CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

NOAA has released its long range outlook for South Carolina. Here's a look at how cold it could be in 2025-26.

Winter in New York City might be extra cold this year, and it's all because of a polar vortex on the other side of the world.

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 ...

Winter is approaching, and millions of Americans are wondering what Mother Nature has in store for the coming months. Will it ...

Temperatures are cooling in Illinois, which means the first snow of the season isn't too far away. Here's when to expect. the ...

La Niña, which typically steers storms north of D.C. and tilts the odds toward less snowy winters, has returned. But its weak ...

Scientists are warning that the North Pacific ‘Blob’ is back, and this ocean heat wave could have consequences around the ...

Early snowpack and plunging temperatures in Siberia could be setting the stage for a colder, snowier winter in Minnesota.

A late 2017 polar vortex led to temperatures diving to 45 below zero in northern Minnesota. The wind chill was under 60 below ...