Heatwaves Heatwaves are prolonged periods of excessive heat, often accompanied by high humidity. One striking example is the ...

A powerful Arctic blast is bringing life-threatening cold to the Midwest and Northeast, while a rare winter storm blankets ...

An arctic air mass sprawling across the eastern, central and parts of the western U.S. on Monday will channel temperatures 20 ...

On Wednesday morning and afternoon, winds will be the strongest west and north of Los Angeles, mostly in the mountains and ...

Most of the United States is being assailed with extreme winter weather this week as Arctic air blasts south from Canada, ...

Cold weather forecasted for Monday for Washington, D.C., prompted President-elect Donald Trump’s inaugural ceremony to be ...

Wildfire season in the Southwest has been a predictable rhythm of the region’s arid climate. As the dry months stretched from ...

Schools have been closed and people have been warned not to travel this morning as 100mph hurricane-force winds batter the UK ...

The National Weather Service has issued extreme cold warnings, cold weather advisories and freeze warnings for Florida.

The National Weather Service has simplified some of its winter weather alerts for Wind Chill and Extreme Cold Warnings.

Firefighters continue to battle fires across Southern California as the area prepares for a presidential visit Friday and ...