Extreme heat, wildfires and severe thunderstorms affecting millions across the U.S.

More than 58 million Americans under weather alerts Sunday as wildfires burn in the west and severe thunderstorms impact large swaths of the country. Carter Evans reports and Andrew Kozak takes a look at the forecast. More than 58 million Americans under weather alerts Sunday as wildfires burn in the west and severe thunderstorms impact large swaths of the country. Carter Evans reports and Andrew Kozak takes a look at the forecast.