During a prolonged heatwave with temperatures above 30°C (86 F) in Vindelfjällen, hikers on Kungsleden are shifting their treks to early morning and nighttime to escape daytime heat.

Thunderstorms with heavy lightning have ignited several wildfires across Vestland, prompting weather warnings and emergency responses in Hardanger, Gloppen, Kvinnherad, and Øygarden.

A severe downpour on Öland delivered 47 mm of rain in under 10 hours, flooding parts of Möllstorps camping and forcing relocation of about 20 caravans and purchase of larger water pumps.

Multiple wildfires across Finnish Lapland this week prompted dozens of rescue responses, with Border Guard and Defence Forces helicopters assisting amid dry conditions and an open fire ban.

A venomous lion’s mane jellyfish has been sighted on several west Swedish beaches between Strömstad and Malmö, delivering powerful stings that can cause breathing problems.

Fisherman Edgar Olsen hauled in over 2,000 invasive pink salmon in one seine cast during trial fishing at the Vesterelva estuary in Nesseby, distributing about half to locals and sending the rest to Lerøy.

The total area of active forest fires in the Sakha Republic (Yakutia) grew from 265 ha to 1,462.5 ha on July 22, with 10 fires being fought by 306 personnel and 14 units of equipment.

Sustained high temperatures have led to algal blooms at several sites in the Haparanda Archipelago, and local authorities are advising people to avoid bathing.

Several wildfires broke out across Överkalix and other parts of Norrbotten following a thunderstorm and lightning strikes on July 22, 2025, overwhelming local emergency services.

A rare basking shark was spotted during an Elding whale watching tour in Faxaflói Bay, marking its first appearance in the bay in five years according to the company.

Authorities in Russia’s Tyva Republic declared a state of emergency after eight wildfires grew to over 324 hectares, banning public entry to forests.

A BC Wildfire Service update reports that a wildfire near Comox Lake in B.C. grew to 4.5 hectares overnight as crews and aircraft work to contain the out-of-control blaze, while a separate 3-hectare fire near Nanaimo River Road also remains uncontained.

Heavy rain and flooding have forced the closure of the line between Achnasheen and Achanalt, cancelling the Inverness–Kyle of Lochalsh service and causing up to 30-minute delays on routes to Edinburgh, Glasgow and Aberdeen.

Norrbotten has experienced a persistent heat wave with temperatures above 30 °C for two weeks, and SMHI forecasts 32 °C in Luleå on Wednesday. Meteorologist Linus Karlsson attributes the prolonged heat to stable high pressure, with warmth expected to continue through the week.

A whale carcass washed ashore just outside the settlement of Vogar on the Vatnsleysuströnd coast this afternoon. A marine biologist suggests that altered fish migration patterns, a consequence of climate change, are likely responsible for the higher number of strandings observed.

Tourists on Gotland are adapting to a historic water shortage by bathing in the sea and limiting shower time after Region Gotland warns groundwater levels have fallen to record lows.

Many residents sought medical attention for respiratory discomfort and eye irritation caused by volcanic smog and air pollution lingering over Reykjavík and nearby areas.

A tsunami alert issued after a 7.4-magnitude earthquake off Kamchatka was lifted when no hazardous waves arrived, though aftershocks remain possible.

A blue-green algae bloom detected at Lower Thetis Lake’s main beach prompted a Capital Regional District health advisory on July 20, 2025, warning humans and pets to avoid the water.

A 4-year-old child was attacked and injured by a cougar while hiking near Hurricane Ridge in Olympic National Park; the National Park Service is seeking witnesses.