If you've watched a weather forecast and wondered what low pressure and high pressure systems are all about, we — and the ...

PENNSYLVANIA, USA — Clippers, officially called Alberta Clippers, are fast-moving low-pressure systems that form in or near Alberta, Canada. The system moves across the Great Lakes, clipping them, ...

SIOUX FALLS, S.D. (KELO) — As we all know, not every winter storm is the same in KELOLAND. A big factor in the type of weather we can get is where the storm is coming from and where it ends up.

Extreme weather is no longer viewed as a series of isolated natural events, News.Az reports. It has become a structural ...

Met Eireann stressed that its extended-range forecasts "can at times provide an insight into weather patterns in the months ...

High pressure leads to sunshine and cool weather Tuesday. Light rain and snow will then move in Wednesday through Friday of ...

CHIEF METEOROLOGIST GINA DEVECCHIO IS HERE NOW... A WEAK SYSTEM IS CURRENTLY BRINGING LIGHT RAIN TO THE NORTH BAY. SHOWERS HAVE BEEN FAIRLY ISOLATED SO ONLY A FEW LOCATIONS IN NORTHERN SONOMA AND NAPA ...

The polar vortex is a large and very cold area of low pressure that surrounds the poles. It always exists, but it becomes stronger and more defined during the winter months. The stratosphere, where ...

A strange atmospheric pattern known as an "omega block" is preventing the usual eastward progression of weather across the U.S. — but what is this weird block, and when will it go away? When you ...

Temperatures are set to plummet at the end of the month ...