PITTSBURGH (KDKA)- PennDOT crews were busy Sunday night and Monday morning plowing and salting the area roads.

In Allegheny County, 65 trucks have been out since Sunday evening treating highways and interstates.

The crews started by initially salting the roads when the snow first started falling around 5 p.m. If the snow piles up near 2 inches, crews then use the plows along with salting.

The crews are working on 12-hour shifts and will continue to do so until all of the roads are cleared.

A Winter Weather Advisory was initially set to expire at 1 p.m. today, but it has been extended until 7 p.m.

According to KDKA-TV Meteorologist Dennis Bowman, a general 3-5 inches of snow had fallen across Allegheny County and in parts of Beaver and Westmoreland Counties as of 7 a.m.

However, not as much snow had fallen to the north or south of Pittsburgh. Precipitation in southern counties fell as a mix or purely as rainfall in slightly warmer air.

PennDOT is asking you to be careful out on the roads if you do have to drive.

“If you do need to drive, give yourself some extra time,” said Steve Cowan of PennDOT. “Keep some space from vehicle in front of you, keep your speed down and don’t pass snow plows. Six car lengths is a good distance to stay behind the plows.”

Cowan also asked people to be patient because the road crews have a lot of distance to cover.

“Our goal is not to have the road down to the bare surface. We will continually treat the roadway until we get to that point. Unfortunately, in a significant snow event like this, you may see snow on the roadways.”

Today, some additional snow will fall on an occasional basis.

According to Bowman, 1-3 inches will fall in western Pennsylvania with up to 4 inches possible in the Laurel Highlands.

Our high today will be 33 degrees. Tonight, light snow will give us a coating to an inch by morning and a low near 20 degrees.

Tomorrow, expect just a few flurries with a high of 25 degrees.

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