Photo captured dark tornado funnel in Polk County Saturday

The Polk County Sheriff’s Office posted a photo of a tornado taken as severe storms swept through Minnesota on Saturday. 

El Nino blamed for recent bird deaths along Mexico's Pacific coast

Many seabirds in this region died recently, with more than 90% of the affected birds being grey-backed shearwaters, according to the Ministry of Agriculture and Rural Development in Mexico.

How El Niño, 'freakish' warm oceans may impact hurricane season

It's the first El Niño year since 2019. The climate event can have significant impacts on the weather, including the Pacific and Atlantic hurricane seasons.

American Airlines allowing passengers to rebook without fees as wildfire smoke impacts Northeast

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.

Dangerous air quality smothers major cities as Canada wildfires push smoke into US

NYC and Philly will see some improvement later, but the smoke will linger over the Baltimore-Washington corridor and spread west to Pittsburgh and the Ohio Valley.

It’s official: World enters El Niño climate pattern

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.

How to protect your pet when wildfire smoke creates poor air quality

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 begins erupting again

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

Photos: Wildfire smoke turns sun to reddish orb over Northeast

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

Quebec ordering more evacuations with dozens of wildfires in Canada still out of control

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.

Canada wildfires lead to air-quality alerts in US – Here's how to stay safe

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.