Punishing winds have combined with low temperatures to produce dangerously cold conditions across the Northeast. Forecasters say, though, that relief is on the horizon.

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

Intense cold is settling in over the northeastern United States after winter storms brought snow and ice. Will the bitter ...

New York is bracing for the coldest air of the winter this weekend, with snow. Learn how the polar vortex is involved.

Extreme cold warnings span several eastern states as of Friday, with meteorologists warning of frigid wind chills.

The daily forecast from Idaho's trusted KTVB First Alert Weather team.

Portland should see partly sunny skies Tuesday once any fog burns off. The high temp will be about 60 degrees. Sunnier skies ...

The skiing resort of Val d’Isère in the French Alps took a big step Monday toward hosting events at the 2030 Winter Olympics ...

While dense morning fog will lift by noon on Sunday, skies will remain mostly cloudy as unsettled weather passes north of our region.

Large plumes of polluted air have spread out across several states in the US on Thursday, triggering alerts to stay indoors ...

Large plumes of polluted air have spread out across several states in the US on Thursday, triggering alerts to stay indoors and avoid strenuous activity.

Dense tule fog has gripped the Central Valley, cutting visibility on I‑5, 80 and 99. Where it's worst, driving safety tips, ...