Heat Wave Hammers Both Coasts

NBC's Al Roker reports on the historic

Ginger Zee has the latest as a

The Pacific Northwest is experiencing unprecedented temperatures, while

The extreme

Meteorologist Bill Karins reports on the

Twenty-nine states are under excessive

For tens of millions from

Extreme weather is affecting millions in the United Sates. Flooding and tornadoes hit the east as Tropical Storm Claudette ...

Thirteen states from

On the West

Millions of Americans are under

Temperatures are soaring into the 90s in the East while the West

Temperatures are forecast to make a run at triple digits with stifling humidity throughout the Central Plains and along the Eastern ...

The Pacific Northwest is suffering through days of historic

Temperatures are expected to climb over the weekend in parts of the Midwest and cities along the East

Light rail shuts down in Portland as temperatures top 100 degrees; Dan Springer reports from Seattle.

From the northeast to the southwest, it's hard to find a place that isn't feeling the effects of climate change. » Subscribe to NBC ...

An extreme

More than 150 million people are expected to be impacted this weekend by a

Temperatures have spiked well into the triple digits in California.