Brenham, TX
Local storm history & FEMA National Risk Index data
Brenham is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Washington County, TX. The county's highest-rated hazards are hurricane, cold wave, and tornado.
Storm events near Brenham
NOAA-recorded tornado, hail, and flood events within 25 miles of Brenham's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Brenham 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 Washington County's FEMA National Risk Index scores, covering Brenham along with the rest of the county, not a Brenham-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 48.8 | Very Low |
| Inland Flooding | 72.7 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 26.7 | Very Low |
| Heat Wave | 68.4 | Relatively Low |
| Tornado | 82.6 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 83.1 | Relatively Moderate |
| Drought | 78.9 | Relatively Moderate |
| Hail | 69.4 | Relatively Low |
| Hurricane | 84.7 | Relatively Moderate |
| Ice Storm | 59.5 | Relatively Low |
| Landslide | 23.5 | Very Low |
| Lightning | 59.8 | Relatively Moderate |
| Strong Wind | 53.1 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 57.8 | Relatively Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Washington County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Washington County:
Frequently asked questions
What natural hazards is Brenham, TX at risk of?
Brenham is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Washington County, where Brenham is located, are hurricane, cold wave, and tornado.
What is Brenham's biggest natural hazard risk?
Hurricane is the highest-rated hazard for Washington County, where Brenham is located, scoring 84.7 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Brenham a high-risk area for natural disasters?
No — Brenham carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Washington County.
Has Brenham had tornadoes, hail, or flooding?
NOAA has recorded 9 tornado, 33 hail, 28 inland flooding events within 25 miles of Brenham since 2016.