Defiance, OH
Local storm history & FEMA National Risk Index data
Defiance is rated Very Low for overall natural hazard risk — among the lowest-risk counties in the country — based on FEMA's National Risk Index for Defiance County, OH. The county's highest-rated hazards are hail, tornado, and inland flooding.
Storm events near Defiance
NOAA-recorded tornado, hail, and flood events within 25 miles of Defiance's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Defiance itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Defiance County's FEMA National Risk Index scores, covering Defiance along with the rest of the county, not a Defiance-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 6.9 | Very Low |
| Inland Flooding | 59.4 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 52.6 | Very Low |
| Heat Wave | 27.4 | Very Low |
| Tornado | 63.7 | Relatively Low |
| Avalanche | — | Not Applicable |
| Cold Wave | 31.6 | Relatively Low |
| Drought | 27.6 | Very Low |
| Hail | 64.9 | Relatively Low |
| Hurricane | 27 | Very Low |
| Ice Storm | 54.6 | Relatively Low |
| Landslide | 40.9 | Very Low |
| Lightning | 31.3 | Relatively Low |
| Strong Wind | 53.5 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 31.2 | Relatively Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Defiance County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Defiance County:
Frequently asked questions
What natural hazards is Defiance, OH at risk of?
Defiance is rated Very Low for overall natural hazard risk by FEMA's National Risk Index — among the lowest-risk counties in the country. The highest-rated hazards for Defiance County, where Defiance is located, are hail, tornado, and inland flooding.
What is Defiance's biggest natural hazard risk?
Hail is the highest-rated hazard for Defiance County, where Defiance is located, scoring 64.9 out of 100 on FEMA's National Risk Index (rated "Relatively Low").
Is Defiance a high-risk area for natural disasters?
No — Defiance carries among the lowest-risk counties in the country for overall natural hazard risk, per FEMA's National Risk Index rating of "Very Low" for Defiance County.
Has Defiance had tornadoes, hail, or flooding?
NOAA has recorded 19 tornado, 65 hail, 4 inland flooding events within 25 miles of Defiance since 2016.