FEMA rates relative heat wave risk for Hidalgo County as relatively high and reports FEMA annualized frequency of 0.394 per year for the area.
FEMA summary
FEMA's profile for Hidalgo County reports FEMA annualized frequency of 0.394 per year for heat wave. FEMA's relative risk rating for the area is relatively 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 Hidalgo County.
Heat Wave
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
99.5/100
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 Hidalgo County. It is not an estimate for a home or address.
City risk summary
For McAllen, FEMA rates heat wave risk for Hidalgo County as relatively high, with a relative score of 99.5/100. The next highest relative scores are hurricane at 99.3/100 and hail at 99.0/100.
Using FEMA data for Hidalgo County, McAllen is tied #10 among 53 covered Texas entries for heat wave risk; 3 entries share that score. Mission is about 5.1 straight-line miles from the McAllen map point and uses the same FEMA geography.
For homeowners and movers
Preparedness actions
Living in McAllen? Learn how to handle water storage, sanitation, and security in a small space.
The map shows McAllen. All FEMA figures on this page cover Hidalgo County.
The FEMA figures cover Hidalgo County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative heat wave risk for Hidalgo County as relatively high. Its FEMA annualized frequency is 0.394 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, McAllen is Tied #10 for relative heat wave risk based on FEMA's score for Hidalgo County. 3 covered cities share this rank because they use the same FEMA geography. Homes within McAllen can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Hidalgo County, the highest relative ratings are Heat Wave (Relatively High), Hurricane (Very High), and Hail (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Hidalgo County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Hidalgo 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 | Heat Wave rating | Relative score |
|---|---|---|---|
| Mission, TX | 5 mi | Relatively High | 99.5 |
| Edinburg, TX | 8 mi | Relatively High | 99.5 |
| Harlingen, TX | 34 mi | Relatively High | 99.2 |
| Brownsville, TX | 51 mi | Relatively High | 99.2 |
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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.