40 confirmed heat deaths in Maricopa County
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Health officials warn that heat impacts both housed and unsheltered residents as confirmed deaths reach 40. FOX 10's Megan Spector has the details.

Early morning monsoon storm slams Arizona ahead of extended extreme heat warning
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An early morning monsoon storm brought heavy rain and lightning to the Phoenix area before moving to the high country. Meanwhile, the National Weather Service has extended the extreme heat warning through the end of the weekend. 

Maricopa County opens 250 heat relief sites as heat deaths rise

Heat deaths in Maricopa County have reached 40 as triple-digit temperatures persist. Officials highlight risks for all residents and share resources to help people stay cool.

Hiker dies on South Mountain trail during extreme heat
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Friends and family remember 61-year-old Richard "Stan" Fletcher after a fatal hike in Phoenix extreme heat. FOX 10's Nicole Krasean learns more about the victim, and how he's being remembered.

Loved ones remember hiker who died on South Mountain trail
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Richard "Stan" Fletcher, 61, is being remembered as a devoted father and husband, and a man of strong faith. FOX 10's Nicole Krasean learns more about the man who died on South Mountain, on a day temperatures hit 115 degrees. 

Arizona summer: How high temperatures can damage your car

Phoenix's extreme summer heat can cause battery failures, tire blowouts, and engine overheating. Mechanics share essential vehicle maintenance tips to prevent summer breakdowns.

How the Arizona heat can affect your vehicle
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Extreme summer temperatures push vehicles to their limits in Phoenix, leading to dead batteries, tire blowouts, and overheating. FOX 10's Megan Spector reports.

Tornado in Wisconsin: Storms cause "extensive and severe damage"

A tornado touched down in Wisconsin early Monday afternoon as severe storms destroyed homes, downed trees, and knocked out power to thousands of customers.

Officials warn of hiking in extreme heat following 61-year-old's death on Phoenix trail
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After a cyclist discovered a missing hiker unresponsive on South Mountain, first responders are urging the public to stay off closed trails during excessive heat. FOX 10's Jacob Luthi learns more about the deadly incident and why hiking in the extreme heat endangers everyone.

New details emerge in hiker's death on South Mountain
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Police release the identity of the hiker who was found dead on South Mountain during an extreme heat warning. FOX 10's Jacob Luthi has the latest on the death investigation.

Sen. Gallego threatens to hold votes for FEMA aid
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Arizona federal lawmakers sent a letter demanding damage assessments and documents from FEMA following a disaster declaration denial. FOX 10's Nicole Krasean has the details.

Arizona lawmakers demand answers from FEMA after disaster declaration is denied

Sen. Ruben Gallego says he is prepared to hold up legislation in Washington until FEMA provides relief to flood-damaged Arizona communities like Globe and Miami.

Gallego fights for Globe and Miami flood relief
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Sen. Ruben Gallego and Arizona lawmakers demand answers from FEMA after disaster relief was denied for Gila and Mohave counties. FOX 10's Nicole Krasean reports.

There are now more ‘mosquito disease days’ in 95% of major US cities: See the map

Climate change is lengthening mosquito season across much of the U.S., giving disease-carrying mosquitoes more time to spread illnesses. A new analysis reveals which cities are seeing the biggest increases.

20-year-old hiker shares Grand Canyon warning
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After spending a month in the hospital, a hiker cautions others about soaring temperatures inside the Grand Canyon. FOX 10's Nicole Krasean reports.

20-year-old hiker warns others after heat stroke at Grand Canyon

After being airlifted from the Grand Canyon with severe heat stroke and organ failure, a 20-year-old hiker shares her survival story to caution other hikers about extreme heat.