Carrollton, TX
Local storm history & FEMA National Risk Index data
Carrollton is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Denton County, TX. The county's highest-rated hazards are tornado, hail, and heat wave.
Storm events near Carrollton
NOAA-recorded tornado, hail, and flood events within 25 miles of Carrollton's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Carrollton 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 Denton County's FEMA National Risk Index scores, covering Carrollton along with the rest of the county, not a Carrollton-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 93 | Relatively Moderate |
| Inland Flooding | 95.7 | Relatively High |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 74 | Relatively Low |
| Heat Wave | 98 | Relatively High |
| Tornado | 99.8 | Very High |
| Avalanche | — | Not Applicable |
| Cold Wave | 93.9 | Relatively High |
| Drought | 36.9 | Relatively Low |
| Hail | 99.7 | Very High |
| Hurricane | 58.4 | Very Low |
| Ice Storm | 97.2 | Very High |
| Landslide | 47.6 | Very Low |
| Lightning | 80.6 | Relatively Moderate |
| Strong Wind | 92.7 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 86.2 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Denton County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Denton County:
More on Denton County:
Frequently asked questions
What natural hazards is Carrollton, TX at risk of?
Carrollton 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 Denton County, where Carrollton is located, are tornado, hail, and heat wave.
What is Carrollton's biggest natural hazard risk?
Tornado is the highest-rated hazard for Denton County, where Carrollton is located, scoring 99.8 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Carrollton a high-risk area for natural disasters?
Yes — Carrollton carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Denton County.
Has Carrollton had tornadoes, hail, or flooding?
NOAA has recorded 31 tornado, 921 hail, 208 inland flooding events within 25 miles of Carrollton since 2016.