National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Isaias Rapidly Moving North with Tropical Storm Impacts; Critical Fire Weather Conditions in the West

Isaias speed will increase some as it heads into New England, including New York City and other larger New England cities today and tonight; and the center is forecast to be in Canada by Wednesday morning. Very heavy rain and flash flooding, damaging winds, storm surge, and isolated tornadoes can be expected. In the West, critical fire conditions continue due to hot, dry, and breezy conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

71°F

22°C

Humidity 42%
Wind Speed N 9 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 4 Aug 6:53 pm CDT
Extended Forecast for

Chicago IL

  • Tonight

    Tonight: Mostly clear, with a low around 58. North northeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.

    Mostly Clear

    Low: 58 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West southwest wind around 5 mph becoming southeast in the afternoon.

    Mostly Sunny

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 64. South southeast wind around 5 mph becoming southwest after midnight.

    Partly Cloudy

    Low: 64 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    Mostly Sunny

    High: 77 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 63. East wind 5 to 10 mph becoming light and variable in the evening.

    Mostly Clear

    Low: 63 °F

  • Friday

    Friday: Sunny, with a high near 80.

    Sunny

    High: 80 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 65.

    Mostly Clear

    Low: 65 °F

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 86 °F

  • Saturday
    Night

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

    Chance
    T-storms

    Low: 71 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 58. North northeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Wednesday
Mostly sunny, with a high near 77. West southwest wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. South southeast wind around 5 mph becoming southwest after midnight.
Thursday
Mostly sunny, with a high near 77. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 63. East wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 65.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
7:15 pm CDT Aug 4, 2020
Forecast Valid:
7pm CDT Aug 4, 2020-6pm CDT Aug 11, 2020
 
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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation