 44.
Sunday
A chance of showers. Mostly cloudy, with a high near 56. Breezy.
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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:
3:41 pm CDT Mar 29, 2026
Forecast Valid:
5pm CDT Mar 29, 2026-6pm CDT Apr 5, 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