The jet stream is a narrow, concentrated band of particularly strong winds within the upper-level westerlies. In winter, one ...

If you’ve ever heard a meteorologist mention the jet stream and thought, “Okay… but what does that actually mean?” You’re not alone. It’s one of the most important drivers of weather across the United ...

The jet stream also played a role in the 2025 hurricane season. Given its west-to-east wind direction, the southward dip of the jet stream—along with a weak high pressure system over the ...

Add Yahoo as a preferred source to see more of our stories on Google. At the same time, every hurricane that formed, including the three powerful Category 5 storms, steered clear of the U.S. mainland.