Some areas of the Great Plains and Midwest also face severe storm threats on Tuesday, potentially affecting cities including ...

Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

A heat dome​ is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service​ ...

Here's everything you need to know about the heat wave. 'Rare' and 'dangerous': Record-smashing heat wave to scorch tens of millions. National heat index map: See which states feel hottest The map ...

He says it can help find narrow layers that are dry or wet or warm and cold, which play a role in severe thunderstorms forming. The NWS launches weather balloons at around 92 sites in the U.S. The ...

For at least half a century, the National Weather Service has been an around-the-clock operation. That is no longer possible in parts of the country.

The National Weather Service will send teams to the area June 26 to confirm whether it was a tornado, along with its track and intensity. More storms, some severe, are forecast for parts of ...