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Much of the region could be seeing a foot of snow as a winter storm moves across Pennsylvania Monday night and into Tuesday.

(National Weather Service at State College. )

Most of Pennsylvania is in for a major snowstorm Monday night and into Tuesday.

The National Weather Service at State College has issued a winter-storm watch from 8 p.m. Monday through 10 p.m. Tuesday as the storm moves from west to east across the state, bringing nearly a foot of accumulation and wind gusts up to 30 mph.

The heaviest amounts are expected in the middle to lower Susquehanna River Valley region.

The latest National Weather Service snowfall tracker is calling for 11 inches of accumulation in Harrisburg, Carlisle, Gettysburg and Chambersburg.

York, Lancaster and Pottsville may see 12 inches, and to the northeast, 13 inches is expected to fall in Bloomsburg and 14 in Laporte.

The heaviest snowfall will hit the region starting Monday evening and overnight into Tuesday.

But before the snow, we're in for some cold temperatures.

Today will be partly sunny with a high near 33.

Tonight will be partly cloudy with a low around 17.

Monday will start off with mostly sunny skies with a high near 35 with a low of 26.

There is a 90 percent chance of snow Monday night through Tuesday evening. Expect a high on Tuesday near 34 and a low of 23.

Wednesday will see a 30 percent chance of more snow with a high near 30 and a low around 17.

Thursday will be mostly sunny with a high of 34 and a low of 19.

Friday will also be mostly sunny with a high near 39 and a low around 25 with a 30 percent chance of nighttime snow showers.

And Saturday will see a 40 percent chance of rain and snow showers with a high of 43.

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