Forecasters say air moving into the southern Appalachians will turn rain into snow by this afternoon. (Image courtesy of National Weather Service in Morristown.)

There is a 100 percent chance of snow in the Oak Ridge area today as cold air moves into the southern Appalachians, turning rain showers into snow by this afternoon, according to the National Weather Service in Morristown.

The rain will start turning to snow by about 2 to 3 p.m., and the precipitation should be all snow by about 4 to 5 p.m., said Derek Eisentrout, spokesperson for the National Weather Service in Morristown. He said the snow should start tapering off by 7 or 8 p.m.

The Weather Service doesn’t expect a lot of snow in the Oak Ridge area, forecasting about a one-inch accumulation.

A major concern for forecasters is the black ice  that could be on roads tomorrow morning as temperatures plunge into the 20s overnight.

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