An updated winter weather advisory was issued by the National Weather Service on Sunday at 1:18 p.m. valid from 7 p.m. until Tuesday 1 p.m. for Mercer, Venango and Forest counties.

The weather service says to be ready for, "Total snow accumulations between 3 and 6 inches. Winds gusting as high as 35 mph."

"Travel could be very difficult. The hazardous conditions will impact the Monday morning and evening commutes," says the weather service. "Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. Please report snow or ice accumulations by calling 412-262-1988, posting to the NWS Pittsburgh Fac

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