The worst, however, will hit the Southeast and Gulf Coast.

"It will feel like early fall across much of the Lower 48 as a strong cold front plunges southward," one meteorologist said.

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

New York City broke a record Tuesday afternoon, hitting 100 degrees Fahrenheit at La Guardia Airport. Tampa, Florida, which ...

(CNN) — Violent thunderstorms with hurricane-force wind gusts roared across the northern Plains and upper Midwest overnight, downing trees, knocking out power and causing damage in<a class ...

Strong storms that brought hurricane-force winds to an area stretching from the Upper Plains to the Midwest have been preliminarily classified by the National Weather Service as a derecho, defined ...