A significant weather change is coming to North Texas. An Arctic front will cause temperatures to plummet by 50 degrees, making it feel-like about 10 degrees by Sunday morning. Even the Gulf Coast, including Houston,

Dangerously cold weather will put much of the United States into a deep freeze over the weekend as temperatures are expected to plunge by up to 40 degrees behind an Arctic airmass.

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and when the cold front will arrive.