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Associated Press

Posted on December 7, 2012 at 4:34 AM

Updated Friday, Dec 7 at 5:04 AM

Weather Underground Forecast for Friday, December 07, 2012.

Wet weather will move into the East on Friday, while the Northwest will remain wet and snowy. A trough of low pressure continues moving eastward over the Great Lakes and into eastern Canada. This will allow for a cold front to continue advancing eastward, triggering rain showers across the Great Lakes and Ohio River Valley, reaching into the Northeast by the afternoon. Temperatures will dip to the freezing mark along the northern side of this system, allowing for rain showers to turn to freezing rain and snow showers near the Great Lakes and the far Northeast. Rainfall totals in most areas should remain less than a quarter of an inch, while some areas of the Ohio River Valley may see over a half of an inch of rain. Also expect heavier precipitation along downwind shores of the Great Lakes.

Meanwhile to the South, the tail end of a frontal boundary lingers over the Southeast, picking up more moisture from the Atlantic Ocean and triggering scattered showers and thunderstorms from Florida through the coasts of the Carolinas.

Out West, a trough of low pressure advances further inland from the Pacific Northwest. This will move over the Northern Rockies and into the he Dakotas, producing snow showers throughout the day. Further West, onshore flow continues from the Pacific Ocean and brings more rain and mountain snow showers to Oregon and Washington.

Temperatures in the Lower 48 states Thursday have ranged from a morning low of 1 degrees at Mt. Washington, N.H. to a high of 83 degrees at Tampa, Fla.

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