Every year since 1991, the National Ocean and Atmospheric Administration has offered competitive grants to a small number of ...

PHOENIX (AZFamily) — The Valley has broken a heat record and Wednesday is now the hottest day of the year! The National ...

As Texans reel from the deadly flooding that hit the Guadalupe River, experts are raising concerns over how mass layoffs at federal weather agencies have put communities at risk.

Hundreds of thousands of people have been advised to stay out of the sun this week due to "dangerously hot conditions" ...

Thousands of Americans have been urged not to drive on Wednesday amid concerns over high air pollution levels. Ozone Action ...

Southern California was feeling the effects of a mini heat wave, with temperatures expected to climb about 5 to 10 degrees ...

For Monday, a high of 112°F is expected for the Valley, rising to 115°F by Wednesday. An Extreme Heat Watch will take effect on Tuesday, July 8, and it is expected to last into Thursday, July 10.

Scientists were initially given less than a week to prepare for the loss of microwave observations that are key in detecting ...

Here is everything to know about the northern lights this week, including whether they will be visible in Arizona. The ...

Legally mandated national climate assessments disappeared this week from the federal websites built to display them, making ...

More than 210 degrees Fahrenheit separates the highest and the lowest temperatures on record in the United States, the ...

Legally mandated U.S. national climate assessments seem to have disappeared from the federal websites built to display them ...