Flash Freeze Hitting Ohio, East is Next Up

December 12, 2010; 11:31 AM ET
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Play video For more details on the brutal cold sweeping across the country, click on this video.

The coldest air yet this season, and perhaps of the entire winter, has already swept across the Midwest behind a blizzard and will blast into the East through tonight.

With roads and sidewalks wet from rain or slush overnight and today, a flash freeze is a major concern as temperatures plummet below freezing.

Snow falling on top of the icy roads will make travel even more treacherous, while winds whipping the snow around will make it downright dangerous. The combination of the icy roads, snow and low visibility could even force officials to make closures some areas.

Early Sunday morning, temperatures were already dropping into the 20s across western Ohio and approaching the freezing mark in some higher elevations of the Northeast and New England.

Travelers across the Midwest and Northeast will face icy, snow-covered roads, like the one pictured in this Photos.com photo. Post any pictures you have of the storm on our AccuWeather.com Facebook page!

Temperatures have continued to drop or stay steady throughout the day across the Midwest and about as far east as Pittsburgh, with any lingering rain changing to snow.

Farther east, temperatures will not hit the freezing mark in most places until tonight.

Subfreezing temperatures will extend all the way from the interior West to the Gulf Coast and much of the Eastern Seaboard tonight. Temperatures will even dip below freezing in areas from South Texas to the central Gulf Coast and the northern half of Florida.

Any places where roads are still wet as temperatures drop below freezing could have problems if left untreated.

In areas closer to the coast in New England and the mid-Atlantic, including Boston, New York City and Philadelphia, temperatures are not expected to drop below freezing until Monday night.

Expert Senior Meteorologist Alex Sosnowski has been warning about the flash freeze for days now and recommends that people walk and drive "defensively."

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