Pineapple Express poised to unleash serious flood threat for Pacific Northwest this week Following a very wet pattern last week, AccuWeather forecasters warn that additional rain is on the way for the ...

First clipper storm to cover half the country in just over a day The first clipper storm and its snow will travel about 1,000 miles in 24 hours from southwestern Iowa on Thursday to western Virginia ...

Will cold clipper storms finally bring snow to NYC, Philly and Boston? Chicago, Detroit, Des Moines, Iowa, and even Richmond, Virginia, have picked up accumulating snow so far this year--but when will ...

A fast-moving weekend snowstorm is riding along the most intense wave of frigid air this December so far and will continue to bring hazards to streets and highways as well as delays at airports from ...

Millions brace for 'mother lode' of cold air, but a change is in sight for central, eastern US Arctic air, rivaling the lowest temperatures of the polar vortex episode in recent weeks, will grip the ...

On the heels of a storm that spread accumulating snow across portions of the Plains and Midwest over the weekend, multiple fast-moving storms will take shape through this week, promoting rounds of ...

A series of atmospheric rivers has caused days of heavy rain in the Pacific Northwest, with some locations getting as much as a foot of rain — and AccuWeather meteorologists say it isn't over yet.

Northwest US flooding rainstorms take a break, but not for long as pineapple express looms Western Washington will get a much-needed break from torrential rain into this weekend. However, more rain is ...

Budding activity over the vast Atlantic hurricane basin has AccuWeather meteorologists closely watching multiple areas of interest, and some of those may pose a threat to the United States in the ...

Black hole’s feeding frenzy triggers longest cosmic explosion on record A gamma-ray burst likely caused by a black hole consuming a star has sparked a debate among astronomers, who say the event may ...

Back-to-back atmospheric rivers to unleash major flooding in western Washington, Oregon A pair of atmospheric rivers will unleash many inches of rain and trigger major flooding in parts of western ...

Northern lights forecast: Aurora could be visible across northern U.S. Tuesday after solar eruptions A strong geomagnetic storm forecast by NOAA’s Space Weather Prediction Center could make the aurora ...