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

78°F

26°C

Humidity 52%
Wind Speed Vrbl 3 mph
Barometer 30.01 in (1015.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Jul 9:53 am CDT
Extended Forecast for

Westchester IL

  • Today

    Today: Partly sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. West northwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming south southwest around 5 mph in the morning.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. East southeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 83. West wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 68. West northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 89. Calm wind becoming south southwest around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 70. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A chance of showers. Partly sunny, with a high near 83.
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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:
9:56 am CDT Jul 13, 2025
Forecast Valid:
10am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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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