Sherman County, KS
FEMA National Risk Index scores, disaster declarations & hazard data
Sherman County has experienced 9 federally declared disasters since 2005, most recently Severe Winter Storm, Straight-Line Winds, Flooding, And Wildfires in 2025. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Sherman County's highest-rated hazards are hail, strong wind, and winter weather, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. Recorded storm events have decreased 25% 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. Sherman County has been designated in 9 declarations since 2005, covering 4 disaster types including severe storm (5), biological (2), snowstorm (1).
| Year | Type | Event name |
|---|---|---|
| 2025 | Severe Storm | Severe Winter Storm, Straight-Line Winds, Flooding, And Wildfires |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2017 | Snowstorm | Severe Winter Storm, Snowstorm, Straight-Line Winds, And Flooding |
| 2011 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| 2008 | Severe Storm | Severe Winter Storms |
| 2007 | Severe Storm | Severe Winter Storm |
| 2006 | Severe Storm | Severe Winter Storm |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
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 | 28.1 | 0 | 0 | — |
| Inland Flooding | Very Low | 7.9 | 29 | 0 | $10 |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 17.4 | — | — | — |
| Heat Wave | Very Low | 3.6 | 0 | 0 | — |
| Tornado | Relatively Low | 32.6 | 9 | 0 | — |
| Hurricane | Not Applicable | — | 0 | 0 | — |
| Hail | Relatively Moderate | 84.7 | 203 | 0 | $5K |
| Strong Wind | Relatively Moderate | 79.6 | 0 | 0 | — |
| Winter Weather | Relatively Moderate | 68.8 | 0 | 0 | — |
| Ice Storm | Very Low | 17.7 | — | — | — |
| Cold Wave | Relatively Low | 33.7 | — | — | — |
| Lightning | Very Low | 17.8 | 0 | 0 | — |
| Drought | Relatively Low | 58 | 0 | 0 | — |
| Landslide | Very Low | 3.3 | 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
Sherman County ranks in the 50th percentile (Moderate) 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 | 50th | Moderate |
| Socioeconomic status | 41st | Low |
| Household characteristics | 90th | High |
| Racial & ethnic minority status | 47th | Low |
| Housing type & transportation | 25th | Low |
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 | 38th | Relatively Low |
| Buildings in direct exposure zone | 40.8% | — |
NOAA tracked 241 weather events in this county over 2016–2025: 138 in 2016–20 vs 103 in 2021–25 (-25% — 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 Sherman County?
According to the FEMA National Risk Index, the highest-risk hazards in Sherman County, Kansas are hail, strong wind, and winter weather. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Sherman County received federal disaster declarations?
Yes. Sherman County has received 9 federal disaster declarations since 2005, including declarations in 2025. The most common disaster type on record is severe storm (5 declarations).
Has Sherman County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Sherman County include Severe Winter Storm, Straight-Line Winds, Flooding, And Wildfires (2025). See the declarations table above for the full history since 2005.
How does Sherman County's natural hazard risk compare to nearby counties?
Among neighboring counties, Kit Carson County, CO has the highest overall natural hazard risk (Very Low) and Wallace County, KS has the lowest (Very Low). Sherman County is rated Very Low overall.
How is Sherman County's composite disaster risk index calculated?
Sherman 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. Sherman County's composite score of 11 means its overall natural hazard risk is higher than 11% of US counties.