Every federal disaster in Dayton since 1956
Each square is a disaster or emergency declaration by the President or FEMA that covered Montgomery County. Declarations make federal aid available after hurricanes, floods, storms, fires and other events, so this is a record of the big ones.
- Declarations
- 16since 1956
- Major disasters
- 11the most serious kind
- Since 2000
- 10declarations
- Most recent
- 2020COVID-19 Pandemic
FEMA's National Risk Index rates Montgomery County's overall natural hazard risk relatively moderate, led by ice storm, tornado and inland flooding. The history above shows what has actually happened; the risk index estimates what is likely.
All declarations
| Declared | Event | Type | FEMA number |
|---|---|---|---|
| Mar 31, 2020 | COVID-19 Pandemic | Major disaster | DR-4507 |
| Mar 13, 2020 | COVID-19 | Emergency | EM-3457 |
| Jun 18, 2019 | Severe Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, and Mudslide | Major disaster | DR-4447 |
| Jun 30, 2012 | Severe Storms | Emergency | EM-3346 |
| Oct 24, 2008 | Severe Wind Storm Associated With Tropical Depression Ike | Major disaster | DR-1805 |
| Sep 13, 2005 | Hurricane Katrina Evacuation | Emergency | EM-3250 |
| Feb 15, 2005 | Severe Winter Storms, Flooding, and Mudslides | Major disaster | DR-1580 |
| Jan 11, 2005 | Snow | Emergency | EM-3198 |
| Sep 19, 2004 | Severe Storms and Flooding | Major disaster | DR-1556 |
| Mar 14, 2003 | Severe Winter Storm and Record/Near Record Snow | Major disaster | DR-1453 |
| Jun 10, 1989 | Severe Storms & Flooding | Major disaster | DR-831 |
| Jan 26, 1978 | Blizzards & Snowstorms | Emergency | EM-3055 |
| Jun 5, 1968 | Heavy Rains & Flooding | Major disaster | DR-243 |
| Mar 24, 1964 | Severe Storms & Flooding | Major disaster | DR-167 |
| Jan 23, 1959 | Floods | Major disaster | DR-90 |
| May 17, 1956 | Wind Storm | Major disaster | DR-57 |
Frequently asked questions
How many federal disasters has Dayton had?
Since 1956, the federal government has issued 16 disaster or emergency declarations covering Montgomery County, including 11 major disaster declarations. 10 of them came in 2000 or later.
What was the most recent federal disaster in Dayton?
COVID-19 Pandemic (Major disaster, declared March 31, 2020).
What kinds of disasters hit Dayton most often?
By FEMA incident type: severe storm (5), flood (4), snowstorm (2) and biological (2).
New to Dayton? 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 Montgomery 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.