In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern Maine. Northern Georgia would see temperatures around 16, and in Colorado, the map showed that some areas would see -9.

Starting this week into next, a lobe of the polar vortex will descend into the U.S. and bring with it brutally cold temperatures. Here's the forecast for this week:

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

Arctic air and the coldest daytime temperatures in 6 years are here Monday and Tuesday, returning to the teens and 20s later in the week,” NWS meteorologists in Grand Rapids

BOSTON (AP) — Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as tens of millions of residents along the East Coast contend with a thick blanket of snow — and more snowfall in the forecast.

Millions across the South brace for a rare winter storm as much of the U.S. faces life-threatening cold that forced the inauguration of President-elect Donald Trump to be held indoors.

The National Weather Service issued a Cold Weather Advisory for all of Michigan from Monday morning through Wednesday morning, when arctic temperatures are likely. The advisory expires at noon Wednesday. In the meantime, Mid-Michigan likely will have to endure wind chills that feel below zero for about 60 consecutive hours.

An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance of more snow than the city has seen in three years.

Major winter storm brings heavy snow to East Coast as Arctic blast puts millions under warnings from Plains to Maine

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and sends temperatures tumbling to levels not seen in years.