Indiana woke up to its first hard freeze of the fall on Friday, October 24, twelve days earlier than usual. Overnight lows ...

The Pacific Ocean along the equator is where a phenomenon called La Niña develops. La Niña is the “cool sister” to El Niño.

The Northeast and Mid-Atlantic States: For this region, a weak La Niña can be very unpredictable. Sometimes the jet stream’s ...

During the winter in the Northern Hemisphere, the polar vortex can expand, weaken or wobble, spilling pockets of Arctic air ...

A WINTER STORM WARNING is in effect until noon Monday for the West Glacier Region. Heavy snow and blowing snow expected.

Frost advisories are in effect across much of Ohio this week as overnight temperatures drop low enough to threaten gardens, ...

By holding nuclear drills and boasting about the successful test of a pioneering nuclear-powered cruise missile, Russian ...

The Earth's polar vortex is strengthening, signaling a gradual cooling and a more active storm track across the northern U.S. North Carolina's first freeze typically occurs between late October and ...

The first nor’easter of the season is battering the Eastern Seaboard, already causing nearly 100 flood events in East Coast ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...