This map is from SEDAC at Columbia University.
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Climate modelers at NASA Goddard Institute for Space Science at Columbia University have recently reports the results of a study based on their latest models. This study indicates that the Eastern US, from Chicago to Atlanta to Washington, may experience summer temperature extremes several degrees hotter than current conditions by the year 2080, due to the impacts of greenhouse gas emissions.
A computer model projection of average daily maximum temperatures over the eastern United States for July 2085 (left) and July 1993 (right). Areas in violet shading show temperatures of 26°C (79°F); green 30°C (86°F); yellow 34°C (93°F); red 38°C (100°F); dark purple 42°C (108°F). Credit: NASA/GISS