Frigid temperatures across much of the U.S. didn’t stop people from getting outside to witness a stunningly beautiful display of the northern lights.

Get ready for a weather whiplash! After a record cold snap early this week, a pattern change will bring a big warmup across much of the country. The exception will be across the Northeast, with temperatures at or below average. Areas in the Northern Plains and Ohio Valley that have snow on the ground will see highs soar into the 60s and 70s by Thursday and Friday. The warmth will peak for many on Saturday, but will continue across the Deep South and Southeast into next week.

A small plane taking hurricane relief supplies to Jamaica took a fatal dive into a pond in the backyard of a home in Coral Springs, Florida. The crash was captured on camera Monday morning. Watch this video for the latest.

The first snowfall of the season brought flurries to Chicago’s Brookfield Zoo. While some of the animals were curious about the stuff falling from the sky, one resident seemed decidedly unimpressed.

Chicago got its first snow of the season, but it was far from your typical dusting. A band of lake-effect thundersnow took aim at the Windy City, bringing snow with a side of thunder and lightning. But how did this happen? Meteorologist Caitlin Kaiser breaks down the lake-effect phenomenon and how the rarity of thundersnow got into the mix.