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

71°F

22°C

Humidity 79%
Wind Speed S 13 G 26 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 May 7:53 pm CDT
Extended Forecast for

Downers Grove IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 68. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Increasing clouds, with a high near 80. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 80 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 50. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 68. South wind around 15 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Increasing clouds, with a high near 80. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 50. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 44. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 65.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
Mostly cloudy, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 58.
Memorial Day
Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Downers Grove IL
 41.8°N 88°W
Last Update:
3:26 pm CDT May 18, 2026
Forecast Valid:
8pm CDT May 18, 2026-6pm CDT May 25, 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