World Cup fans brace for weather phenomenon known as 'heat dome'

A threatening heat dome will engulf the central and eastern U.S. this week with heat index temperatures — which combine air temperature with humidity — soaring into the triple-digits in some areas.

How to stay cool and save on energy as heat dome brings triple-digit temperatures to millions

Temperatures in the 90s are spreading across the Midwest and will reach the East Coast by midweek, when it will feel like 100 to 110 degrees for tens of millions of people ahead of the 4th of July weekend. Here are some tips to stay cool, save on energy, and not break the bank.

Arizona startup invents wearable misting systems
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An Arizona startup is offering personal cooling solutions for those braving the Phoenix summer sun. Founder Ron Laikind developed mobile misting systems to keep people cool while moving. FOX 10's Steve Nielsen reports.

Arizona startup ExtremeMist PCS develops wearable misters for outdoor heat relief

ExtremeMist PCS founder Ron Laikind is creating wearable misting vests and jackets to combat extreme Arizona summer heat. Local hikers say the personal cooling tech is changing how they navigate trails.

New A/C brings relief to Arizona resident
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An Arizona woman shares how a free air conditioning replacement program saved her after surviving three years without cooling. FOX 10's Brian Webb reports.

Scottsdale FD shows how fast a car can heat up
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For a firsthand look at just how fast a car can heat up, FOX 10's Danielle Miller was in Scottsdale for an eye-opening demonstration.

Europe record heatwave turns deadly after 40 drownings reported in France

A record-breaking heatwave that is sweeping across Europe has killed 40 people in France so far, according to French Prime Minister Sébastien Lecornu.

Elderly woman hospitalized, needs multiple surgeries after severe sunburn
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An 82-year-old Arizona woman suffered third-degree burns and organ damage after falling asleep on a metal lounge chair at a community pool.. FOX 10's Andrew Christiansen learns how a day at the pool turned critical. 

San Tan Valley woman hospitalized with severe burns after falling asleep in sun

An 82-year-old woman is hospitalized with third-degree burns and severe heat stroke after falling asleep in the sun on a metal chair at a community pool.

Extreme heat kills 3 Grand Canyon hikers

A brutal summer heat wave has turned deadly at the Grand Canyon after three hikers collapsed and died within a matter of days.

Grand Canyon heat warnings issued after 3 hikers die
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Park rangers are warning visitors at the Grand Canyon about extreme temperatures after three hikers died in separate incidents this month. FOX 10's Irene Snyder reports.

Americans expected to pay more to cool homes this summer, new research finds

Staying cool this summer is about to become an expensive necessity for Americans with residential cooling expenses soaring for the average family to use their air conditioning units, according to a new report.

Monsoon season officially underway with wet start
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Arizona monsoon season officially started on June 15, with severe weather already impacting parts of the state. FOX 10's Andrew Christiansen learns what areas are experiencing hail and knocked-over powerlines, and how you can stay safe this season.

Arizona homeless survive dangerous summer heat on the streets
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Dangerous heat has returned to Arizona, presenting challenges for those living on the streets. FOX 10 Photojournalist Undrell Maholmes learns how some of them are surviving the summer months.