Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.
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WEATHER ALERT: Winter storm likely to impact Southeast Texas next week
Overnight temperatures will hover in the 60s until the arctic front arrives, which should reach Houston around or a little after sunrise. Temperatures will fall into the 40s and 50s behind the ...