The multiday severe weather threat will develop in the Midwest and South this weekend and then spread toward the East Coast by Monday. Destructive straight-line winds, large hail and strong tornadoes are all potential threats.

April's temperature forecast is shaping up to be warmer-than-average from the Southeast to the Plains and Southwest, while parts of the northern tier might have to deal with frustratingly cool weather at times.

A rare celestial explosion could create a brand new bright spot in the night sky as the T Coronae Borealis, a star that erupts only once every 79 years, is on the verge of its next blast. NASA experts predict March 27 is the most likely day for the fiery spectacle. If skies are clear and cloudless, here’s where to look to witness the one-in-a-lifetime cosmic event.

Winter may be over, but wintry weather is not quite done. A storm system pushing through the eastern half of the U.S. could cause snow and ice across portions of the Great Lakes and New England. Icy roads will be especially hazardous for travelers, and cities like Duluth, Marquette, Portland and Bangor expect accumulating snowfall. Power outages are also possible where ice accumulates on trees and power lines. Here’s what you need to know.

Dramatic video shows a boy racing outside to get his dog as severe storms rained down in Gary, Indiana. Then, just moments later, see how a tornado tore apart the family’s backyard.