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With Portland and much of the state under an “excessive heat watch” this weekend, Multnomah County unveiled a new tool to help the county, city and local organizations respond more effectively to ...

While Texas bakes under sweltering conditions, it's far from alone. Millions are under threat of extreme heat this week, as experts warn that temperatures will reach triple digits almost daily for the ...

The U.S. has contended with unrelenting temperatures this summer, and a map from NASA paints a dire picture of the scale of those persistent heat waves. The map, which consists of a snapshot of ...

NASHVILLE, Tenn. (WKRN) — With a changing climate, scientists warn that the kind of heat we’re experiencing this week could become more routine. To prepare, Nashville created its first heat map, which ...

A heat dome is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service issuing heat alerts from Nebraska to Florida. Dangerous heat threatens to bake ...

A heat wave was expected to bring record-high temperatures to the midwestern United States this week before spreading to the East Coast, forecasters said. At the same time, a bout of severe ...

A heat map from the National Weather Service (NWS) shows that several parts of Florida are under the highest heat warning possible as meteorologists issued heat advisories on Friday. In Key West, the ...

A National Weather Service mapping tool that shows which parts of the country are facing imminent heat danger has bad news for California. Starting Tuesday and lasting through the weekend, much of the ...

A massive heat dome will bring stifling temperatures and oppressive humidity for millions across much of the United States in the coming days. The high-pressure system is forecast to cause widespread ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – Does it feel like a totally ...