Maps show where extreme humidity and 90- or 100-degree temperatures will affect around 255 million people across the United ...

A red flag warning was issued for Lake Mead and surrounding areas on Monday, with officials cautioning that weather conditions would be conducive to the spread of fires. "Any fires that develop will ...

It was the big military parade he’s always wanted. There were celebrations of the Army too. Here are the highlights.

The National Weather Service issues excessive heat warnings when heat index values are set to reach or surpass 110 degrees ...

The National Weather Service on Wednesday afternoon issued a tornado watch for a large portion of Indiana as storms began to ...

"It has been a while since we have experienced extremely dangerous heat so the risk of heat-related illnesses will be ...

Scheduled maintenance by the National Weather Service has taken weather radios temporarily offline. It’s updating the ...

The National Weather Service issued a "warning" for two major U.S. states on Tuesday. Significant weather is expected to hit ...

The first advisory is for Sunday in Fairbanks, where temperatures are expected to top 85 degrees Fahrenheit (29 degrees Celsius). Fairbanks has has been warmer in the past, but this is unusual for ...

Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S., turning skies a murky orange ...