A winter storm making its way to western Pennsylvania is supposed to hit the region with the first significant snowfall of the season on Tuesday.

National Weather Service Pittsburgh says a winter weather advisory currently stretches from Arkansas to New York, including the office's entire coverage area. While totals aren't expected to be unusually high, the heaviest snow is expected during the morning commute, making the timing tricky.

How much snow will western Pennsylvania get?

Nearly everyone in the Pittsburgh area is expected to see at least 2 inches of snow. The current estimates are forecasting 2-4 inches for most, including Allegheny, Washington, Westmoreland, Beaver and Butler counties.

The highest totals are expected between I-70 and I-80, where some spots could even hit

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