What Exactly Is The Jet Stream The jet stream, or any wind, is the result of differences in surface temperature. In simple terms, warm air rises, creating low pressure, and cold air sinks, creating ...

Another factor is the warm, southerly winds, propelling in warmer and more humid air from the Gulf. Some spots in our western ...

If you're dreaming of a wet Christmas, you're probably going to get your wish. Cassady says in this part of the country, the weather will be tender and mild. Millions of Americans are expected to ...

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 ...

Despite Chicago’s snowiest start to the season in 47 years, the chances of a White Christmas are looking bleak.

The frigid stream of air that plunged down into the Central U.S. this week is breaking cold records from South Dakota to Texas, with temperatures in the single digits setting records in many locations ...

February begins this weekend and temperatures to start the new month are shaping up to be different than what we saw much of January east of the Rockies, especially in the South. January has been ...