FEMA rates relative hail risk for Denton County as very high and reports FEMA annualized frequency of 9.981 per year for the area.
FEMA summary
FEMA's profile for Denton County reports FEMA annualized frequency of 9.981 per year for hail. FEMA's relative risk rating for the area is very high; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for Denton County.
Hail
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
99.9/100
Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across Denton County. It is not an estimate for a home or address.
City risk summary
For Lewisville, FEMA rates hail risk for Denton County as very high, with a relative score of 99.9/100. The next highest relative scores are tornado at 99.8/100 and heat wave at 98.5/100.
Using FEMA data for Denton County, Lewisville is tied #10 among 53 covered Texas entries for hail risk; 2 entries share that score. Carrollton is about 6.1 straight-line miles from the Lewisville map point; its FEMA figures cover Dallas County.
For homeowners and movers
Preparedness actions
Living in Lewisville? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Lewisville. All FEMA figures on this page cover Denton County.
The FEMA figures cover Denton County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative hail risk for Denton County as very high. Its FEMA annualized frequency is 9.981 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 53 Texas cities covered by this directory, Lewisville is Tied #10 for relative hail risk based on FEMA's score for Denton County. 2 covered cities share this rank because they use the same FEMA geography. Homes within Lewisville can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Denton County, the highest relative ratings are Hail (Very High), Tornado (Very High), and Heat Wave (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Denton County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Denton County an overall relative risk rating of relatively high. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Hail rating | Relative score |
|---|---|---|---|
| Carrollton, TX | 6 mi | Very High | 100.0 |
| Frisco, TX | 12 mi | Very High | 99.8 |
| Irving, TX | 13 mi | Very High | 100.0 |
| Plano, TX | 13 mi | Very High | 99.8 |
| Denton, TX | 15 mi | Very High | 99.9 |
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View productHazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.