Glenn Heights, TX
Local storm history & FEMA National Risk Index data
Glenn Heights is rated Very High for overall natural hazard risk — among the most at-risk counties in the country — based on FEMA's National Risk Index for Dallas County, TX. The county's highest-rated hazards are hail, heat wave, and cold wave.
Storm events near Glenn Heights
NOAA-recorded tornado, hail, and flood events within 25 miles of Glenn Heights's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Glenn Heights 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 Dallas County's FEMA National Risk Index scores, covering Glenn Heights along with the rest of the county, not a Glenn Heights-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 80.3 | Relatively Low |
| Inland Flooding | 99.6 | Very High |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 91.3 | Relatively Moderate |
| Heat Wave | 99.9 | Very High |
| Tornado | 99.8 | Very High |
| Avalanche | — | Not Applicable |
| Cold Wave | 99.9 | Very High |
| Drought | 34.2 | Relatively Low |
| Hail | 100 | Very High |
| Hurricane | 73.6 | Relatively Low |
| Ice Storm | 99.7 | Very High |
| Landslide | 46.4 | Very Low |
| Lightning | 98.1 | Very High |
| Strong Wind | 98.5 | Very High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 98.7 | Very High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Dallas County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Dallas County:
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Frequently asked questions
What natural hazards is Glenn Heights, TX at risk of?
Glenn Heights is rated Very High for overall natural hazard risk by FEMA's National Risk Index — among the most at-risk counties in the country. The highest-rated hazards for Dallas County, where Glenn Heights is located, are hail, heat wave, and cold wave.
What is Glenn Heights's biggest natural hazard risk?
Hail is the highest-rated hazard for Dallas County, where Glenn Heights is located, scoring 100 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Glenn Heights a high-risk area for natural disasters?
Yes — Glenn Heights carries among the most at-risk counties in the country for overall natural hazard risk, per FEMA's National Risk Index rating of "Very High" for Dallas County.
Has Glenn Heights had tornadoes, hail, or flooding?
NOAA has recorded 26 tornado, 432 hail, 149 inland flooding events within 25 miles of Glenn Heights since 2016.