Severe weather threatens the mid-Mississippi Valley and Southeast this weekend, with possible hail, and isolated tornadoes. Newsweek's live blog is closed.

They include reductions of weather-balloon observations at the National Weather Service’s North Platte office and an early ...

That sometimes includes data captured daily through balloons released nationwide by the National Weather Service every day ... be launched off of NWS’s North Platte location once per day.

"We have survey teams who are getting ready to head out now and determine potential tornado touchdowns," National Weather Service (NWS ... of reports of tree and pole damage.

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of Earth’s poles 10 to 30 miles above the surface. The term vortex is used to ...

Pack your sunscreen and warm-weather wax and get ready to enjoy the ... whose adventures span from following musk oxen through the North Pole to performing the Australian Bush Dance at the base ...

A late winter snow blast driven by a 14F Canadian plunge threatens to bury swaths of the US under a foot-deep Arctic blanket.

The last tornado warning issued by the National Weather Service in Chicago was dropped ... as was a collapsed garage and some power pole damage. Then overnight, those same areas got snow.

12:25 p.m. — Tornado Watch issued for entire region The National Weather Service has issued a Tornado Watch until 8 p.m. for most of the Hampton Roads and northeast North Carolina region.