Central Pa. will be hardest hit by Wednesday’s anticipated snowstorm, forecasters say Updated Dec 15, 2020; Facebook Share “If you don’t have to go out, you probably shouldn’t,” she said. Wednesday and Thursday are shaping up to be a mess. 7 Snow in Harrisburg Wagner, a meteorologist with the National Weather Service in State College, said Monday that we seem destined to endure a snowblower-worthy event. The agency has issued a winter storm warning. As of late Monday morning, when a much lighter dose of snow was falling, the weather service was predicting Harrisburg and its environs could see more than 18 inches of snowfall on Wednesday into Thursday. At least a foot of snow seems all but guaranteed for Cumberland, Dauphin, Lancaster, Perry, York, Adams, Franklin, Snyder, Northumberland, Juniata, Fulton and Lycoming counties.