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

75°F

24°C

Humidity 54%
Wind Speed SW 18 G 31 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Apr 10:53 am CDT
Extended Forecast for

Westmont IL

  • Today

    Today: Isolated showers after 5pm. Mostly cloudy, with a high near 79. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 10%.

    High: 79 °F

    Isolated
    Showers and
    Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then scattered showers between midnight and 1am. Low around 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers and
    Breezy then
    Scattered
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 81 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms then
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    T-storms
    Likely

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
Isolated showers after 5pm. Mostly cloudy, with a high near 79. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 10%.
Tonight
Showers and possibly a thunderstorm before midnight, then scattered showers between midnight and 1am. Low around 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 67. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 61.
Thursday
A chance of showers. Partly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 57.
Friday
A chance of showers. Partly sunny, with a high near 82.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 57.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Westmont IL
 41.8°N 87.97°W
Last Update:
10:41 am CDT Apr 12, 2026
Forecast Valid:
11am CDT Apr 12, 2026-6pm CDT Apr 18, 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