Arctic air is expected to bring sub-freezing temperatures to Texas and Louisiana, according to freeze warnings issued by the ...
The polar vortex of ultra-cold air usually stays penned up around the North Pole, spinning like a top. But sometimes it escapes or stretches down to the United States, Europe or Asia — and that’s when ...
Temperatures are forecast to plummet below average for much of the nation, with the most severe cold gripping areas east of ...