Wild week of weather in US includes heat waves, snowstorms, flash floods

It's been a wild week of weather in many parts of the United States, from heat waves to snowstorms to flash floods.

Here's a look at some of the weather events:

Midwest sizzles under heat wave

Millions of people in the Midwest have been enduring dangerous heat and humidity.

An emergency medicine physician treating Minnesota State Fair-goers for heat illnesses saw firefighters cut rings off two people's swollen fingers Monday in hot weather that combined with humidity made it feel well over 100 degrees Fahrenheit (37.7 degrees Celsius).

Soaring late summer temperatures also prompted some Midwestern schools to let out early or cancel sports practices. The National Weather Service issued heat warnings or advisories across Minnesota, Iowa, South Dakota, Illinois, Kansas, Missouri, Nebraska, Wisconsin and Oklahoma. Several cities including Chicago opened cooling centers.

Forecasters said Tuesday also will be scorching hot for areas of the Midwest before the heat wave shifts to the sou