New data shows that water levels in major reservoirs including Lakes Mead and Powell are well below average for this time of ...

Potentially hazardous air quality has gripped Phoenix, Arizona, as a combination of stagnant weather, windblown dust, and warm temperatures fueled a rise in PM10 pollution, prompting hazy skies and ...

"Don't underestimate the heat! It is the deadliest weather phenomenon in the U.S.A.," the NWS says. In southwest Arizona and ...

A regional air quality alert has been issued for parts of Southern California as two fires continue to burn in Riverside ...

According the the National Hurricane Center, Tropical Storm Flossie could strengthen into a hurricane as early as Monday.

Millions of Americans were urged to stay indoors Friday as hot and humid conditions were expected to blanket large portions ...

Temperatures in Florida, Georgia, Arkansas, Tennessee, Kentucky, Indiana, Illinois, North Carolina, and Virginia could feel ...

At least eight states were expected to see temperatures that would feel hotter than those in Death Valley—often referred to ...

Americans across 29 states have received heat-related warnings from the National Weather Service (NWS) as of early Monday, ...

Millions of Americans in the Northeast are being advised to avoid strenuous physical activity outdoors due to unhealthy air ...

The NWS forecast office, Baltimore-Washington, on X, formerly Twitter, on Monday: "Temperatures will further warm today with ...

Health officials advise minimizing UV exposure by staying out of the sun from 10 a.m. to 4 p.m., regularly reapplying ...