The state-by-state breakdown of 277 deaths blamed on heat since July 19:

Illinois, 126

Missouri, 61

Ohio, 14

Wisconsin, 13

South Carolina, 9

Kentucky, 8

Oklahoma, 8

Indiana, 7

Tennessee, 4

North Carolina, 4

Georgia, 3

Kansas, 3

Louisiana, 3

Alabama, 2

Arkansas, 2

Maryland, 2

Nebraska, 2

New York, 2

Pennsylvania, 2

Michigan, 1

Minnesota, 1