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.

Above-normal temperatures continue across much of U.S.

Temperatures will once again be above-normal, in some cases by as much as 15-20 degrees, across much of the contiguous U.S. on Wednesday. Afternoon highs are forecast to reach into the mid to upper 90s across the Great Plains, as well as parts of the southern U.S. and mid-Atlantic. Take precautions if you plan to spend extended time outside.
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Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

88°F

31°C

Humidity 54%
Wind Speed W 10 mph
Barometer 30.03 in (1015.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 2 Sep 11:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: Mostly sunny, with a high near 92. Heat index values as high as 96. Southwest wind around 10 mph.

    Mostly Sunny

    High: 92 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 74. Southwest wind around 5 mph.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 74 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    Slight Chance
    T-storms

    High: 88 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 71. East southeast wind around 5 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 71 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

    Slight Chance
    T-storms

    High: 84 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 71.

    Partly Cloudy

    Low: 71 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    Mostly Sunny

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    Mostly Sunny

    High: 87 °F

Detailed Forecast

Today
Mostly sunny, with a high near 92. Heat index values as high as 96. Southwest wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 74. Southwest wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 71. East southeast wind around 5 mph becoming calm after midnight.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 72.
Labor Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
  Click Map For Forecast
Point Forecast:
Chicago IL
 41.84°N 87.68°W
11:17 am CDT Sep 2, 2015
11am CDT Sep 2, 2015-6pm CDT Sep 8, 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