"Bitter cold could linger through the end of the month," the Weather Prediction Center said in an update on Monday.

Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy ...

A significant portion of the U.S. is experiencing below-average temperatures due to a disrupted polar vortex, affecting over ...

Don't let the incoming string of relatively warm days in the greater Philadelphia region fool you; the polar vortex is still around.

Moreover, the latest data suggests that the Polar Vortex is on the verge of a significant disruption due to a new SSW event. The disruption is expected to lead to a colder pattern across the United ...

Another strong cold front is headed straight for Texas as a polar vortex continues to send arctic blasts spinning off across ...

According to a temperature outlook from the National Weather Service (NWS) Climate Prediction Center (CPC), for the January ...