This marks the first summer that the weather service in Alaska has issued heat advisories to share with residents what they can do to mitigate hot conditions. Climate scientists say those notices are likely to become common.
The National Weather Service has issued its first-ever heat advisory for Alaska, covering Fairbanks as temperatures are expected to climb into the mid-80s this weekend.
A spring survey by the Icelandic Marine Research Institute recorded a sea surface temperature of 7.8 °C at Siglunes—3.2 °C above the 1991–2020 average—and found unusually warm, saline water flowing onto the northern continental shelf.
Reykjavík’s temperature yesterday came within half a degree of the city’s May record amid warm, dry, and bright conditions, with similar weather expected until rain arrives Thursday.
Winnipeg hit a record daytime high of 35.2 °C (95.36 F) on May 12, 2025, shattering a 67-year-old May 12 temperature record amid Canada’s first heat wave of the year, Environment and Climate Change Canada reports.
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