Highest Temperatures in Idaho Falls History
A list of the highest temperatures ever recorded in
Idaho Falls, Idaho history from 1948–2023.
What's the hottest it has ever gotten in Idaho Falls?
The hottest temperature in Idaho Falls, Idaho history is 102 °F which happened on June 25, 1988.
| Rank |
Temperature |
Date |
| 1 |
102 °F |
June 25, 1988 |
| 2 |
101 °F |
June 29, 2015 |
| 2 |
101 °F |
July 13, 2002 |
| 2 |
101 °F |
July 20, 1960 |
| 5 |
100 °F |
September 3, 2022 |
| 5 |
100 °F |
July 23, 2007 |
| 5 |
100 °F |
July 23, 2003 |
| 5 |
100 °F |
July 12, 2002 |
| 5 |
100 °F |
July 31, 2000 |
| 5 |
100 °F |
July 17, 1998 |
| 5 |
100 °F |
July 31, 1989 |
| 5 |
100 °F |
August 7, 1983 |
| 5 |
100 °F |
July 30, 1966 |
| 5 |
100 °F |
August 4, 1961 |
| 15 |
99 °F |
September 7, 2022 |
| 15 |
99 °F |
September 6, 2022 |
| 15 |
99 °F |
July 18, 2021 |
| 15 |
99 °F |
July 7, 2021 |
| 15 |
99 °F |
July 5, 2017 |
| 15 |
99 °F |
July 22, 2006 |
| 15 |
99 °F |
August 14, 2003 |
| 15 |
99 °F |
July 20, 2003 |
| 15 |
99 °F |
July 22, 2000 |
| 15 |
99 °F |
August 8, 1990 |
| 15 |
99 °F |
July 19, 1966 |
| 15 |
99 °F |
August 3, 1961 |
| 15 |
99 °F |
July 21, 1960 |
| 15 |
99 °F |
July 19, 1960 |
| 15 |
99 °F |
July 15, 1955 |
| 15 |
99 °F |
August 30, 1954 |
| 15 |
99 °F |
July 15, 1951 |