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.

Thunderstorm Light Rain Fog/Mist

42°F

6°C

Humidity 92%
Wind Speed NE 7 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 40°F (4°C)
Visibility 6.00 mi
Wind Chill38°F (3°C)
Last update 3 Apr 11:53 pm CDT
Extended Forecast for

Westchester IL

Flood Watch April 4, 12:41am until April 4, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 4, 12:41am until April 4, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Overnight

    Low: 42 °F⇑

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 7am. Cloudy, with a high near 58. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 36 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 52 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Temperature rising to around 50 by 5am. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 7am. Cloudy, with a high near 58. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 65. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52.
Thursday
A chance of showers. Mostly cloudy, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
A chance of showers. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
12:01 am CDT Apr 4, 2026
Forecast Valid:
12am CDT Apr 4, 2026-6pm CDT Apr 10, 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