Midwest Faces Severe Heat Wave with Record-Breaking Temperatures

High humidity and extreme heat indices pose significant health risks across multiple states.

Temperatures are soaring 10-15 degrees above normal, reaching the upper 90s Fahrenheit.
Humidity from 'corn sweat' and Gulf moisture is pushing dew points into uncomfortable levels.
Heat indices in some areas are expected to reach 105-115 degrees Fahrenheit.
National Weather Service warns of increased risk for heat-related illnesses.
A slow-moving cold front will bring relief later in the week.