Heavy Rainfall and Severe Thunderstorms Possible Across the Central U.S.; Hurricane Lane Continues Westward Across the Central Pacific

An area of low pressure moving across the Central U.S. will continue to bring heavy rainfall and flash flooding across parts of that region, along with the threat for severe thunderstorms through this evening. Meanwhile, swells from Hurricane Lane are reaching parts of Hawaii today, with some additional impacts possible later this week, depending on the storm's track. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Rain Fog/Mist

75°F

24°C

Humidity 90%
Wind Speed E 8 mph
Barometer 29.85 in (1009.7 mb)
Dewpoint 72°F (22°C)
Visibility 5.00 mi
Last update 20 Aug 12:53 pm CDT
Extended Forecast for

Oak Brook IL

  • This
    Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms after 2pm.  High near 79. East southeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms

    High: 79 °F

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers.  Cloudy, with a low around 67. East southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    T-storms
    Likely then
    Showers
    Likely

    Low: 67 °F

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly after 7am.  Mostly cloudy, with a high near 78. West wind 5 to 10 mph becoming north northwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 40%.

    Scattered
    Showers

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Decreasing
    Clouds

    Low: 59 °F

  • Wednesday

    Wednesday: Sunny, with a high near 77. North northwest wind around 10 mph.

    Sunny

    High: 77 °F

  • Wednesday
    Night

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

    Mostly Clear

    Low: 59 °F

  • Thursday

    Thursday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 78.

    Chance
    T-storms

    High: 78 °F

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms after 2pm. High near 79. East southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Cloudy, with a low around 67. East southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Scattered showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 78. West wind 5 to 10 mph becoming north northwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 59. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 77. North northwest wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 61.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Friday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Oak Brook IL
 41.82°N 87.94°W
1:20 pm CDT Aug 20, 2018
1pm CDT Aug 20, 2018-6pm CDT Aug 26, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database