ROCHESTER, NY — Beware of heavy lake-effect snow during your Friday evening commute and Friday evening plans.

The Rochester metro area is expected to reach 4 to 5 inches by Saturday morning. News10NBC joined the First Alert Storm Patrol to explain what drivers should expect when the snow starts again around 4 or 5 p.m.

The First Alert Weather Team has issued a yellow alert for Friday evening, with a band of snow on Lake Ontario expected to fall southward as people travel. You can see the latest forecasts here.