Claim: Says the 1995 Chicago heat wave was "the largest single-day, non-war fatality in the United States" prior to 9/11, and "we are now expecting temperatures that hot in Chicago every summer."
Fact-check: Fact-checking Casten's overblown Chicago heat wave claim
Verdict: barely-true
Organisation: PolitiFact
Author: Kiannah Sepeda-Miller
Date published: 2021-09-01T00:00:00