Sioux City Consecutive 90 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 90 °F, from 1948–2024.

Also see:

Longest Streak: 16 Days

Between Jul 4–19, 1980, the daily high temperature in Sioux City was always at least 90 °F – a span of 16 days.

# Days	When
16	Jul 4–19, 1980
15	Jul 12–26, 2012
15	Aug 14–28, 1955
13	Jul 16–28, 1974
13	Jun 9–21, 1956
12	Jul 25 – Aug 5, 1955
12	Jul 2–13, 1955
11	Jul 23 – Aug 2, 1987
10	Jun 25 – Jul 4, 1990
10	Jul 2–11, 1989
10	Jul 5–14, 1974
10	Aug 11–20, 1972
10	Jul 15–24, 1964
10	Jul 17–26, 1960
10	Aug 24 – Sep 2, 1953
9	Jun 1–9, 2020
9	Jul 25 – Aug 2, 2011
9	Jul 9–17, 2005
9	Jun 14–22, 1995
9	Jun 17–25, 1988