Major cities under heat alerts Monday include Dallas, Oklahoma City, St. Louis, Chicago, Memphis, Atlanta, Tampa, Charleston, New York, Philadelphia and Boston.

Severe thunderstorms could continue into July 29, bringing havoc to morning commutes in Chicago, Milwaukee and Indianapolis.

A bout half the country is under active heat advisories on Monday, affecting more than 198 million Americans, according to ...

The Centers for Disease Control and Prevention (CDC) says that extreme heat can lead to heat-related illnesses, especially ...

A punishing heat wave will bring hot temperatures to eastern US and linger for several days, underscoring how climate change ...

Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

Yahoo News used data from the National Oceanic and Atmospheric Administration to calculate the number of days in each county ...

Elevated and Critical Fire Weather conditions exist east of the Cascades. The Storm Prediction Center says Critical conditions could significantly impact active or new fire starts on Monday.

Now, tropical development close to home always comes with risks. But, if we get something to build off the east coast of Florida that actually lends us a helping hand.

Right Arrow Weather Travel nightmare unfolds as storm system grounds East Coast flights ahead of July 4 Newark and LaGuardia among airports issuing ground stops while flood watches remain in effect ...

A severe weather day is not expected in Boston, but storms could bring downpours to the area today.