Hiker dies amid extreme heat in Grand Canyon

Officials say a 57-year-old woman died while hiking in the Grand Canyon last weekend.

Latest heat-related death numbers in Maricopa County
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Looking at the latest heat-related deaths reported in Maricopa County, at least six people have died from the heat since the start of the year. Forty-three other deaths are currently under investigation. The county says all of the deaths so far this year happened outside.

This smoky summer could be America's 'new abnormal'

Wildfires are already consuming three times more of the United States and Canada each year than in the 1980s and studies predict fire and smoke to worsen.

Excessive heat expected in Valley for weekend
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People in the Phoenix area can expect some hot days, as the National Weather Service issues an Excessive Heat Watch for the Phoenix area, as well as parts of the Arizona High Country. FOX 10 Meteorologist Krystal Ortiz has more on what may be in store.

How is air quality measured?

As smoky air from Canada’s wildfires shrouds broad swaths of the U.S., here are seven facts you should know about measuring air quality.

Some upsides of Arizona's summer heat

As we adjust to extreme heat this summer in Arizona, we thought, why not look on the bright side? Here are some positives.

Watch: Tornado rips through Indiana apartment complex

Deaths have been reported in Indiana and Georgia after severe weather, including tornadoes, tore paths of destruction from the Midwest to the South on Sunday, leaving more than a half-million people without power.

Halfway to Christmas: How El Nino could impact the upcoming winter

Due to a warming central and eastern Pacific, the world is set to have its first full-fledged El Niño winter since 2018-19, which will mean some climate changes for the season from recent years.

Dallas USPS worker dies after passing out during excessive heat

While on his normal route going door to door during Tuesday’s extreme heat, the 66-year-old collapsed in a front yard, and the homeowner came outside to perform CPR. He later died at the hospital.

El Nino blamed for recent bird deaths along Mexico's Pacific coast

Many seabirds in this region died recently, with more than 90% of the affected birds being grey-backed shearwaters, according to the Ministry of Agriculture and Rural Development in Mexico.

Hikers sound off on more potential Phoenix trail restrictions during extreme heat days

The city of Phoenix is considering making some more changes to the trails on Camelback and Piestewa during the hottest months of the year, and it's taking input from hikers.