Meteorologist say the jet stream is barreling down near-vertical, scream-inducing drops, followed by straight-up ascents.

The active jet stream is bringing snow, ice & cold rain to the Southeast & Northeast. Stay updated with the latest forecast.

A transition to El Niño is expected sometime this summer, unfolding just as hurricane season is getting underway.

A large dip in the jet stream will bring a line of showers & storms into the CSRA during the day Thursday. With lots of ...

The first week of March is shaping up to be a true roller coaster for temperatures. An active jet stream will bring highs into the 70s later this week after a chilly start, with a brief wintry mix ...

Extreme weather of varying kinds is hitting all over the U.S. this weekend.

A tornado outbreak has left at least six people dead and caused significant damage as severe weather moved from the South to the Midwest.

Weather experts are predicting that El Niño is coming back this year. El Niño can affect fall hurricane seasons. Seas are ...

Forecasters have released updated guidance on El Niño and its potential impact on summer weather patterns. El Niño Forecast ...

When you flip the thermostat down on a sweltering afternoon, you might not think about what's happening five or six miles above your head. Yet the behavior of high-altitude winds called jet streams is ...