It was above 90°F north of the Arctic Circle yesterday in northern Finland -- more than 30F warmer than a normal mid-July day.

We are rapidly changing the Earth's climate, and the Arctic is the most rapidly changing place on the planet. https://t.co/5OcORdGuLB

— Eric Holthaus (@EricHolthaus) July 19, 2018

Death Valley, the hottest location in the nation and the world, just had its hottest month ever recorded - for the second straight year. 21 days w/ highs 120+. Palm Springs, Calif. and Reno, Nev. also had their hottest month ever observed. Details: https://t.co/CViZEdBXIU

— Capital Weather Gang (@capitalweather) August 1, 2018

(2nd LD) S. Korea logs highest-ever temperature of 40.3 C https://t.co/q8cVtKJ8qy

— Yonhap News Agency (@YonhapNews) August 1, 2018

Last night was the hottest night ever recorded in #Berlin

via @WetterOnline #heatwave #HeatWave2018 #Hitzewelle #Hitze #Hitzerekord pic.twitter.com/NFruv5aJId

— Gregor Kalinkat (@gkalinkat) August 1, 2018

So according to the newly bought thermometer it is a record breaking day in Ourique Portugal. Moved into shade at 11.50am and temp has gone to 48 degrees @stormhour #stormhour @MailOnline #HeatWave2018 #Portugal pic.twitter.com/8YY6oOVcB8

— Mike (@mikepriceme) August 4, 2018

Very hot day in the Sierra de Urbión, N. Spain, #España: looking for the last snowdrifts.
But the worst is in central and southwestern Spain: the weather forecast for today is 40 C in Madrid and around 45 C (113 F!) in Sevilla or Córdoba.@StormHour@EarthandClouds#ThePhotoHour pic.twitter.com/BMY8gYqd8p

— Agustín Sandoval (@meteoduruelo) August 4, 2018

Climate change is projected to bring 50+ 100°F days to much of the southern U.S. Here's what that might look like across the country https://t.co/8IXz3dFPJZ pic.twitter.com/dFEuL5ZbI7

— Climate Central (@ClimateCentral) August 4, 2018

This weekend, Glacier National Park recorded the hottest temperature in its history: 100°F

Now, it's on fire and being partially evacuated.

Glacier -- National -- Park https://t.co/yQlLmvFCdj

— Eric Holthaus (@EricHolthaus) August 13, 2018

“Southern California coastal waters have been anomalously warm since the beginning of 2014, when we experienced a marine heatwave,” @Scripps_Ocean

Scripps Pier records highest ocean temperature in its 102-year history: 78.6° https://t.co/LOMKkHqUeS #oceans #cawx #ClimateChange pic.twitter.com/Rtc39bTbE4

— Ed Joyce (@EdJoyce) August 4, 2018