Royse City, TX
Local storm history & FEMA National Risk Index data
Royse City is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Rockwall County, TX. The county's highest-rated hazards are tornado, hail, and heat wave.
Storm events near Royse City
NOAA-recorded tornado, hail, and flood events within 25 miles of Royse City's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Royse City 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 Rockwall County's FEMA National Risk Index scores, covering Royse City along with the rest of the county, not a Royse City-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 66.6 | Relatively Low |
| Inland Flooding | 61.3 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 43.5 | Very Low |
| Heat Wave | 90.1 | Relatively Moderate |
| Tornado | 93.7 | Relatively High |
| Avalanche | — | Not Applicable |
| Cold Wave | 73.9 | Relatively Moderate |
| Drought | 35.3 | Relatively Low |
| Hail | 93.1 | Relatively Moderate |
| Hurricane | 34 | Very Low |
| Ice Storm | 54.6 | Relatively Low |
| Landslide | 14 | Very Low |
| Lightning | 38.2 | Relatively Low |
| Strong Wind | 74.4 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 32.2 | Relatively Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Rockwall County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Rockwall County:
More on Rockwall County:
Frequently asked questions
What natural hazards is Royse City, TX at risk of?
Royse City 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 Rockwall County, where Royse City is located, are tornado, hail, and heat wave.
What is Royse City's biggest natural hazard risk?
Tornado is the highest-rated hazard for Rockwall County, where Royse City is located, scoring 93.7 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Royse City a high-risk area for natural disasters?
No — Royse City carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Rockwall County.
Has Royse City had tornadoes, hail, or flooding?
NOAA has recorded 13 tornado, 352 hail, 78 inland flooding events within 25 miles of Royse City since 2016.