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Snow and Cold Will Mess Up Your Wednesday Morning

Unless you're staying in the house. If not, check out the winter weather advisory issued today.

Expect up to 4 inches of snow overnight and a messy Wednesday morning commute. The National Weather Service in Chicago has issued a winter weather advisory for much of the Chicago metro area, including the south suburbs.

The advisory is in effect from midnight Tuesday, Dec. 10, through 10 a.m. Wednesday, Dec. 11, according to the NWS. Snow will begin spreading east across the area between midnight and 4 a.m., peaking in intensity over the Chicago area between 5 and 8 a.m. Wednesday and affecting morning commuters. 

"Snow will result in treacherous traveling conditions for the Wednesday morning rush hour, with snowfall rates of up to a half-inch per hour possible with the most intense snow," according to the advisory.

Extreme cold temperatures will complicate the situation, causing immediate accumulation and reduced effectiveness of road salt, according to the advisory. 

The temperature overnight Monday reached 2 degrees below zero, with a windchill of 14 below. Expect a high of only 18 on Tuesday, steady temperatures between 14 and 17 Tuesday into Wednesday, with lows bottoming out to 3 below zero Wednesday night after the snowstorm. Temperatures could reach 30 by Friday.

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