On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Dangerous heat continues across parts of the Pacific Northwest

Unusually hot weather will persist on Friday and into the weekend across parts of the Pacific Northwest, with high temperatures on Friday in the 90s to around 100 degrees for many locations. Heat Advisories and Excessive Heat Warnings are in effect across the region. Take extra precautions if you work or spend time outside, and know the signs and symptoms of heat exhaustion and heat stroke.
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Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

87°F

31°C

Humidity 32%
Wind Speed NW 14 G 24 mph
Barometer 29.99 in (1014.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 31 Jul 11:53 am CDT
Extended Forecast for

Chicago IL

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 90. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Sunny and
    Breezy

    High: 90 °F

  • Tonight

    Tonight: Mostly clear, with a low around 69. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Clear

    Low: 69 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 89. West wind 10 to 15 mph.

    Mostly Sunny

    High: 89 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. West southwest wind 5 to 10 mph.

    Chance
    T-storms

    Low: 71 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. Southwest wind 10 to 15 mph.

    Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71.

    Chance
    T-storms

    Low: 71 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 86.

    Slight Chance
    T-storms

    High: 86 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 67.

    Partly Cloudy

    Low: 67 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 69. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 89. West wind 10 to 15 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. West southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 10 to 15 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 64.
Thursday
A slight chance of showers. Mostly sunny, with a high near 77.
  Click Map For Forecast
Point Forecast:
Chicago IL
 41.84°N 87.68°W
12:17 pm CDT Jul 31, 2015
12pm CDT Jul 31, 2015-6pm CDT Aug 6, 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database