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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

73°F

23°C

Humidity 84%
Wind Speed S 8 mph
Barometer 30.03 in (1015.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 21 Aug 4:53 am CDT
Extended Forecast for

4 Miles NE Chicago IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 3pm.  Partly sunny, with a high near 82. South wind 5 to 10 mph.

    Chance
    T-storms

    High: 82 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 2am.  Mostly cloudy, with a low around 72. 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.

    Chance
    T-storms then
    T-storms
    Likely

    Low: 72 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers between 10am and 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 75. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 62. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Mostly Clear

    Low: 62 °F

  • Wednesday

    Wednesday: Sunny, with a high near 72. North wind around 10 mph, with gusts as high as 15 mph.

    Sunny

    High: 72 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Partly Cloudy

    Low: 61 °F

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 69.

    Slight Chance
    Showers

    High: 69 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Friday

    Friday: Sunny, with a high near 72.

    Sunny

    High: 72 °F

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 82. South wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 72. 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 likely and possibly a thunderstorm before 10am, then a chance of showers between 10am and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 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 62. Northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 72. North wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Partly sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
4 Miles NE Chicago IL
 41.88°N 87.62°W
4:17 am CDT Aug 21, 2017
5am CDT Aug 21, 2017-6pm CDT Aug 27, 2017
 
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