A second night of bitter cold blanketed Mississippi Wednesday morning and broke records for low temperatures in some cities.

El Nino and climate change led to an unusually warm December in Łutsël, N.W.T., affecting Christmas plans and ice-related activities due to Great Slave Lake not freezing over as expected.

Kvikkjokk was the coldest place in Sweden last Wednesday at with a temperature reaching as low as -43.6 degrees Celsius. But warm northwesterly winds increased the temperatures by about 40 degrees in a matter of hours.

Extreme cold has hit the north of Sweden, with temperatures reaching lower than -40 degrees Celsius in some areas.On Tuesday, train company VY announced that all departures north of Umeå were cancelled until Thursday for safety reasons, due to the cold weather.

A storm caused flooding and road closures in New Hampshire's White Mountains and North Country, with ongoing concerns about rising river levels and dam operations.

Eaglecrest Ski Area's opening is delayed again due to warm weather and rain, with no new target date set for the season start.

In Fort Simpson, the weather is still not cold enough to open the community's ice rink. Young athletes in the community say they are struggling to adapt.

Big snow falls, warm temperatures, and strong winds covers snow surface with a variety of seeds from trees.

Bethel Search and Rescue advises against travel on the Kuskokwim River due to dangerous conditions of open water and thin ice identified in their annual aerial survey.

Shifting seasons and hotter temperatures could allow Alaska farmers to grow more abundant and diverse produce. But climate change can also bring drought, pests and permafrost thaw.  Human-caused climate change is bringing longer and warmer growing seasons, but also pests and unstable weather.

British Columbia's prolonged drought risks damaging the salmon population for generations and has led to a series of emergency, rapidly deployed projects in an effort to intervene. In the Comox Valley, aerators have been installed in the Tsolum River to maximize salmon survival by increasing dissolved oxygen levels, and work has started at the mouth of the Tranquille River to re-establish water flow between the upper and lower sections so salmon can migrate upstream to their spawning grounds. More than 80 per cent of the province is at Level 4 or 5 drought conditions, the highest possible rankings, after months of little or no rain.

The average temperature in July was 48.4 degrees — 6.7 degrees above normal, with 11 hot days in a row. Such extreme warmth can accelerate the greening and permafrost thaw on the North Slope.

The sockeye salmon are coming back smaller for the Newhalen River and Iliamna Lake, plus not a thick as they once did when I was younger.

A buoy in Manatee Bay, about 40 miles south of Miami, posted a temperature of 101.1 degrees at 6 p.m. after a morning low of 91 degrees. Temperatures remained at or above 100 from 5 p.m. through late evening. For comparison, the “ideal” temperature of a hot tub is 100 to 102 degrees, according to jacuzzi.com.

Phoenix's blistering July heat wave has broken multiple records. There's little relief in sight, according to the National Weather Service. Every single day so far in the month of July, the high temperature — as recorded by the National Weather Service at Phoenix Sky Harbor International Airport — has been 110 degrees Fahrenheit or higher.

Historical heat records shattered as temperatures soar above 45°C, prompting government precautions.

Wildfires are still burning in Quebec's northern zone, with 11 fires still considered out of control early Tuesday morning. However, the provincial forest fire prevention agency, SOPFEU, said rain since Sunday and rising humidity have helped stabilize the flames for the time being.

A mountain biker died Saturday after trying to help dehydrated hikers in an eastern San Diego valley, officials said.

Alaska is one of the only places in the world where peony flowers grow in the summer months. But the unusually cold, wet weather this year is delaying the blooms by weeks.

Environment and Climate Change Canada (ECCC) has issued heat warnings for Yellowknife and many communities in the South Slave, Sahtu and Beaufort Delta regions — where day time temperatures near 30 C and overnight lows near 20 C are expected in the coming days. People are urged to seek out air conditioned spaces to seek relief.