The polar vortex is forecast to weaken unusually early, and that could lead to more persistent cold weather in at least parts of the U.S. in December. Last week, almost 100 daily record lows were tied ...

With less than a week to go before the end of daylight saving time, some places in the United States are already feeling the effects of the time change with earlier and earlier sunsets. Despite calls ...

A blast of cold air is expected to bring below-normal temperatures to Tennessee around Thanksgiving. The cold air is a result of the polar vortex expanding and pushing arctic air southward. Travelers ...

We sprang forward — now, it's time to fall back again. Daylight saving time will officially end in North America on Sunday Nov. 2, 2025, when clocks move back by an hour. In most of Europe, meanwhile, ...