FLASH FLOOD WARNING OVERNIGHT; Heat Index High 101°F Wednesday, Arlington Heights, Chicago Weather Forecast Northwest

MOBILE: chgowx.com PC: forecast.chicagoweatherstation.com
MOBILE/PC: Arlingtoncardinal.com/radar

O’HARE: 76°F LAKEFRONT: 77°F Tuesday 7/11/2017 10:28 PM

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Flash Flood Warning
National Weather Service Chicago/Romeoville Il
1044 PM CDT TUE JUL 11 2017

Flash Flood Warning in effect from July 11, 10:44 PM CDT until July 12, 04:45 AM CDT

The National Weather Service in Chicago has issued a

* Flash Flood Warning for…
Southern Lake County in northeastern Illinois…
Northern Kane County in northeastern Illinois…
Southern McHenry County in northeastern Illinois…
Northern DuPage County in northeastern Illinois…
Northern Cook County in northeastern Illinois…

* Until 445 AM CDT Wednesday

* At 1043 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include…
Chicago, Elgin, Cicero, Arlington Heights, Evanston, Schaumburg,
Palatine, Skokie, Des Plaines, Berwyn, Mount Prospect, Wheaton,
Hoffman Estates, Oak Park, Downers Grove, Glenview, Elmhurst,
Lombard, Buffalo Grove and Carol Stream.

Additional rainfall amounts of 1 to 1.5 inches are possible in the
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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TONIGHT: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 75. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

TOMORROW: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 93. Heat index values as high as 101. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Overnight Tuesday to Wednesday there is a concern for the potential of locally heavy rainfall given the west/northwest to east/southeast orientation line of storms and potential for training of thunderstorms over our area. Training is defined when thunderstorms continue to develop over a particular area and move across an area like railroad train cars.

The ground is already fairly saturated …

Recent rainfall in Arlington Heights was 0.65 inch from 4:00 a.m. to 10:00 a.m. on Monday July 11, 2017 and 0.15 inch from

july.chicagoweatherstation.com

Arlingtoncardinal.com/radar

Chicago Weather Forecast for your MAC/PC/TABLET includes surrounding suburbs.

Arlington Heights weather forecast, Chicago weather forecast




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