UPDATE: A Winter Storm Watch has been issued for portions of the Baltimore area.

Original story below…

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BALTIMORE, MD—Both the probability of snow and total expected accumulations for Saturday morning in the Baltimore area have increased.

The National Weather Service now says there is a 90% chance that the Baltimore area will see 1 inch or more of total accumulation as a clipper system passes by the region late Friday night and into Saturday morning.

Earlier in the week, it looked like the Baltimore area could see a dusting to 1 inch of snow, but now forecasters say to expect 2 to 3 inches of accumulation – and some parts of northern Baltimore County could potentially see 4 or 5 inches of snow.

A Winter Storm Watch has been issued for western Maryland, where 4 to 6 inches of snow are expected, with isolated spots getting 8 inches.

The precipitation is expected to begin late Friday night and wind down by late Saturday afternoon.