PITTSBURGH —

A messy weekend awaits, as a snowstorm is on the way to Western Pennsylvania.

Saturday is an Impact Day. The National Weather Service has issued a winter weather advisory. Some counties are under a winter storm warning. Advertisement

See the latest forecast from Pittsburgh's Action Weather in the video above.

When does the snow start?

The first part of Saturday is dry. Once the snow starts to fall, you can expect travel impacts and much colder air.

Snow is expected to return late Saturday afternoon, with widespread snow in the evening and nighttime hours.

Snow showers will last through most of the evening before tapering off early Sunday morning.

Hour by hour: Latest snow projections for Saturday afternoon and evening

How much snow will we get?

Between 3 and 5 inc

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