As Hurricane Melissa roars through the Caribbean as a Category 5 storm, its winds of 160 mph and pressure near 917 millibars ...

La Niña conditions developed in September with sea surface temperatures 0.5° below average in the equatorial Pacific. Here's ...

Our seasonal forecasts are based on our past weather history and changes in global circulations patterns.Last winter we were ...

Powerful winds are ripping through the Arctic, breaking up critical sea ice that once acted as a shield against disturbance ...

Extreme weather events caused by planet-warming pollution can also create costly damage to homes, businesses, and ...

A marine heat wave spanning much of the North Pacific Ocean is already influencing weather in North America and is poised to ...

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 ...

Kevin Marcus of Marcus Weather Consulting gives the areas to watch as harvest goes into the home stretch in the northern ...