A low pressure system will bring light snow to western Pennsylvania late Friday night through Saturday afternoon that could result in 2 to 4 inches of accumulation, according to the National Weather Service.
The weather service issued a winter weather advisory for snow that will be in effect from 3 a.m. to 3 p.m. Saturday. That means snowfall will cause travel difficulties because of snow-covered roads and limited visibility.
The advisory includes Allegheny, Butler and Beaver counties.
By dawn Saturday, Pine-Richland residents could see an inch of accumulation, the weather service said.
Temperatures will be in the upper 20s to lower 30s.
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