(CNN) — A nasty coastal storm, known as a nor’easter, is organizing and strengthening off the Southeast US. The storm is poised to deliver tropical storm-force wind gusts, soaking rain and dangerous ...

(CNN) — Tropical Storm Melissa is crawling through the Caribbean Sea, threatening to unleash life-threatening flooding and mudslides across parts of the region later this week. It’s proof this year’s ...

Dangerous, critical fire weather conditions persist Wednesday after more than a dozen new wildfires torched tens of thousands of acres and forced evacuations in the Plains amid bone-dry conditions and ...

(CNN) — A serious flood threat is on tap for some of the driest areas of the United States as an ailing former Hurricane Priscilla combines with another storm system to create a long-lasting rainfall ...

(CNN) — A marine heat wave spanning much of the North Pacific Ocean is already influencing the weather in North America and is poised to make its mark on winter. The unusually warm ocean water, coined ...

(CNN) — A powerful winter storm swept across the central and eastern United States, knocking out power and snarling travel during one of the busiest stretches of the holiday season. The wide-ranging ...

(CNN) — A blast of Arctic cold air is set to sweep across the country just as family and friends take to the roads and skies to gather for Thanksgiving. Parts of the Rockies and Plains are already ...

(CNN) — A major winter storm is spreading heavy snow and damaging ice across a large portion of the United States. Extremely cold temperatures will only worsen the storm and increase its danger. The ...

(CNN) — A powerful burst of energy from the sun streaming past Earth painted the night sky as far south as Florida with stunning northern lights displays overnight Tuesday. The dancing red and green ...

(CNN) — Much of the United States is experiencing prolonged and extreme cold weather, with recent winter storms, dangerous windchills and record low temperatures affecting millions of people. As ...