'Torrential Downpours' Possible Overnight

Gusty winds, isolated storms could be powerful

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    NEWSLETTERS

    The son of Robert F. Kennedy has been charged with harassment and endangering the welfare of a child for allegedly clashing with two nurses who tried to stop him from taking his 2-day-old baby boy from a Westchester maternity unit. Douglas Kennedy and his wife called the charges "absurd" and said the nurses were in the wrong. Jonathan Dienst reports. This story was published Feb. 24, 2012 at 11:31 p.m. (Published Thursday, Apr 26, 2012)

    Powerful thunderstorms overnight flooded some roadways, and left traffic lights out at some intersections around the area Sunday morning.  And more storms are on the way.

    Torrential downpours, cloud-to-ground lightning, wind gusts in excess of 70 mph, and hail as large as golf balls could all be in store for northern Illinois and northwest Indiana Sunday afternoon and evening, according to the National Weather Service.

     "I know you may be looking out your window and thinking, 'Oh, it's dry, the rain has come to an end.'  That's not the case," NBC Chicago Meteorologist Cheryl Scott said.  "As we go into later afternoon and tonight, we're going to find more showers and storms firing off."

    A substantial cold front is working its way eastward, toward Chicago.  That puts the entire metro area in a slight risk for severe weather.  The high temperature should reach close to 80 degrees, but when that cold front pushes through overnight, temperatures could drop by as much as 40 degrees, the weather service said.

    "The main threats -- damaging winds, hail -- and a few isolated tornadoes cannot be ruled out," Scott said. 

    The storms will not be widespread until late this evening, likely after 8 p.m. and into the overnight hours. 

    A wind advisory is in effect until 1 a.m. Monday. A wind advisory means that sustained winds of 30 to 39 mph or gusts between 45 and 57 mph and likely, the weather service says.

    Because around 2 inches of rain already fell Saturday night, any additional rain Sunday could lead to some localized flooding.