About 200 million people are under some sort of heat alert Monday, including 24 million under the highest alert — extreme heat warning — for scorching conditions.

A dangerous heat wave continues across a large part of the United States, with more than 130 million people under extreme heat watches and warnings from South Dakota to Florida.

Another heat advisory has been issued for the Big Bend. Outdoor workers are reporting dizziness, headaches, and hospitalization this summer.

More than 185 million people across most of the United States are on alert for widespread, dangerous heat on Monday.

A prolonged heat wave continues across east-central Florida on Tuesday, with well-above-normal temperatures and heat index readings. An Extreme Heat Watch (Orlando northward) and a Heat Advisory (elsewhere) take effect at noon.

Millions of Americans are under heat alerts Monday as a heat wave brings triple-digit temperatures or heat indices to nearly half the continental United States, according to the National Weather Service—with the heat expected to impact the parts of the Southeast and the Mississippi river the hardest.

Leesburg and Lake County are under a heat advisory from noon to 7 p.m. July 28, according to the National Weather Service.

Central Florida can expect dangerously hot temperatures on Monday with heat indices up to 112° and a Heat Advisory in effect.