A winter storm is delivering a punch of snow to millions in the Northeast after it caused hundreds of crashes in the Midwest.

(CNN) — The two massive tropical systems swirling off the Southeast coast are a stark reminder that the potential government shutdown looms during the middle of the Atlantic hurricane season. Weather ...

(CNN) — Hurricane Humberto rapidly intensified into a Category 5 storm Friday and Saturday over the warm, energy-filled water of the open Atlantic Ocean. But there’s a quiet threat creeping toward the ...

(CNN) — The Atlantic is suddenly buzzing with tropical activity. Hurricane Gabrielle is a strong Category 3 storm east of Bermuda, and two more potential tropical systems — one nearing the Caribbean ...

(CNN) — Record cold temperatures have pushed as far south as Florida this morning as wind-whipped snow continues to pile up in the eastern Great Lakes from a brief bout of Arctic air gripping the ...

(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 ...