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Highest Temperatures in Waterloo History

A list of the highest temperatures ever recorded in Waterloo, Iowa history from 1895–2022.
What's the hottest it has ever gotten in Waterloo?
The hottest temperature in Waterloo, Iowa history is 112 °F which has happened twice, most recently on July 14, 1936.
Rank Temperature Date
1 112 °F July 14, 1936
1 112 °F July 13, 1936
3 110 °F August 18, 1936
3 110 °F July 12, 1936
5 109 °F July 26, 1936
5 109 °F July 5, 1911
7 108 °F July 5, 1936
7 108 °F May 31, 1934
9 107 °F June 28, 1934
9 107 °F June 27, 1934
9 107 °F July 24, 1901
12 106 °F July 15, 1936
12 106 °F July 11, 1936
12 106 °F July 10, 1936
12 106 °F June 2, 1934
12 106 °F June 28, 1931
12 106 °F July 21, 1901
18 105 °F August 17, 1988
18 105 °F July 31, 1988
18 105 °F August 16, 1937
18 105 °F July 17, 1936
18 105 °F July 6, 1936
18 105 °F June 29, 1931
18 105 °F June 26, 1931
18 105 °F August 3, 1930