National Park Service (NPS) officials issued a water advisory for Lake Powell just before the July 4 holiday weekend after ...

As of the NHC's latest update, issued early Thursday morning, the agency said there was now a 50 percent chance of cyclone ...

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

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

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

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

Heat-related advisories were in place across eight states on Tuesday, as the National Weather Service continued to warn of "dangerously hot conditions" in some parts of the U.S.

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 ...

The U.S. Geological Survey notes that groundwater is the source of drinking water for about half of the total U.S. population ...

Virginia, Montana and Vermont ranked as the top three states in the study, which measured 13 key metrics, including voter ...