Wyoming natural disasters & FEMA declarations
WY · 45th most declarations of 51 states/DC
Wyoming has had 45 federally declared disasters since 1963, the 45th most of any US state or DC. Its most common hazard is Fire (28 declarations, about 62% of the total). The most recent declaration was "Red Canyon Fire" (Fire), on Aug 15, 2025.
Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.
Declarations by hazard type
These are the distinct FEMA disaster declarations for Wyoming, grouped by their primary incident type. A single declaration can affect many counties; each is counted once here.
| Hazard / incident type | Declarations | Share of state total |
|---|---|---|
| Fire | 28 | 62% |
| Flood | 7 | 16% |
| Severe Storm | 3 | 7% |
| Biological | 2 | 4% |
| Tornado | 2 | 4% |
| Severe Ice Storm | 1 | 2% |
| Toxic Substances | 1 | 2% |
| Drought | 1 | 2% |
Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.
Declarations by program type
FEMA issues several kinds of declaration. Major Disaster (DR) declarations unlock the widest assistance; Emergency (EM) declarations are more limited; and Fire Management Assistance (FM) grants help fight large wildfires.
| Declaration type | Declarations |
|---|---|
| Fire Management Assistance (FM) | 27 |
| Major Disaster (DR) | 15 |
| Emergency (EM) | 3 |
Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.
Declarations by decade
How Wyoming's declaration count has changed over time. Earlier decades reflect both fewer disasters and a narrower federal declaration program; recent decades are the most complete.
| Decade | Declarations |
|---|---|
| 1960s | 1 |
| 1970s | 3 |
| 1980s | 2 |
| 1990s | 1 |
| 2000s | 13 |
| 2010s | 14 |
| 2020s | 11 |
Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.
Most recent declarations
| Date | Title | Type | FEMA ID |
|---|---|---|---|
| Aug 15, 2025 | Red Canyon Fire | Fire | FM-5608-WY |
| Nov 13, 2024 | Wildfires | Fire | DR-4845-WY |
| Sep 30, 2024 | Elk Fire | Fire | FM-5539-WY |
| Aug 22, 2024 | House Draw Fire | Fire | FM-5531-WY |
| Jul 30, 2024 | Pleasant Valley Fire | Fire | FM-5523-WY |
| Mar 1, 2024 | Happy Jack Fire | Fire | FM-5490-WY |
Source: OpenFEMA Disaster Declarations Summaries v2. Data as of June 2026.
Notable earthquakes in or near Wyoming
No magnitude-6.0+ earthquakes are attributed to Wyoming in the USGS catalog used here. That does not mean the state has zero seismic risk — smaller earthquakes occur in most states. See our earthquake risk by region guide.
Frequently asked questions
How many federally declared disasters has Wyoming had?
Wyoming has had 45 distinct FEMA disaster declarations since 1963, the 45th most of any US state or DC, according to FEMA's Disaster Declarations Summaries.
What is the most common disaster in Wyoming?
The most common federally declared disaster type in Wyoming is "Fire", with 28 declarations — about 62% of the state's total.
When was the most recent disaster declaration in Wyoming?
The most recent FEMA declaration in Wyoming in this snapshot was "Red Canyon Fire" (Fire), declared Aug 15, 2025.
Related
Source & notes
Disaster data from OpenFEMA Disaster Declarations Summaries v2; earthquake data from USGS Earthquake Hazards Program (FDSN event service). Both are US public domain. Counts are distinct declarations (a declaration affecting many counties is counted once). HazardMap is not affiliated with or endorsed by FEMA or USGS; this is general information, not safety or insurance advice. Verify with official sources.
Last updated: 2026-06-18