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Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Thunderstorm in Vicinity

78°F

26°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.93 in (1012.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Aug 10:53 pm CDT
Extended Forecast for

Chicago IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 3am.  Cloudy, with a low around 75. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    Low: 75 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 80. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Slight Chance
    Showers

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 61. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Clear

    Low: 61 °F

  • Wednesday

    Wednesday: Sunny, with a high near 75. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Sunny

    High: 75 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 61. North northeast wind 5 to 10 mph becoming light  after midnight.

    Partly Cloudy

    Low: 61 °F

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 71.

    Slight Chance
    Showers

    High: 71 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Friday

    Friday: Sunny, with a high near 73.

    Sunny

    High: 73 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly after 3am. Cloudy, with a low around 75. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly clear, with a low around 61. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 75. Northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 61. North northeast wind 5 to 10 mph becoming light after midnight.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 75.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A slight chance of showers. Partly sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
Chicago IL
 41.84°N 87.68°W
10:17 pm CDT Aug 21, 2017
11pm CDT Aug 21, 2017-6pm CDT Aug 28, 2017
 
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