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 68%
Wind Speed SW 16 G 25 mph
Barometer 29.78 in (1007.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 2:53 am CDT
Extended Forecast for

Westchester IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 66. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 74. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 3am, then a chance of showers. Low around 36. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 7am. Cloudy, with a high near 43. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 43 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 40. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 40 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 71. Breezy. Chance of precipitation is 90%.

    High: 71 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Friday

    Friday: A chance of showers after 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 66. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 74. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms before 3am, then a chance of showers. Low around 36. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly after 7am. Cloudy, with a high near 43. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 40. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm. High near 71. Breezy. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 51. Chance of precipitation is 80%.
Friday
A chance of showers after 1pm. Partly sunny, with a high near 66.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50.
Saturday
Showers. Mostly cloudy, with a high near 66. Breezy.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 49.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 52.
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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:
3:21 am CDT Mar 31, 2026
Forecast Valid:
3am CDT Mar 31, 2026-6pm CDT Apr 6, 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