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.

Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed E 6 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 68°F (20°C)
Visibility 3.00 mi
Last update 5 Jul 12:53 am CDT
Extended Forecast for

Westmont IL

Flood Warning July 5, 01:13am until July 5, 11:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning July 5, 01:13am until July 5, 11:00am

    NOW until 11:00am Sun

    Flood Warning

  • Overnight

    Low: 67 °F

    Slight Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. North northeast wind 5 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 20 percent chance of showers after 2am. Areas of fog. Otherwise, mostly cloudy, with a low around 67. North northwest wind around 5 mph.
Sunday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 65. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 80. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 63. North northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 66.
Friday
Partly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
1:11 am CDT Jul 5, 2026
Forecast Valid:
1am CDT Jul 5, 2026-6pm CDT Jul 11, 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