The National Weather Service has issued a winter weather advisory for the greater Philadelphia area on Saturday.

According to a release from the service, residents in Philadelphia and its surrounding counties can expect up to an inch of snow between 6 a.m. and 7 p.m. on Saturday.

Snow will hit the area around daybreak in northern Delaware then spread up Interstate 95 by mid morning, the release states.

The service suggests that travelers be prepared for "snow covered roads and limited visibility" and cautions that driving could be difficult due to slippery roads and low visibility.

Temperatures are expected to be in the low 30s on Saturday.

The warning is in effect from 6 a.m. to 7 p.m.