Over 140 million Americans will be under the highest-level extreme heat alerts by Sunday during a wave of above-average ...

Hail, flash floods, damaging winds, and even tornadoes are among the severe weather threats facing parts of the U.S.

The graphic will be presented with the center's other forecast products ... from local National Weather Service offices when an active tropical system is present. The map, designed to be easy ...

A radar map and map of weather watches and warnings can help readers stay on top of the weather situation. When the National Weather Service issues a watch, it means conditions are right for a ...

Experts at NOAA and the National Weather Service that it operates – including forecasters from the National Hurricane Center – are signaling another active ... the forecast is notably lower ...

A brutal heat wave is in the forecast ... and warnings were active as of Friday: "Summer has taken its time arriving in the Northeast, but it's coming in HOT," the National Weather Service wrote ...