San Antonio, TX
Local storm history & FEMA National Risk Index data
San Antonio is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Bexar County, TX. The county's highest-rated hazards are tornado, hail, and inland flooding.
Storm events near San Antonio
NOAA-recorded tornado, hail, and flood events within 25 miles of San Antonio's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to San Antonio 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 Bexar County's FEMA National Risk Index scores, covering San Antonio along with the rest of the county, not a San Antonio-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 92.4 | Relatively Moderate |
| Inland Flooding | 99.7 | Very High |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 61.9 | Relatively Low |
| Heat Wave | 99.4 | Relatively High |
| Tornado | 99.9 | Very High |
| Avalanche | — | Not Applicable |
| Cold Wave | 94.8 | Relatively High |
| Drought | 69.5 | Relatively Moderate |
| Hail | 99.9 | Very High |
| Hurricane | 83.5 | Relatively Moderate |
| Ice Storm | 79.1 | Relatively Moderate |
| Landslide | 85.2 | Relatively Low |
| Lightning | 96.5 | Relatively High |
| Strong Wind | 87.1 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 88.3 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Bexar County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Bexar County:
More on Bexar County:
Frequently asked questions
What natural hazards is San Antonio, TX at risk of?
San Antonio is rated Relatively High for overall natural hazard risk by FEMA's National Risk Index — higher risk than most US counties. The highest-rated hazards for Bexar County, where San Antonio is located, are tornado, hail, and inland flooding.
What is San Antonio's biggest natural hazard risk?
Tornado is the highest-rated hazard for Bexar County, where San Antonio is located, scoring 99.9 out of 100 on FEMA's National Risk Index (rated "Very High").
Is San Antonio a high-risk area for natural disasters?
Yes — San Antonio carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Bexar County.
Has San Antonio had tornadoes, hail, or flooding?
NOAA has recorded 7 tornado, 353 hail, 211 inland flooding events within 25 miles of San Antonio since 2016.