Warren County, MS
FEMA National Risk Index scores, disaster declarations & hazard data
Warren County has experienced 33 federally declared disasters since 1971, most recently Severe Winter Storm in 2026. Its overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Warren County's highest-rated hazards are drought, hail, and tornado, with its top risk rated "Very High" by FEMA's National Risk Index. Recorded storm events have decreased 50% over the past five years compared to the prior five-year period. Community vulnerability is elevated (83rd percentile nationally), suggesting residents may face greater difficulty recovering from major disasters.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Warren County has been designated in 33 declarations since 1971, covering 8 disaster types including severe storm (14), hurricane (7), flood (4).
| Year | Type | Event name |
|---|---|---|
| 2026 | Winter Storm | Severe Winter Storm |
| 2026 | Winter Storm | Severe Winter Storm |
| 2023 | Severe Storm | Severe Storms, Straight-Line Winds, And Tornadoes. |
| 2022 | Hurricane | Hurricane Ida |
| 2021 | Severe Ice Storm | Severe Winter Storms |
| 2021 | Hurricane | Hurricane Ida |
| 2021 | Hurricane | Hurricane Delta |
| 2020 | Severe Storm | Severe Storms, Flooding, And Mudslides |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
Showing the 10 most recent of 33 total declarations since 1971.
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 | Very Low | 39.4 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 72.8 | 29 | 0 | $2.3M |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 74.3 | — | — | — |
| Heat Wave | Relatively Moderate | 87.8 | 0 | 0 | — |
| Tornado | Relatively High | 91.7 | 26 | 0 | $2.0M |
| Hurricane | Relatively Low | 74.1 | 0 | 0 | — |
| Hail | Relatively High | 98 | 16 | 0 | $1.7M |
| Strong Wind | Relatively High | 89.9 | 0 | 0 | — |
| Winter Weather | Very Low | 20.8 | 0 | 0 | — |
| Ice Storm | Relatively Moderate | 78.7 | — | — | — |
| Cold Wave | Relatively Moderate | 67.3 | — | — | — |
| Lightning | Relatively Moderate | 77.7 | 1 | 0 | $15K |
| Drought | Very High | 99.5 | 0 | 0 | — |
| Landslide | Relatively Low | 84.9 | 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
Warren County ranks in the 83rd percentile (High) 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 | 83rd | High |
| Socioeconomic status | 75th | High |
| Household characteristics | 94th | High |
| Racial & ethnic minority status | 89th | High |
| Housing type & transportation | 53rd | 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 | 36th | Relatively Low |
| Risk to homes | 34th | Relatively Low |
| Buildings in direct exposure zone | 71.0% | — |
NOAA tracked 72 weather events in this county over 2016–2025: 48 in 2016–20 vs 24 in 2021–25 (-50% — frequency decreasing).
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 Warren County?
According to the FEMA National Risk Index, the highest-risk hazards in Warren County, Mississippi are drought, hail, and tornado. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Has Warren County received federal disaster declarations?
Yes. Warren County has received 33 federal disaster declarations since 1971, including declarations in 2026. The most common disaster type on record is severe storm (14 declarations).
Has Warren County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Warren County include Severe Winter Storm (2026), Severe Winter Storm (2026). See the declarations table above for the full history since 1971.
How does Warren County's natural hazard risk compare to nearby counties?
Among neighboring counties, Hinds County, MS has the highest overall natural hazard risk (Relatively Moderate) and Issaquena County, MS has the lowest (Very Low). Warren County is rated Relatively Moderate overall.
How is Warren County's composite disaster risk index calculated?
Warren 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. Warren County's composite score of 86 means its overall natural hazard risk is higher than 86% of US counties.