Strong Santa Ana winds fueled wildfires that burned across Southern California for more than three weeks, forcing tens of thousands of residents out from their homes.

ABC News senior meteorologist Melissa Griffin tracks the Western weather that could pose a risk for new wildfires, plus the tropical threat on the Gulf Coast.

ABC News’ Faith Aububey reports on the latest details of the wildfire burning at the Grand Canyon while teams work to contain the flames.

The Gulf states are on alert with flood watches from Mississippi to Louisiana as dozens of wildfires rage in the West.

A group of hikers stepped in to help stop an alleged arsonist accused of starting a fire in LA's popular Runyon Canyon.

As heavy plumes of smoke from the Dragon Bravo Fire push into the Grand Canyon and extreme summer temperatures continue to fuel the flames, the fire is still 0% contained.

ABC News' Faith Aubrey reports on the scene at the Grand Canyon with the latest on the containment and conditions from the wildfires.

Evacuations are underway near the Grand Canyon as the Dragon Bravo Fire explodes to nearly 6,000 acres, destroying more than 70 buildings, including the historic Grand Canyon Lodge.

Two wildfires are burning near the Grand Canyon in Arizona, including one blaze that destroyed dozens of structures, among them the historic Grand Canyon Lodge, the National Park Service said.

The Grand Canyon Lodge was one of dozens of structures destroyed in a fast-moving wildfire in Arizona over the weekend, the National Park Service confirmed.

"GMA" checks in with residents of Altadena, one of the hardest-hit areas in the deadly Southern California fires, six months later, as they work to rebuild their lives and community.

ABC News Chief Meteorologist Ginger Zee has the latest on conditions around the fire zone as temperatures continue to rise.

Officials have issued heat alerts amid temperatures that have reached over 110 degrees.

A historic lodge on the Grand Canyon’s North Rim has been destroyed by a wildfire

The White Sage Fire is nearly 20,000 acres, growing almost 40 times in size in over 48 hours as the nearby Dragon Bravo Fire grows to 5,000 acres.

Dangerous heat and dry conditions fueling the White Sage Fire in Arizona have prompted authorities to expand evacuation zones to clear out the Grand Canyon.

Last month, President Trump was asked if his deteriorating relationship with California Gov. Gavin Newsom would impact federal support for wildfire recovery efforts.

The Grand Canyon National Park is also under an extreme heat warning through the weekend, with temperatures expected to reach 115 degrees in low elevations.

Visitors and staff at two national parks in the U.S. West have been evacuted because of wildfires

ABC News’ Kayna Whitworth revisits the city of Altadena six months after the LA wildfires, as its residents lead their "new normal" with the hope to rebuild the community they still call home.

A 13-year-old boy was arrested on suspicion of setting off fireworks that sparked a wildfire this week in coastal Southern California, forcing the evacuations of about a hundred canyon homes

Wildfires leave historic Altadena devastated as firefighters lose their homes while battling California blazes and residents hold on to hope after heartbreak.

The Madre Fire ignited Wednesday afternoon in San Luis Obispo County.

The fire has consumed more than 70,000 acres and is still growing and moving fast across in San Luis Obispo County, California, CalFire said.

The Madre Fire ignited Wednesday afternoon in San Luis Obispo and is 5% contained as of Thursday morning, according to Cal Fire.

Continuing Coverage and Investigations with ABC News and KABC- Los Angeles

A quickly growing brush fire in Southern California has spread at least 2,400 acres, prompting evacuations, according to fire officials.

A quickly growing brush fire in Southern California has spread at least 1,165 acres, prompting evacuations, according to fire officials.

ABC News' Matt Gutman investigates the growing health concerns for first responders who rushed to fight raging wildfires in Los Angeles, some even drawing a parallel to the medical aftermath of 9/11.

ABC News and KABC- Los Angeles breaking news coverage of California Wildfires.

A Nature Medicine study reveals insight into how smoke exposure affects people at the genetic level, finding that toxic metals make it into the bodies of people exposed to fire smoke.

The Rowena Fire has burned more than 3,500 acres in the Columbia River Gorge, approximately 80 miles east of Portland.

The Burbank Fire Department said Tuesday afternoon it was responding to the Bethany Fire, which is burning near a residential area.

ABC News' Dr. Tara Narula shares key tips to stay safe as smoke from dozens of wildfires in Canada creates dangerous air quality for millions across the U.S.

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with hazy skies possible.

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why it can be so dangerous.

The smoke is now shifting as far south as Georgia and the Carolinas.

As hundreds of wildfires continue to burn in Canada, the smoke from the flames is bringing potentially dangerous air quality to parts of the United States.

Thick smoke from some of the 94 wildfires in Canada have begun drifting south into the U.S., creating hazy and potentially unhealthy conditions in the Midwest and parts of the upper Plains.

ABC News Chief Meteorologist Ginger Zee has the latest on where the Canadian wildfire smoke is heading.

WABC Meteorologist Brittany Bell reports on the smoke blowing into the U.S. causing air quality concerns from several dozen wildfires burning in Canada.

WABC meteorologist Dani Beckstrom reports the latest news on the Canadian wildfires and severe weather threats across the Midwest.

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke from these flames.

A wildfire in eastern Arizona continues to burn, expanding to over 20,000 acres, with more red flag warnings in effect on Monday.

A wildfire in eastern Arizona continues to burn, expanding to over 20,000 acres, with more red flag warnings in effect on Monday.

Crews in eastern Arizona continue to battle a wind-driven wildfire that has burned over 7,000 acres as of Thursday.

The Greer Fire is threatening a small mountain town near the New Mexico border.

Three major wildfires raging out of control in the same Minnesota county have burned more than 20,000 acres combined.

Three major wildfires raging out of control in the same Minnesota county have burned more than 20,000 acres combined.

At least 9 million people in the nation's upper Midwest region are under red flag warnings on Monday.