Climate scientists have long watched the jet stream with fascination and growing concern. These rivers of air racing across ...

In the United States, our weather patterns usually travel from the west to the east. Sometimes, we can see variations in that a system will move in from the northwest or southwest, but Missourians ...

The jet stream is about 14 percent slower in the fall now than in the 1990s, according to a recent study by Francis. And when it slows, it moves north-south instead of east-west, bringing more unusual ...

The weather pattern may turn active again around Easter weekend across Indiana. We’re closely watching the jet stream as it stirs up the potential for thunderstorms—especially heading into Good Friday ...

Weather patterns like heat waves or dry spells can sometimes stall over one region. A new University of Arizona study found clues about why. The researchers analyzed tree rings from centuries-old ...