Bitter temperatures are forecast to hit swathes of the U.S. this weekend as a polar vortex—the area of cold air that ...

At least seven National Weather Service (NWS) offices broke low temperature records Monday morning as chilly weather grips much of the United States. "It is a chilly morning across the eastern third ...

States across the central and eastern U.S. are under extreme heat watches and warnings as the areas face a dangerous heat wave throughout the first half of the week, according to the National Weather ...

A heat dome is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service issuing heat alerts from Nebraska to Florida. Dangerous heat threatens to bake ...

A forecast map issued by the National Weather Service (NWS) has revealed which parts of the U.S. can expect the largest temperature departures from normal on Labor Day. Labor Day is a federal holiday ...