Reinforcing shots of cold air will continue to dive into the Northern Plains and Midwest this week. The coldest air will move in Friday, Saturday and Sunday, and wind chills will drop well below zero for many, including Minneapolis, Chicago, Kansas City and St. Louis. Watch this to see how cold it will get.

The next clipper will bring snow, ice and wind to the Midwest and Great Lakes Tuesday, shifting east and impacting the Northeast Wednesday, A swath of 3-5 inches looks likely for many with some locations seeing up to a foot of snow. On top of that, wind gusts in excess of 60 mph will be possible, leading to blizzard conditions and power outages in the bitter cold. If you must travel, make sure you have a winter emergency kit with you at all times. Check your hour-by-hour forecast here.

Japan is assessing damage from Monday's large earthquake as aftershocks continue along the country's northeast coast.

Another atmospheric river is slamming into the Pacific Northwest. While some of these can be beneficial, this one may be largely hazardous for flooding rain. Here's the latest forecast.

A resident of Morris, Minnesota, captured not one, but two stunning phenomena high in the sky over her state. Freezing temperatures and a bright, sunny day combined to create sparkling, colorful halos, one that flanked the sun and one that hovered upside down above it.