The mayor of Mechanicsburg declared a snow emergency for the borough just before 9:10 p.m. on Wednesday.
The Borough of Highspire's snow emergency, which began at 4 p.m., included designated routes including:
The Borough of Waynesboro's snow emergency plan will go into effect at midnight.
Borough officials said all vehicles must be removed from Main Street between Clayton Avenue and Fairview Avenue.
Vehicles must also be removed from South Potomac Street between Main Street and Second Street. Vehicles remaining in that area after two hours of the plan going into effect are subject to citation and towing at the owner's expense.
In Lancaster County, officials in Strasburg Borough and Township placed a snow emergency in effect beginning at 8 p.m.