Helena Regional Airport, MT Current Weather

As El Niño strengthens, is an ‘Atlantic Niña’ developing?

Smoky skies are the new reality in Canada, coming at a cost

Hair suddenly standing straight up? Take cover immediately

"We were driving through flames to get out": Wildfires ravage northwestern Ontario

Lake that provides power to millions falls dangerously low

Caught on camera: Massive landslide destroys buildings, buries residents

Poor air quality due to wildfire smoke can pose unique risks to your pet

Boaters interfere with firefighting efforts near Pemberton

Astronomers detect 'raspberry sugar' near the Milky Way's galactic core

Evacuation order expanded near Boston Bar for Brunswick Complex wildfires

Massive asteroid flyby of Earth will be visible to billions of people. Here's when

Flames engulf halted Ontario train with workers inside

Strong M7.3 earthquake strikes off coast of Chiapas, Mexico

At what air quality index level should you stay indoors?

Critical weather satellite returning to duty after major malfunction

What happens when Arctic sea ice disappears?

CN workers in viral video of wildfire train cab got out safely, railway says

Not just air quality, wildfire smoke impacts water, too

Feral hogs could complicate issues to contain invasive, flesh-eating parasite

Toronto shocked by pale, orange sky as smoke invades the city

Experts are warning Canadians that another tickborne illness is on the rise

This familiar but invasive plant can take over in the heat

Latest El Niño update shows stunning growth

Tick bite sends Canadian to the ER, but not for Lyme disease

PHOTOS: Blanket of wildfire smoke creates eerie skies across Canada

Looking back at the 2021 Barrie tornado with firsthand accounts

How to stay safe from the triple threat of wildfires, smoke and extreme heat

Weird 'space balls' found washed up on a beach, what are they?

Is Canada baking? Here's what the latest drought analysis says

Can you blame the heat for slow internet?