Watonwan County, MN
FEMA National Risk Index scores, disaster declarations & hazard data
Watonwan County has experienced 13 federally declared disasters since 1965, most recently Severe Storms And Flooding in 2024. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Watonwan County's highest-rated hazards are winter weather, drought, and cold wave, 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. Watonwan County has been designated in 13 declarations since 1965, covering 5 disaster types including flood (6), severe storm (3), biological (2).
| Year | Type | Event name |
|---|---|---|
| 2024 | Flood | Severe Storms And Flooding |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2019 | Flood | Severe Winter Storm, Straight-Line Winds, And Flooding |
| 2018 | Flood | Severe Storms, Tornadoes, Straight-Line Winds, And Flooding |
| 2014 | Flood | Severe Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides |
| 2011 | Severe Storm | Severe Storms And Flooding |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 1997 | Severe Storm | Severe Winter Storms |
| 1993 | Severe Storm | Severe Storms, Tornadoes & Flooding |
Showing the 10 most recent of 13 total declarations since 1965.
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 | 9.2 | 0 | 0 | — |
| Inland Flooding | Very Low | 24.9 | 2 | 0 | — |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 10.7 | — | — | — |
| Heat Wave | Relatively Low | 41.6 | 3 | 0 | — |
| Tornado | Relatively Low | 44.4 | 2 | 0 | — |
| Hurricane | Not Applicable | — | 0 | 0 | — |
| Hail | Relatively Low | 54.8 | 14 | 0 | $20K |
| Strong Wind | Relatively Moderate | 55.9 | 0 | 0 | — |
| Winter Weather | Relatively Moderate | 76.1 | 0 | 0 | — |
| Ice Storm | Relatively Low | 37.2 | — | — | — |
| Cold Wave | Relatively Moderate | 68 | — | — | — |
| Lightning | Very Low | 17.4 | 0 | 0 | — |
| Drought | Relatively Moderate | 75.3 | 0 | 0 | — |
| Landslide | Very Low | 21.8 | 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
Watonwan County ranks in the 66th 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 | 66th | Moderate |
| Socioeconomic status | 52nd | Moderate |
| Household characteristics | 73rd | Moderate |
| Racial & ethnic minority status | 67th | Moderate |
| Housing type & transportation | 66th | 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 | 4th | Very Low |
| Risk to homes | 7th | Very Low |
| Buildings in direct exposure zone | 32.9% | — |
NOAA tracked 21 weather events in this county over 2016–2025: 12 in 2016–20 vs 9 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 Watonwan County?
According to the FEMA National Risk Index, the highest-risk hazards in Watonwan County, Minnesota are winter weather, drought, and cold wave. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Watonwan County received federal disaster declarations?
Yes. Watonwan County has received 13 federal disaster declarations since 1965, including declarations in 2024. The most common disaster type on record is flood (6 declarations).
Has Watonwan County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Watonwan County include Severe Storms And Flooding (2024). See the declarations table above for the full history since 1965.
How does Watonwan County's natural hazard risk compare to nearby counties?
Among neighboring counties, Blue Earth County, MN has the highest overall natural hazard risk (Relatively Low) and Jackson County, MN has the lowest (Very Low). Watonwan County is rated Very Low overall.
How is Watonwan County's composite disaster risk index calculated?
Watonwan 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. Watonwan County's composite score of 24 means its overall natural hazard risk is higher than 24% of US counties.