A federal weather prediction agency said that temperatures this week will significantly drop due to a high-pressure system moving from Canada south across the United States.
“Very cold Arctic air masses will envelop much of the central and eastern half of the nation during the two week period, including the busy holiday travel season,” the Climate Prediction Center said in an alert.
By Tuesday, the arctic cold will spread from Washington to Wisconsin through Texas, said another federal agency. Some areas will see temperatures 45 degrees F below normal, the center said.
“Highs will only reach into the single digits throughout the northern Plains, while lows fall into subzero territory and minus teens closer to the Canadian border,” the National Weather Service’s Weather Prediction Center said Monday. “Gusty winds will make it feel even colder throughout northern Montana, where wind chill advisories are in effect due to the potential for wind chills to dip as low as 30 to 45 degrees below zero.”…