The winds picked up and blew apart the snow clouds, leaving the sky with a thin layer of dark clouds.
The sun colored the sky a bright orange and as the sun beams hit the dark clouds, the rest of the sky colored a dark purple.
On another day during our winter road trip around Iceland, we set out super early and drove in the dark to Thingvellir National Park.
According to the National Geographic, this is what a Rainbow Cloud is:
“iridescent clouds, known as “fire rainbows” or “rainbow clouds,” occur when sunlight diffracts off water droplets in the atmosphere.