Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across our planet at altitudes of roughly 5-9 miles dictate much of our day-to-day ...

Most summers, the polar jet stream retreats northward into Canada and weakens considerably, leaving the continental U.S. with ...

Picture this: you're checking tomorrow's weather for the tenth time this week, and each time the forecast has shifted. What ...

We talk about the jet stream all the time when we’re telling you about the upcoming forecast. It’s one of the most important things in our sky that affects whether you see snow or sun at your home.

WASHINGTON, Jan 21 (Reuters) - In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) per hour, but they are not the strongest in ...

Extra waves may be great for surfers, but they can lead to tumultuous weather when they start showing up in jet streams. That’s because jet streams — blowing ribbons of wind that encircle the earth — ...

Winter is closing in, and long-range forecasters are calling this season “mostly mild with pockets of wild.” Both the Old Farmer’s Almanac and AccuWeather see a weak-to-neutral La Niña shaping a split ...