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Maps show heat wave forecast across much of U.S. Here's when it starts and how long it will last.
More than 150 million Americans are under the highest level extreme heat alerts during a wave of above-average temperatures.
How to stay safe during the summer's first heat wave
An extremely dangerous heat wave is predicted to hit the Midwest and the East Coast on Monday and Tuesday, with the National ...
A potent heat dome is building over the US, sending temperatures into the triple digits
An extremely dangerous heat wave is underway for the eastern half of the United States as a potent heat dome reaches its peak ...
Early-season heat dome brings highest temperatures in years to parts of Eastern US
A heat dome occurs when a large area of high pressure in the upper atmosphere acts as a reservoir, trapping heat and humidity ...
NHC monitoring 4 tropical waves. Florida heat index to top 100; US heat wave incoming
The Hurricane center is monitoring 4 tropical waves. A dangerous heat wave will bake central, eastern US. Florida heat index ...
Record-breaking heat wave to hit US with triple-digit temperatures, NWS issues major warning to Americans
The hottest temperatures will start in the Great Plains, then move to the Midwest, the Great Lakes, and the East Coast ...
Brace for the ‘heat dome’. Temperatures across the Midwest and East Coast will hit dangerous levels this coming week
Brace for the ‘heat dome’. Temperatures across the Midwest and East Coast will hit dangerous levels this coming week - ...