A map of the polar vortex that is bringing frigid temperatures to parts of the U.S. (AccuWeather) The first of three rounds of cold Arctic air from a shifting polar vortex has sent temperatures ...

Minnesota stands out as one of the few regions where colder-than-average winter conditions are expected to persist into early ...

North and central Georgia are set for freezing temperatures in January, as shown on a map, due to a polar vortex forecast to push frigid winds across the country. After one of the warmest Decembers on ...

A polar vortex is set to deliver at least two frigid waves to Florida this week, sending temperatures plummeting into the upper 20s across the northern regions of the state. "We believe that two to ...

A strong blast of Arctic air will drive temperatures sharply lower from the Midwest to the interior Northeast this weekend, bringing the season's coldest weather so far for many, forecasters say.

Below-average temperatures are predicted for much of the U.S. South, as National Weather Service (NWS) meteorologists warn of plummeting temperatures this weekend and early next week. The dip in ...

A forecast map from the National Weather Service (NWS) shows which states can expect the coldest conditions, with a fresh arctic blast expected this weekend. "Another shot of arctic air is on the way ...