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.

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.

Temperatures in Rovaniemi exceeded 30 °C this week, drawing coverage from Reuters and CNN as the Finnish Meteorological Institute warned that Lapland’s all-time heat record could be broken.

Sea surface temperatures off Norway have reached 22–23 °C, at least five degrees above normal, marking a marine heatwave that risks stressing marine life and intensifying extreme weather.

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.

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.

Central Finland is expected to experience winter temperatures approximately 10 degrees Celsius higher than average due to a warm front influenced by Atlantic low pressure and Central European winds.