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.

Flooding partially blocks traffic at the exit to the E4 highway near Ersnäs, south of Luleå. Unseasonably high temperatures have accelerated snowmelt, leading to overflow in the roadway.

Several seasonal ice roads in the Northwest Territories, including the Wekweeti and Dettah routes, have closed earlier than their long‐term averages, with additional roads on short notice closures due to warming temperatures.

A mini-heat wave struck Kodiak on Tuesday, breaking a temperature record that had stood for 70 years since 1954.

Luleå kommun has closed its ice rink for the season after observing a rapid melt that reduced the ice thickness by 15 centimeters over two days, raising serious safety concerns.

A weather station in Vihti, Southern Finland recorded an unprecedented 18°C on Wednesday, marking the highest reading for this time of year in recorded Finnish history, though colder weather is forecast later in the week.

A warm spell in March shattered long-standing temperature records across the Inland Northwest, with daily highs and minimums exceeding century-old benchmarks. A cooling weather pattern with rain is expected to follow the record-setting heat.

Mild weather in Nordland, Norway, is causing hazardous road conditions with avalanche risks, road closures, and chain traffic, leading to significant travel disruptions including school bus delays.

In Kokhanok, Alaska, the absence of swamp (wood) frogs raises concerns about cause and potential environmental disruptions.

Alaska experiences unusual weather with multiple false springs, marked by warm periods followed by heavy snow or cold, casting doubt on the arrival of summer.

Environmentalists say the latest flooding may have sent radioactive substances into the river, potentially affecting hundreds of thousands of people living near the banks of the Tobol downstream. State nuclear agency Rosatom, whose subsidiary operates the mines at the Dobrovolnoye uranium deposit, denied that its mining facilities were impacted by the flood.

The swelling Tom River in southwestern Siberia has led to a partial dam collapse in the city of Tomsk. This year’s heavy rainfall, combined with abnormally warm spring weather, has led to severe flooding in Russia’s Urals and western Siberia. So far, the floods have submerged around 15,600 homes and 28,000 land plots in 193 Russian towns and cities across 33 regions.

Coral reefs worldwide are experiencing a severe bleaching event, with satellite data indicating extreme heat stress across all oceans, threatening near-complete mortality for many corals.

The mayor of the southern Russian city of Orenburg urged residents to evacuate immediately on Friday as water in the nearby Ural River reached critically dangerous levels and was not expected to recede until next week.

Peak bloom of the cherry blossoms in Washington, DC, happened on March 17, ahead of the National Cherry Blossom Festival.

Early March's relatively mild start will get wetter in southern areas on Thursday, when a significant amount of rainfall is expected — with up to a full centimetre expected in western areas.

"The river was iced over for less then 6 weeks! As opposed to 5 months of ice 2 to 3 feet thick before climate change."

Few places in Europe were warmer than the Finnmark region on Tuesday. Nyrud in the Pasvik valley measured a peak at 25.3 degrees Celsius (77 F), actually higher than the Mediterranean coast of Spain and Italy.The normal chilly winds along the coast of Finnmark in Norway and Kola Peninsula in Russia were replaced by very warm air.