Severe Weather

Passengers traveling through certain U.S. airports may now have their change fees waived under certain conditions due to the wildfire smoke from Canada impacting airline operations.

The wildfire smoke has prompted air quality alerts from the Midwest to the Northeast and down to the mid-Atlantic and Carolinas.

The National Oceanic and Atmospheric Administration has declared the world has transitioned out of a triple-dip La Niña and has entered an El Niño climate pattern for the first time since 2019.

Microscopic particles from wildfire smoke can cause serious health problems for animals, sometimes causing more harm than in humans, experts say.

Hawaii’s Kilauea volcano started to erupt early Wednesday morning, according to an alert released by the Hawaiian Volcano Observatory.

The people most at risk from wildfire smoke are individuals with lung disease, asthma, heart disease, older adults, children, and expectant mothers.

Air quality is considered unhealthy when the Air Quality Index reaches 100 or greater. Wednesday morning, Philadelphia’s AQI was 212.

The intense Canadian wildfires are blanketing the northeastern U.S. and parts of Eastern Canada, turning the sky yellowish gray and prompting warnings for vulnerable populations to stay inside.

The tiny particles are small enough to get past airway defenses and cause breathing problems. Here's a closer look at what's happening and some precautions for dealing with the haze.

A storm chaser captured the dramatic moments when two cars began to float away.

An updated Atlantic hurricane season outlook released Thursday now calls for 15 named storms, an increase from the initial outlook, and several of them could become hurricanes, experts say.

Passengers aboard the cruise ship Carnival Sunshine were left distressed as large waves churned up by a powerful storm off the Southeast coast pounded the vessel, delaying its return from the Bahamas over the Memorial Day weekend.

Weather service officials are warning beachgoers of dangerous surf and rip currents across U.S. coasts this Memorial Day weekend.

A 4-year-old found unconscious in a car was pronounced dead at a Houston hospital. Police are investigating.

Typhoon Warnings are in effect for Guam and Rota, and forecasters say damaging winds of 39 mph are expected Tuesday evening, with typhoon-force winds of 74 mph or higher expected by Wednesday morning.