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.

A rockfall struck Suðurlandsvegur at Holtsnúp under Eyjafjöll on August 17 at the same spot where a fatal accident occurred in March, prompting calls for urgent safety upgrades on this stretch of the South Coast Road.

Rescue teams assisted dozens of travelers in the Fjallabak/Landmannalaugar highlands as heavy rain and high water submerged roads. Advisories to avoid the area appear to have worked, with few vehicles present and all travelers getting through safely.

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.

A sheep house east of Vík í Mýrdal was washed out to sea amid heavy surf, and rescuers fear a nearby horse stable could be lost at the next high tide as winds strengthen. No animals were inside; valuables were cleared and yellow weather warnings are in effect for South and Southeast Iceland.

Storm Floris struck Langesund in Telemark, Norway, ripping roofs off summer cabins at a Norsk Hydro holiday site, though no injuries were reported.

A magnitude 5.2 earthquake struck the Bárðarbunga volcano under Vatnajökull about 20 minutes before midnight, and it was felt as far away as Akureyri.