The National Weather Service in Moon Township has issued a winter-weather advisory for most of Western Pennsylvania, including Allegheny County, from 10 a.m. Friday to 1 a.m. Saturday.
Forecasters say 2 to 4 inches of snow is possible.
Here is a more detailed look at the forecast.
- Friday: Snow, mainly after noon. High near 21. Southeast wind 5 to 8 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
- Tonight: Snow showers likely, mainly before 9pm. Cloudy, with a low around 16. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
- Saturday: A chance of snow showers. Cloudy, with a high near 25. West wind 6 to 15 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.