Sioux City Consecutive 100 Degree Days
This page shows the record for the most days in a row in
Sioux City, Iowa where the
high temperature was
at least 100 °F, from 1948–2024.
Longest Streak: 5 Days
Between Jul 17–21, 1974, the daily high temperature in Sioux City was always at least 100 °F – a span of 5 days.
| # Days |
When |
| 5 |
Jul 17–21, 1974 |
| 4 |
Aug 14–17, 1988 |
| 4 |
Aug 24–27, 1955 |
| 4 |
Jul 29 – Aug 1, 1955 |
| 3 |
Aug 22–24, 2023 |
| 3 |
Jul 22–24, 2012 |
| 3 |
Jun 19–21, 1988 |
| 2 |
Aug 29–30, 2012 |
| 2 |
Jul 30–31, 2006 |
| 2 |
Jul 12–13, 1995 |
| 2 |
Jul 13–14, 1980 |
| 2 |
Jul 6–7, 1980 |
| 2 |
Jul 12–13, 1974 |
| 2 |
Jun 28–29, 1970 |
| 2 |
Jul 26–27, 1955 |