More than 185 million people across from South Dakota to Florida and up the East Coast to Boston are on alert for widespread, dangerous heat on Monday and into the new work week, and parts of the Southeast could experience the brunt of the sweltering conditions.

On average, nearly 2,000 Americans die from extreme heat each year, according to CDC data going back to 2020 .

The highest temperatures on Monday will be focused in the southeast from the Carolinas to Florida where extreme where heat indices -- that is, what the temperatures feel like when humidity is factored in -- are forecast to be between 105 and 113 degrees.

Parts of Mississippi and Louisiana are on alert for heat indices up to 120 degrees.

Extreme heat is also expected to continue on Monday and Tuesday in the Midwest, w

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