The expected storm has arrived with high winds. West Penn Power is reporting outages in Butler County on Friday morning with 539 customers without power by 7:45 a.m. Central Electric reports 528 customers without power.

According to the National Weather Service, a winter weather advisory is in effect until 1 p.m. with wind advisory and wind chill warnings until 7 a.m. Saturday, Dec. 24.

Snow showers are expected mainly before 11a.m. Friday with patchy blowing snow between 3 and 4 p.m. Temperatures will fall to around 0 by 1 p.m.

Winds gusts are expected as high as 45 mph, according to the National Weather Service. Wind chill values will be as low as -24 degrees. Expected snow accumulation of 2 to 4 inches are possible Friday.