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Every federal disaster in Sioux City since 1953

Each square is a disaster or emergency declaration by the President or FEMA that covered Woodbury County. Declarations make federal aid available after hurricanes, floods, storms, fires and other events, so this is a record of the big ones.

Declarations
26since 1953
Major disasters
22the most serious kind
Since 2000
14declarations
Most recent
2025Severe Winter Storm
195319541958196019611962196519691970198019901990199119931996199920002005200720102010201120142018201920192020202020202020202020242025
Floods (13)Severe storms and tornadoes (6)Winter storms (3)Biological (COVID-19) (3)Hurricanes and tropical storms (1)

FEMA's National Risk Index rates Woodbury County's overall natural hazard risk relatively moderate, led by tornado, winter weather and hail. The history above shows what has actually happened; the risk index estimates what is likely.

All declarations

DeclaredEventTypeFEMA number
May 21, 2025Severe Winter StormMajor disasterDR-4870
Jun 24, 2024Severe Storms, Flooding, Straight-Line Winds, and TornadoesMajor disasterDR-4796
Sep 10, 2020Severe Storms and Straight-Line WindsMajor disasterDR-4561
Mar 23, 2020COVID-19 PandemicMajor disasterDR-4483
Mar 13, 2020COVID-19EmergencyEM-3524
Mar 13, 2020COVID-19EmergencyEM-3480
Apr 29, 2019Severe Storms and FloodingMajor disasterDR-4430
Mar 23, 2019Severe Storms and FloodingMajor disasterDR-4421
Aug 20, 2018Severe Storms, Tornadoes, Straight-Line Winds, and FloodingMajor disasterDR-4386
Jul 24, 2014Severe Storms, Tornadoes, Straight-Line Winds, and FloodingMajor disasterDR-4184
Jun 27, 2011FloodingMajor disasterDR-1998
Feb 25, 2010Severe Winter Storms and SnowstormMajor disasterDR-1877
Mar 30, 2007SnowEmergencyEM-3275
Sep 10, 2005Hurricane Katrina EvacuationEmergencyEM-3239
Jul 22, 1999Severe Storms and FloodingMajor disasterDR-1282
Aug 21, 1996Severe Storms, and FloodingMajor disasterDR-1133
Jul 9, 1993Severe Storms & FloodingMajor disasterDR-996
Dec 26, 1991Ice StormMajor disasterDR-928
May 26, 1990Severe Storms & FloodingMajor disasterDR-868
Apr 25, 1969FloodingMajor disasterDR-259
Apr 22, 1965FloodingMajor disasterDR-193
Sep 5, 1962FloodsMajor disasterDR-133
Mar 31, 1961FloodsMajor disasterDR-111
Jul 5, 1958FloodsMajor disasterDR-86
Jun 23, 1954FloodMajor disasterDR-17
Jun 11, 1953FloodMajor disasterDR-8

Frequently asked questions

How many federal disasters has Sioux City had?

Since 1953, the federal government has issued 26 disaster or emergency declarations covering Woodbury County, including 22 major disaster declarations. 14 of them came in 2000 or later.

What was the most recent federal disaster in Sioux City?

Severe Winter Storm (Major disaster, declared May 21, 2025).

What kinds of disasters hit Sioux City most often?

By FEMA incident type: flood (13), severe storm (6), biological (3) and severe ice storm (1).

New to Sioux City? The city profile covers flood maps and emergency alerts, and the risk summary shows FEMA's hazard ratings.

Source: FEMA, OpenFEMA Disaster Declarations Summaries (v2), downloaded October 18, 2026. We list declarations that named Woodbury County, plus early statewide declarations from before FEMA designated individual counties. "Major disaster" declarations bring the widest federal aid; "emergency" declarations cover shorter-term help; "fire management" declarations help pay to fight large wildfires.