Scientists say a closely watched atmospheric pattern — the jet stream — is behind both the Canadian wildfires and the scorching heat in Texas, raising questions about how it shapes extreme weather ...

An idealized illustration of giant meanders in the global jet stream known as wave-4 patterns, which are bringing extreme winter cold and/or precipitation (blue areas) to parts of North America and ...

TULSA, Okla. — While we live well below the jet stream, it affects our everyday weather. This current of winds between 4 and 8 miles above the surface, guides storm systems around the globe. On ...

ST. LOUIS – The stormy weather pattern slamming the St. Louis region since early July isn’t going anywhere just yet. So far, the month of July and the beginning of August have been the main culprits ...

Pop-up showers and storms will be possible for the next couple of days with hot and humid conditions. The jet stream pattern changes later this week, increasing storm chances Friday through the ...

Centuries-old trees can hold clues about global weather patterns. A new UA study unlocked some of those clues.

One of the big contributors to the record-breaking global temperatures over the past year — El Niño — is nearly gone, and its opposite, La Niña, is on the way. Whether that’s a relief or not depends ...