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 ...

An unusual jet stream pattern has helped fuel extreme weather across North America. Some scientists say it’s driven by climate change. The oppressive heat wave roasting Texas and Mexico is rekindling ...

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 ...

An outbreak of severe storms, including deadly tornadoes, hail bigger than DVDs and life-threatening flooding, has ravaged the South, coming amid a month of wild weather across North America. Texas is ...

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 ...

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 ...