An unusually extended Pacific jet stream could bring larger swings between cool and warm weather to California in the coming ...

The same buckled jet stream pattern behind record heat in Europe is helping keep the Bay Area cool, cloudy and showery this ...

Oklahoma’s most recent climatological winter and spring seasons brought with them abnormal weather conditions for the hibernal and vernal periods, including an unseasonably, record-breaking 79 degree ...

Michigan is forecast to see a string of warm and dry days to start June, thanks to a weather pattern known as the omega block ...

While it's been cool and wet in the Miami Valley, there's a much different set up out west. A stubborn jet stream pattern has made its mark on the entire country recently. While we find ourselves in a ...

Omega Block pattern traps heat in the Plains and South this week while storms bring severe weather to the Central U.S. and rain to both coasts.

Lately, the jet stream isn’t playing by the rules. Scientists say that big river of air high above Earth that dictates much of the weather for the Northern Hemisphere has been unusually erratic the ...

In order to break down the severe weather across the Midwest, we have to talk about the atmospheric conditions that were in place across the Lower 48 for much of March. For pretty much the whole month ...

OKLAHOMA CITY (KFOR) — Here’s a look at the Jet Stream pattern as we go into this weekend. A storm trough is developing and moving east into the southern plains with waves of thunderstorms in the ...

A blocking pattern in the jet stream is setting the stage for several days of active, stormy weather across the Prairies. The ...