In McKean, Warren and Potter counties, the warning is from 7 o’clock Friday morning until 7 o’clock Saturday morning.
The National Weather Service in State College says 4 to 6 inches of snow is probable.
The warning is in effect for Cattaraugus and Chautauqua Counties from 4 o’clock Friday morning until 5 o’clock Saturday morning.
The National Weather Service in Buffalo says the storm will drop snow, sleet and freezing rain, with up to 8 inches of snow and sleet probable.
A Winter Storm Advisory remains in effect for Elk and Cameron counties.