The storm is expected to begin as a mixture of rain and snow before turning to all snow overnight.
The National Weather Service in Pittsburgh has issued a winter storm warning for the Pittsburgh region, including Peters Township, from 6 p.m. Tuesday until 5 p.m. Wednesday. Forecasters say snow will accumulate 5 to 8 inches before the storm ends Wednesday afternoon. The period of most intense snow will be between midnight Tuesday and 8 a.m. Wednesday. A storm warning means that snowfall will make travel dangerous, according to the weather service, and drivers are urged to use extreme caution if they must go out. Like Patch on Facebook. | Follow Patch on Twitter. | Sign up for the daily email newsletter.