The advisory remains in effect until 1 a.m. Wednesday.
A wind advisory means wind gusts greater than 45 mph are expected. Southwest winds are expected to reach 15 to 25 mph this evening with gusts of as much as 50 mph.
Winds are expected to slowly decrease through the evening.
The impact could result in scattered trees, power line damage and some minor property damage, the weather service said.
Strong winds can make driving difficult, especially for high-profile vehicles. PennDOT advises drivers to be caution.
Why the wind?
According to weather forecasters, a low pressure moving from the Midwest into southern Ontario is bringing a cold front across the Ohio Valley and will move across the region. Strong gusts are expected to strike ahead of the front with the strongest winds taking hold immediately behind the cold front.
Showers and possibly a thunderstorm are expected today with a high near 53. A chance of rain showers is expected before midnight then a chance of rain and snow showers between midnight and 2 a.m., followed by a chance of snow showers. Some thunder is possible with snow accumulation of less than a half-inch.