However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

MINNEAPOLIS — An arctic blast arrived in Minnesota on Monday, bringing frigid temperatures and bitter wind chills. Highs across the state will be in the single digits, and even colder in spots.

Temperatures will plummet by up to 40 degrees this weekend as an arctic blast spreads across much of the U.S., including the Deep South.

Frigid, below-zero temperatures from this weekend’s expected arctic blast have forced organizers ... Whether the annual Dr. King Legacy Bike Ride will be canceled remains undecided.