CNN is tracking extreme heat conditions for Americans each day. See where the risks are greatest — and where high temperature records might be broken.

The NWS Melbourne warns of potential high heat index values up to 110 in Florida, advising caution and hydration.

A stretch of extreme heat will impact much of Kansas and Missouri beginning this weekend. The National Weather Service has issued an extreme heat warning from noon Saturday through Wednesday night. Sign up for our Newsletters The Kansas City metro area is included in the warning.

"Dangerous heat and humidity ramp up today. Heat indices of 105-110F will affect most of the Mid-South over the next few days," NWS Memphis said in a post on X, formerly known as Twitter. "Some areas may see a reprieve Friday-Sunday with increasing thunderstorm chances across north Mississippi, but the heat is likely to intensify next week."

Three Democratic lawmakers have proposed legislation to classify extreme heat as a disaster, which would allow federal funding for extreme heat.

Showers and thunderstorms with locally heavy rainfall could lead to flash flooding of urbanized and poor drainage areas, small streams and creeks this afternoon into the evening in Delaware, northern Maryland,

The heat advisory includes parts of Delaware, Pennsylvania, New York, Connecticut and New Jersey, where two people died in flooding.

The National Weather Service issued a heat advisory at 1:55 a.m. on Wednesday valid for Thursday between 10 a.m. and 8 p.m. for Western Chester, Eastern Chester, Western Montgomery and Upper Bucks as well as Berks,