Dangerous Heat Wave Starts Fires Across U.S.PHOENIX — A severe heat wave affecting 40 million Americans has seen temperatures over one hundred degrees Fahrenheit beat records in Wyoming, Utah, Arizona and Southern California, according to NBC..
Extreme heat build over Montana for the rest of the week
![Dangerous Heat Wave Starts Fires Across U.S. [Video]](https://video.newsserve.net/300/v/20210623/1321191045-Dangerous-Heat-Wave-Starts-Fires-Across.jpg)
