Iowa has experienced 50 presidentially declared disasters from 1990 to 2024.

Iowa’s lead hazards are those associated with severe weather, including heavy rains and flooding, tornadoes and high winds, ice storms, blizzards and heavy snow. Iowa has also been affected by hazardous material spills both at fixed facilities and those associated with transportation accidents.

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Iowa's Major Presidential Disaster Declarations

Spring 2024

During the afternoon hours of May 21st, 2024, a cold front produced a line of strong thunderstorms which produced multiple strong tornadoes throughout the state, including one which led to significant damage in the town of Greenfield, IA, among other locations. This line of storms also produced torrential rainfall, damaging winds, and hail leading to widespread tree damage and power outages throughout the state. EF-4 tornado damage was confirmed in Greenfield, EF-3 Damage in NW Adams County, and EF-2 damage in Polk into Story County.

  • Year: 2024
  • Declaration Date: 5/24/24
  • Disaster Number/Incident Description: DR-4784, Severe Storms

A tornado outbreak occurred across Iowa late in the afternoon into the evening of Friday, April 26, 2024. Based on preliminary reports and completed storm surveys, there were at least 19 tornadoes in Iowa. Several significant, long-tracked tornadoes damaged or destroyed homes and businesses across the region. Significant damage was sustained in Clarke, Harrison, Mills, Polk, Pottawattamie, Ringgold, Shelby, and Union counties.

  • Year: 2024
  • Declaration Date: 05/14/24
  • Disaster Number/Incident Description: DR-4779, Severe Storms and Tornadoes


Spring 2023

Major to moderate flooding impacted much of the Upper Mississippi River Valley from April 24 to May 13, 2023. Locations from Wabasha, MN down through Guttenberg, IA set top 5 records for flooding, cresting about 1 to 1.5 feet under levels reached during the flood of 2001. The flooding was a result of a rapid snowmelt from the north making its way into the Mississippi River. Significant damage due to the spring flooding was sustained in Allamakee, Clayton, Des Moines, Dubuque, Jackson, Lee, and Scott counties.

  • Year: 2023
  • Declaration Date: 08/25/23
  • Disaster Number/Incident Description: DR-4732, Iowa Flooding


Winter 2021

December 15, 2021, was an unprecedented and historic event for the state of Iowa. It featured the first derecho in December anywhere in the United States and the first Moderate Risk (Level 4 or 5) of severe thunderstorms issued by the NWS Storm Prediction Center in December in Iowa. Unofficially, it set the new record for most tornadoes in Iowa and the most EF-2/F-2 or stronger tornadoes in a single day in Iowa since 1950. Finally, it will break the all-time December record high temperature for Iowa. Under this Presidential Disaster Declaration, federal funding is available to state, tribal, and eligible local governments and certain private nonprofit organizations on a cost-sharing basis for emergency work and the repair or replacement of facilities damaged by the severe storms, straight-line winds, and tornadoes in the counties of Appanoose, Audubon, Buena Vista, Calhoun, Cass, Cherokee, Davis, Emmet, Floyd, Franklin, Greene, Guthrie, Hamilton, Hancock, Howard, Humboldt, Mills, Mitchell, Palo Alto, Pocahontas, Sac, Van Buren, Webster, Worth, and Wright. Federal funding is also available on a cost-sharing basis for hazard mitigation measures statewide.

  • Year: 2021
  • Declaration Date: 02/23/22
  • Disaster Number/Incident Description: DR-4642, Iowa Severe Storms, Straight-line Winds, and Tornadoes

Declaration dates are the date the disaster was declared, not necessarily the date it occurred.

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Past Presidential Disaster Declarations

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