Severe weather could knock Oregon and Washington with winds over 60 miles per hour and hail larger than golf balls.

(CNN) — High temperatures affect public health across wide swaths of the United States each summer, causing spikes in emergency room visits and hundreds of heat-related deaths. As temperatures rise, ...

CNN is tracking extreme heat conditions for Americans each day. See where the risks are greatest — and where high temperature records might be broken.

A National Weather Service forecast has a 40% chance of snow Tuesday and 30% chance of snow Wednesday for the Lower Hudson ...

Daily and monthly temperature records could be broken later this week in parts of the western and central U.S.

With massive job cuts, the National Weather Service is eliminating or reducing vital weather balloon launches in eight ...

Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states.

A severe weather system spawned intense, long-duration tornadoes that struck parts of Arkansas, Mississippi and Missouri, leaving some communities in tatters.

Thousands of power outages were reported Saturday as a deadly severe weather outbreak moved across the Midwest and South.

Older maps, from the 20th ... there are no stranger to severe weather danger. “A lot of people think Tornado Alley is shifting, but there’s actually two Tornado Alleys. It’s just the one in the ...

There is a threat of tornadoes at night, so residents in at-risk areas are advised to set their phones to receive loud ...

Americans will have to stay up late or get up really early this week to see the latest celestial event – a total lunar eclipse. The Sun, Earth, and Blood Moon will align on Thursday night and Friday ...