Brownsville, TX
Local storm history & FEMA National Risk Index data
Brownsville is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Cameron County, TX. The county's highest-rated hazards are cold wave, hurricane, and heat wave.
Storm events near Brownsville
NOAA-recorded tornado, hail, and flood events within 25 miles of Brownsville's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Brownsville 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 Cameron County's FEMA National Risk Index scores, covering Brownsville along with the rest of the county, not a Brownsville-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 83.8 | Relatively Low |
| Inland Flooding | 92.8 | Relatively Moderate |
| Coastal Flooding | 67 | Relatively Moderate |
| Earthquake | 50.4 | Very Low |
| Heat Wave | 97.3 | Relatively High |
| Tornado | 85.1 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 99.5 | Very High |
| Drought | 83.2 | Relatively Moderate |
| Hail | 96.6 | Relatively High |
| Hurricane | 99 | Very High |
| Ice Storm | 94.5 | Relatively High |
| Landslide | 37.3 | Very Low |
| Lightning | 82.3 | Relatively High |
| Strong Wind | 87.6 | Relatively High |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 85.9 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Cameron County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Cameron County:
More on Cameron County:
Frequently asked questions
What natural hazards is Brownsville, TX at risk of?
Brownsville 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 Cameron County, where Brownsville is located, are cold wave, hurricane, and heat wave.
What is Brownsville's biggest natural hazard risk?
Cold Wave is the highest-rated hazard for Cameron County, where Brownsville is located, scoring 99.5 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Brownsville a high-risk area for natural disasters?
Yes — Brownsville carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Cameron County.
Has Brownsville had tornadoes, hail, or flooding?
NOAA has recorded 7 tornado, 26 hail, 59 inland flooding events within 25 miles of Brownsville since 2016.