Sioux Falls Consecutive 90 Degree Days

This page shows the record for the most days in a row in Sioux Falls, South Dakota where the high temperature was at least 90 °F, from 1932–2024.

Also see:

Years with most 90° days
Earliest / latest 90° days

Longest Streak: 18 Days

Between Jul 2–19, 1936, the daily high temperature in Sioux Falls was always at least 90 °F – a span of 18 days.

# Days	When
18	Jul 2–19, 1936
15	Jul 12–26, 1974
14	Jul 13–26, 2012
13	Aug 16–28, 1955
12	Jul 25 – Aug 5, 1955
11	Jul 1–11, 1989
11	Aug 1–11, 1958
11	Jul 2–12, 1937
10	Aug 17–26, 1976
10	Jul 14–23, 1975
10	Jun 28 – Jul 7, 1975
10	Aug 11–20, 1972
10	Aug 2–11, 1947
9	Jul 25 – Aug 2, 1987
9	Aug 13–21, 1983
9	Jul 6–14, 1976
9	Jun 5–13, 1976
9	Jul 15–23, 1964
9	Jun 29 – Jul 7, 1949
9	Aug 3–11, 1941