Researchers investigate the possibility of a tornado during the Jasper wildfire, exploring a new class of fire-generated tornadoes and their implications for Canada's changing climate.

The smoke particles have already reached high into the atmosphere, so they won't cause health problems or unusual odours. The most colourful sunset is expected on Tuesday evening.

Authorities in Siberia’s republic of Tyva declared a regional state of emergency due to ongoing wildfires exacerbated by prolonged hot and dry weather.

Wildfires across the western United States and Canada have put millions of people under air quality alerts, as thousands of firefighters battle the flames.

A severe storm in Cornwall, Ontario, caused extensive damage, including a house fire from a lightning strike and widespread power outages.

Residents and businesses of the townsite inside Jasper National Park found out Saturday for certain whether or not they have anything to return to.

The B.C. Wildfire Service says the cold front in northern B.C. is expected to generate strong winds, thunderstorms and the potential for dry lightning in the region plagued by drought.

The Tustumena Lake fire in Alaska is 25% contained, with efforts including smokejumpers and over 56,000 gallons of water deployed to combat the 35-acre blaze.

Denali National Park has closed to visitors due to the rapidly spreading Riley Fire near its entrance, prompting evacuations and a significant firefighting response.

A fast-moving wildfire near Elliot Highway in Fairbanks, Alaska, has led to a Level 3 evacuation order for residents, with the fire rapidly growing to over a thousand acres.

A maximum-security prison in Quebec was evacuated as forest fires threatened the region, leading to the relocation of 225 inmates and a state of emergency declaration.

The McDonald Fire has grown to over 39,000 acres west of the Tanana River, with statewide fires consuming 72,000 acres; critical fire danger and smoke advisories are in effect.

The wildfire began Saturday afternoon in Gorman, an unincorporated community in northwestern Los Angeles County. California State Park Services evacuated 1,200 people from Hungry Valley Park, Cal Fire said. The fire was zero percent contained and had damaged two commercial properties as of Saturday evening.

Sakha is now the fourth region in the Far East where a state of emergency is currently in place due to wildfires. The other three are the Zabaykalsky and Amur regions, as well as the republic of Buryatia. Russia’s wildfire season officially began in early March. By mid-April, regions in the Far East recorded nearly twice as many fires as they had during the same period last year, with most blazes caused by human negligence.

The Atchuelinguk Fire, an 800-acre tundra blaze near Marshall, Alaska, extinguished naturally. Ipsen said that the fire occurred in an area where blazes are allowed to play out when not threatening known sites of value or people. The cause of the fire has not been determined.

During a bird survey in Wood Buffalo National Park, Earl Evans unexpectedly discovered a plane wreckage from a 1971 crash, typically submerged but now visible due to low water levels.

Residents of Fort Nelson, B.C., are urged to evacuate immediately due to a rapidly escalating wildfire, exacerbated by high winds and continuous drought conditions.