Dangerous heat grips parts of 13 states in South, Midwest

Forecasters are warning of scorching heat across a wide stretch of the U.S. South and Midwest, where it will feel as high as 117 degrees (47 Celsius) in some spots.

Parts of 13 states on Monday were under heat advisories, from Texas, Louisiana and Florida in the South to Missouri and Illinois in the Midwest, the National Weather Service reported.

Some of the most oppressive conditions Monday were in Louisiana, Arkansas, Mississippi and Oklahoma, forecasters said.