Passengers may not expect a hot, sunny summer day to be the reason their flight gets delayed or even cancelled. But heat waves can be hazardous for flying.

July was the hottest month ever recorded in the United States, according to data released Monday by the National Oceanic and ...

CNN’s Sara Sidner gets the latest forecast from CNN Meteorologist Allison Chinchar, as crews continue to battle the ...

Fire danger continued in the Pacific Northwest and Western Canada over the weekend, posing challenging conditions for crews ...

An unusually intense heat dome is bringing dangerous temperatures to a large swath of the West this weekend, where about 55 ...

An “exceptionally serious” drought has hit half of England after successive heat waves parched the land, shrivelled rivers and put huge pressure on water supplies.

A crisis potentially facing millions of unaware Americans stunned CNN analysts Thursday who described the looming problem as "major" and "insane." The problem? Two key U.S. reservoirs has fallen to a ...

South Korea issued heat warnings and urged people to immediately stop outdoor activities in affected areas as the country continues to experience exceptionally high temperatures.

The captain of a boat that capsized Saturday night in the busy waters near the Statue of Liberty, killing a young mother and<a class="excerpt-read-more" href=" More ...

Add Yahoo as a preferred source to see more of our stories on Google. Storm-disrupting wind shear similar to what's pictured above has been in place for most of hurricane season to date. - CNN Weather ...

People get a reprieve from the heat at the Jeff Blatnick Park Splash Pad on June 21 in Niskayuna. A heat wave is not unusual during the summer months. More and more, you may be hearing meteorologists ...

The warmest day in an extended stretch of extreme heat arrives Thursday when widespread triple-digit temperatures are in the forecast for Southern California. Triple-digit highs are expected in the ...