PORTLAND, Maine (AP) -- A teeth-chattering cold wave with sub-zero temperatures is expected to keep its icy grip on much of the eastern U.S. into the weekend before seasonable temperatures bring relief.
A polar air mass has prompted the National Weather Service to issue wind chill warnings across upstate New York and northern New England.
In northern Maine, the temperature dipped to as low as 36 degrees below zero Wednesday morning. The weather service is calling for a wind chills as low as minus-45.
In Frenchville, Maine, restaurant owner Keith Pelletier says it's so cold that even snowmobilers are staying inside. He says his customers are dressed in multiple layers of clothing and keep their cars running in his parking lot while they're eating lunch.