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

A cold winter is in store for those in the northern U.S., with milder temperatures across the southern tier, according to ...

More than 100,000 people are on organ transplant waiting lists in the US, each holding onto hope for the chance at a healthier, longer life. As demand outpaces available donors, some doctors around ...

A freeze watch has been issued for most of Connecticut as temperatures are expected to possibly dip below 30 degrees. The watch has been issued by the National Weather Service from Thursday evening ...

A deadly tornado that ripped through a rural city in North Dakota in June has been upgraded to an EF-5, the National Weather Service said Monday, marking the first U.S. twister with an EF-5 rating in ...

SALT LAKE CITY (ABC4) — Saturday, Oct. 4, was the second wettest day in Salt Lake City area’s history, according to the National Weather Service (NWS). The wettest day was recorded in 1901. A deep, ...

Due to the lapse in federal government funding, NASA is not updating this website. This movie captured by NASA'S Cassini spacecraft shows a south polar vortex, or shows a south polar vortex, or a ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

Here's what Magnolia State residents need to know about the first frost, the polar vortex and more as fall starts cooling down. The National Weather Service keeps track of when the first freezing ...