A topsy-turvy week of weather starts cool and ends on a warm note.

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

A blocking pattern will make for slow-moving weather. From a flood threat to upside down temperatures: here’s what we’re watching.

There is still quite a wide range in specific outcomes among model ensembles--including for the near-term low pressure ...

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.