Sioux City, IA Tornado History — 116 Tornadoes Since 1950
How many tornadoes has Sioux City, IA had?
Sioux City has had 116 tornadoes on record within 25 miles since 1950, including 8 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Sioux City?
The most recent tornado within 25 miles of Sioux City was an Unrated on April 16, 2024.
When is tornado season in Sioux City?
June is historically the peak month for tornadoes near Sioux City, with 38 on record. April through June account for 67 of the 116 tornadoes on record near Sioux City.
At a Glance
Recent Tornado Activity Near Sioux City
The last 20 years of confirmed tornadoes within 25 miles — 24 total, averaging 1.2 per year over this window.
Preliminary tornado reports near Sioux City since December 29, 2025
These are 3 preliminary reports, not confirmed tornadoes. They have not yet been through an NWS damage survey, and are not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
Kingsley Fire reported brief tornado near C60 and Pioneer Ave. (FSD)
Several videos via social media of brief gustnado. Location estimated. (FSD)
An EF-1 tornado touched down west of Highway 77 and tracked northeast damaging trees and the roofs of homes. The tornado impacted locations near baseball fields on the (OAX)
Within 25 miles of Sioux City. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Casualties on Record Near Sioux City
2 fatalities have been recorded within 25 miles of Sioux City since 1950, across 1 event. 47 injuries have been reported across all events. 1973 was the deadliest year on record near Sioux City.
The deadliest single event was an F2 on June 18, 1973, which caused 2 fatalities along a 2.0-mile track.
Notable Tornadoes Near Sioux City
What the record shows near Sioux City
The 1990s were the busiest decade near Sioux City, with 24 of the 116 confirmed tornadoes within 25 miles; the 2020s have produced 8 so far. The Sioux City record runs from the 1950s to today.
Of the tornadoes rated near Sioux City, 82 reached EF0 or EF1 and 30 reached EF2 or stronger. The most intense on record near Sioux City is rated EF4, of which 3 are logged. A further 4 near Sioux City are unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Sioux City has averaged 1.2 confirmed tornadoes a year within 25 miles, 24 in total. 2013 was the busiest of them with 8, and 11 of those years passed with none at all.