Grady County, OK
FEMA National Risk Index scores, disaster declarations & hazard data
Grady County has experienced 37 federally declared disasters since 1984, most recently Norge Fire in 2025. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Grady County's highest-rated hazards are ice storm, tornado, and hail, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have increased 206% over the past five years compared to the prior five-year period.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Grady County has been designated in 37 declarations since 1984, covering 7 disaster types including severe storm (14), severe ice storm (11), flood (4).
| Year | Type | Event name |
|---|---|---|
| 2025 | Fire | Norge Fire |
| 2021 | Severe Ice Storm | Severe Winter Storms |
| 2021 | Severe Ice Storm | Severe Winter Storm |
| 2021 | Severe Ice Storm | Severe Winter Storm |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2019 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| 2016 | Severe Storm | Severe Winter Storms And Flooding |
| 2016 | Severe Ice Storm | Severe Winter Storms And Flooding |
| 2016 | Flood | Severe Storms And Flooding |
Showing the 10 most recent of 37 total declarations since 1984.
Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Relatively Moderate | 91.5 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 62.7 | 17 | 0 | $85K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 66.4 | 22 | — | — |
| Heat Wave | Relatively Moderate | 85.3 | 86 | 0 | — |
| Tornado | Relatively High | 93.8 | 24 | 0 | $269K |
| Hurricane | Very Low | 32 | 0 | 0 | — |
| Hail | Relatively Moderate | 93.4 | 157 | 0 | $20K |
| Strong Wind | Relatively Low | 23.9 | 0 | 0 | — |
| Winter Weather | Relatively Moderate | 77.6 | 0 | 0 | — |
| Ice Storm | Relatively High | 93.9 | — | — | — |
| Cold Wave | Relatively Moderate | 86.4 | — | — | — |
| Lightning | Relatively Low | 27.8 | 0 | 0 | — |
| Drought | Relatively Moderate | 75.1 | 0 | 0 | — |
| Landslide | Very Low | 59.2 | 0 | 0 | — |
| Avalanche | Not Applicable | — | — | — | — |
| Tsunami | Not Applicable | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
Grady County ranks in the 43rd percentile (Low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.
| SVI theme | Percentile | Vulnerability level |
|---|---|---|
| Overall | 43rd | Low |
| Socioeconomic status | 36th | Low |
| Household characteristics | 44th | Low |
| Racial & ethnic minority status | 53rd | Moderate |
| Housing type & transportation | 50th | Moderate |
Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.
Future risk outlook
| Wildfire metric | National percentile | Level |
|---|---|---|
| Burn probability | 89th | Very High |
| Risk to homes | 88th | Very High |
| Buildings in direct exposure zone | 72.4% | — |
NOAA tracked 280 weather events in this county over 2016–2025: 69 in 2016–20 vs 211 in 2021–25 (+206% — frequency increasing).
Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.
Nearby counties
Frequently asked questions
What natural hazards pose the greatest risk in Grady County?
According to the FEMA National Risk Index, the highest-risk hazards in Grady County, Oklahoma are ice storm, tornado, and hail. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Grady County received federal disaster declarations?
Yes. Grady County has received 37 federal disaster declarations since 1984, including declarations in 2025. The most common disaster type on record is severe storm (14 declarations).
Has Grady County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Grady County include Norge Fire (2025). See the declarations table above for the full history since 1984.
How does Grady County's natural hazard risk compare to nearby counties?
Among neighboring counties, Cleveland County, OK has the highest overall natural hazard risk (Relatively Moderate) and Garvin County, OK has the lowest (Relatively Low). Grady County is rated Relatively Low overall.
How is Grady County's composite disaster risk index calculated?
Grady County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Grady County's composite score of 76 means its overall natural hazard risk is higher than 76% of US counties.