Hurricane Katrina: Ferocious storm devastated New Orleans
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Hurricane Katrina, the costliest hurricane in U.S. history, slammed into Louisiana on August 29, 2005. The winds and flooding that resulted from the storm caused nearly $187 billion in damage. (FOX Weather)

Watch: Rare funnel cloud hovers over Montana mountains

The rare funnel was spotted near the town of St. Ignatius, about 300 miles northwest of Yellowstone.

Watch: Rare funnel cloud spotted over Montana mountains
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Video captures views of a funnel cloud forming over Mission Valley in western Montana Tuesday. (Courtesy: @isleyreust/Instagram)

Spain plans to ban outdoor work during extreme heat

Second Deputy Prime Minister Yolanda Díaz said that the government will modify occupational risk legislation to prohibit outdoor work when the weather agency issues red or orange alerts.

Drone video captures amazing power of avalanche as it sweeps down Canadian mountain

A drone pilot who was in the middle of packing up his gear for the day was able to get it back into the air just in time to see a powerful avalanche sweeping down a mountain and crashing to the ground below on Canada’s Vancouver Island.

Congo flooding has death toll approaching 400 as search continues

The administrator of the worst-affected area, the Kalehe territory of South Kivu province, told The Associated Press by phone that more bodies were recovered Sunday, including many found floating in Lake Kivu.

Rescue helicopter unsteady over cruise ship
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A Coast Guard Jayhawk Helicopter had to abandon its medical evacuation attempt after encountering "severe downwind" 300 miles off the shore of Fort Morgan, Alabama. (Video: Kim Soares via Storyful)

Mom fights for change after toddler's hot car death
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Anderson Beck was the whole world to his mom and dad. The 18-month-old passed away due to a hot car death. His mother is now fighting for change to ensure effective detection and alert technology is mandated in new vehicles.

What caused deadly dust storm in Illinois?
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At least six people were killed and dozens of others injured after a dust storm along Interstate 55 in Illinois. Dr. Karin Ardon-Dryer, assistant professor of Atmospheric Science at Texas Tech University, joined LiveNOW from FOX's Josh Breslow to explain what led to the dust storm.

First responders speak on deadly dust storm in Illinois
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At least six people are dead and dozens of others injured after a dust storm led to multiple crashes on Interstate 55 in the area of Montgomery County, Illinois. Kevin Schott is the director of Emergency Management for Montgomery County. He joined LiveNOW from FOX's Josh Breslow to discuss the scene.

6 dead, 30 injured in Illinois dust storm
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A windstorm in south-central Illinois kicked up clouds of dust on Monday, causing numerous crashes that killed at least six people on Interstate 55, police said. The crashes involved 72 vehicles, including two semi-trucks that caught fire, Illinois State Police Maj. Ryan Starrick said. The highway was shut down in both directions in Montgomery County, 75 miles north of St. Louis. LiveNOW's Andrew Craft spoke with Brad Charboneau, from National Weather Service in St. Louis, about the deadly dust storm. More LiveNOW from FOX streaming video

VIDEO: Six killed on I-55 after 'dust storm' causes large crash in downstate Illinois

A windstorm in south-central Illinois kicked up clouds of dust on Monday, causing numerous crashes that killed at least six people on Interstate 55, police said.

Virginia Beach tornado leaves dozens of homes damaged

The City of Virginia Beach declared a state of emergency after a tornado moved through the area Sunday and damaged dozens of homes, downed trees and caused gas leaks.

Debris litters street in Palm Beach Gardens, Florida, after possible tornado hits
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Damaged vehicles and storm debris littered a street in Palm Beach Gardens, Florida, on Saturday, April 29, after a possible tornado hit the area local media reported.

Yosemite's epic snowmelt could spell trouble for national park bracing for spring closure

In February, vast amounts of snow closed roads into the park and made some facilities inaccessible. Now, the meltwater from that same snow is pouring into Yosemite Valley, forcing the park service to close most of the park by Friday night.

Planes flip at Florida airport amid severe storms
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Several small planes flipped at the airport in Merritt Island, Florida as severe storms moved through the area. FOX 35 Orlando's Amanda McKenzie joined LiveNOW from FOX's Josh Breslow with a look at the damage left behind.