Preliminary data from Environment Canada shows Fort Smith, N.W.T., hit 39.9 C on Wednesday, breaking 1941 record.

Photos show some of the erosion caused by surge of high water in late June on the Noatak River. As of June 29th, 24 feet of bank have been lost adjacent to the Noatak Airport, and 28 feet adjacent to the landfill.

Lytton, B.C., has broken the record for the hottest temperature ever recorded in Canada for a third straight day, hitting a scorching 49.6 C on Tuesday.

In Malahat Drive in BC, an extraordinary heat wave, combined with low tides during the middle of the day resulted in the die off of possibly billions of intertidal invertebrates along the coast of British Columbia and Washington State.

While seasonal fluctuation is normal, there is evidence that this region is being strongly affected by climate change. The Municipality of Canmore’s Climate Change Adaptation Background Report and Resilience Plan (2016) shows that there has been a warming trend that is moving faster than the global average with the average annual temperature of the Bow Valley increasing.

Environment Canada said the weather system shattered more than 100 heat records across British Columbia, Alberta, Yukon and Northwest Territories.

Kwigillingok, a community on the Bering Sea coast of the Yukon-Kuskokwim Delta, is used to some flooding during high tides. But in recent years, that flooding has grown more severe, reaching a new threshold last week.

Wildfires have already begun to take hold across Washington in the wake of record heat both east and west of the Cascades. Responders are currently battling a 31-square-mile fire in Adams County, after getting sparked in the town of Lind on Sunday morning. The fast-moving brush fire has been threatening homes and vital infrastructure.

For the first time in Seattle’s history, temperatures spiked above 100 degrees two days in a row, with residents scrambling to find relief — and flocking to beaches, parks and...

A record-shattering heat wave June 26-28 coincided with some of the year's lowest tides on Puget Sound. The combination was lethal for millions of mussels, clams, oysters, sand dollars, barnacles, sea stars, moon snails, and other tideland creatures exposed to three afternoons of intense heat.

River erosion in Noatak is posing a threat to wells and transmission lines along the bank as the river ebbs closer.

Officials are still examining the substance in a lab to determine what it is, but DEC suspects it’s black tar or asphalt.

"River is running bank full with all gravel bars and low islands underwater."

Westfall thanked his training with the Alaska Marine Safety Education Association to help him maximize his odds for survival.

The Yukon River Quest has been cancelled for the second year in a row. When the river is high like that the banks are being eroded, there is no place to pull out so if you do have a problem it's really dangerous indeed.

On Tuesday night, the state of Alaska saw thousands of lightning strikes. “Most of the 3,800 lightning strikes were concentrated in the Northwest Arctic,” said BLM Alaska Fire Service spokeswoman Beth Ipsen. There are several communities in close proximity to new fires.

The agency said it has certified a 100.4-degree reading in the Russian town of Verkhoyansk last year as the highest temperature ever recorded in the Arctic.

Lymantria dispar dispar also known as spongy moth was observed in Waterloo Ontario to be in unusually large quantities during the summer of 2021.

Fueled by climate change, the heat wave is unprecedented in its timing, intensity and scope. Coupled with a catastrophic drought that has damaged crops and shrunk vital reservoirs to all-time lows, the blazing weather is a trademark of human-caused warming.

The Kuskokwim River king salmon run does not look particularly strong this year, but chum numbers look even worse. Historically, around 60% of the salmon in the river at this point in the season would be chum or sockeye, but right now Bethel Test Fishery numbers show that just over 20% of the salmon are.