Tropical Storm Imelda is strengthening and is expected to become a hurricane by Tuesday as it moves off the Southeast coast, kicking up dangerous surf, rip currents, coastal flooding and beach erosion from Florida through the Carolinas.

As a taste of fall gives much of the United States a break from a hot, humid summer, some forecasters are already skipping ahead to winter, and a possible homecoming for an important atmospheric player: La Niña. La Niña has about coin-flip odds of ...

A pair of hurricanes are churning up dangerous rip currents and huge waves along the Atlantic coast and battering Bermuda with a powerful one-two punch. Hurricanes Imelda and Humberto are spinning in the western Atlantic Ocean this week after collapsing five unoccupied houses along North Carolina’s Outer Banks,

A marine heat wave spanning much of the North Pacific Ocean is already influencing weather in North America and is poised to make its mark on winter. But forecasters have another global weather pattern to consider: La Niña.

A nor’easter continued to churn its way up the East Coast on Monday, forecasters said. The sprawling, powerful storm has caused excessive rain, high winds and coastal flooding, prompting emergency declarations,