Record late-October snowfall in Reykjavík snapped many trees in Fossvogskirkjugarður cemetery, with birch hit hardest. Cleanup is underway and may take weeks; damage also occurred in Gufunes and Hólavallagarður cemeteries.

Most domestic flights in Iceland were canceled due to weather, affecting about 700 passengers. Icelandair cited strong winds aloft causing turbulence and icing; only early flights to Akureyri and Bíldudalur operated, with conditions expected to improve by tonight or tomorrow.

Iceland experienced intense cold overnight, with -19.8°C recorded at Sandskeið around 6 a.m., and meteorologist Einar Sveinbjörnsson says it is likely the coldest 30 October on record. Reykjavík dropped to just over -8°C, and an Icelandic Met Office table showed -20.2°C at Setur south of Hofsjökull overnight.

Reykjavík recorded 27 cm of snow at 9:00 on October 28, likely the deepest October snow on record, surpassing the previous 15 cm set in 1921. Heavy snowfall and poor visibility were forecast on the Suðurnes/Reykjanesbraut corridor with 50–75 mm precipitation expected.

A mosquito species, Culiseta annulata, has been confirmed in Iceland after specimens of both sexes were captured in Kjósarhreppur on October 16–18, 2025. The find suggests mosquitoes may now be present in the country, long considered free of them.

A Cattle Egret was spotted west of Ólafsvíkurenni on Iceland’s Snæfellsnes peninsula, a very rare occurrence. A bird expert links increasing appearances of southern species in Iceland to climate change.

A magnitude 3.3 earthquake struck near Grjótárvatn on Mýrar this morning, the largest in the Ljósufjöll volcanic system in about three and a half months. Roughly 45 quakes have occurred since last night at 15–20 km depth, and the Icelandic Met Office notes concern would rise if activity shallows.

Highly pathogenic avian influenza (H5N5) was confirmed in multiple dead gulls found at Blönduós and in a female duck found dead at Sauðárkrókur in North Iceland. Authorities urge biosecurity for poultry, public reporting of dead or sick wildlife, and caution by hunters.

Vestari Hagafellsjökull, on the south side of Langjökull, has retreated about 200 meters since 2023, according to a preliminary glacier-terminus survey conducted on 20 September 2025. Since 2009 the glacier has receded roughly 973 meters through 2023, with accelerated retreat likely tied to this summer’s warmth.

Icelandic authorities report that 7 of 22 salmon submitted for testing were confirmed as farmed escapees, caught in several North/West Iceland rivers. Tracing suggests six fish share a common origin in Dýrafjörður; investigations continue and anglers are asked to turn in suspect fish whole for analysis.

A sudden glacial outburst flood from a marginal lake near Langjökull sent water into the Svartá and downstream into the Hvítá in Borgarfjörður, peaking above 400 cm overnight before easing to just over 300 cm. Authorities warn further river flooding is possible in coming days, with increased landslide risk in southeast Iceland.

A magnitude 3.3 earthquake struck northeast of Langjökull near Djöflasandur this morning, marking the strongest quake in the area since November 2007.

Severe winds on the Holtavörðuheiði pass in Húnaþing Vestra, Iceland, blew apart three caravans, prompting a multi-hour rescue response by the Húnar Hvammstanga search and rescue team.

Reykjavík fire department responded to 18 water damage calls over two hours during heavy rain, including flooding in the basement of the Kjarvalsstaðir art museum.

An inspector from the Icelandic Fisheries Agency counted around 100 farmed salmon in the lower section of Haukadalsá, marking the largest occurrence of escaped farmed salmon in an Icelandic river, and plans are underway for removal operations including using anglers and Norwegian divers.

The snow patch at Gunnlaugsskarð in Esja melted out by early August 2025, marking one of the earliest disappearances on record, previously only in July of 1941 and 2010.

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.

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

Levels of fine particulate matter have risen in Reykjavík, likely due to smoke from Canadian wildfires, prompting health advisories for those with respiratory issues.

Rescue teams in Reykjavík will make a second, high-tide effort this evening to nudge an orca stranded since Tuesday night in the shallow cove of the Grafarvogur neighbourhood back into open waters.