FEMA rates relative heat wave risk for Benton County as relatively high and reports FEMA annualized frequency of 1.300 per year for the area.
FEMA summary
FEMA's profile for Benton County reports FEMA annualized frequency of 1.300 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 Benton 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
98.7/100
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 Benton County. It is not an estimate for a home or address.
City risk summary
For Kennewick, FEMA rates heat wave risk for Benton County as relatively high, with a relative score of 98.7/100. The next highest relative scores are cold wave at 98.3/100 and wildfire at 96.1/100.
Using FEMA data for Benton County, Kennewick is #1 among 18 covered Washington entries for heat wave risk. Yakima is about 71 straight-line miles from the Kennewick map point; its FEMA figures cover Yakima County.
For homeowners and movers
Preparedness actions
Living in Kennewick? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Kennewick. All FEMA figures on this page cover Benton County.
The FEMA figures cover Benton County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative heat wave risk for Benton County as relatively high. Its FEMA annualized frequency is 1.300 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 18 Washington cities covered by this directory, Kennewick is #1 for relative heat wave risk based on FEMA's score for Benton County. Homes within Kennewick can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Benton County, the highest relative ratings are Heat Wave (Relatively High), Cold Wave (Very High), and Wildfire (Relatively Moderate). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Benton County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Benton County an overall relative risk rating of relatively moderate. 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 |
|---|---|---|---|
| Yakima, WA | 71 mi | Relatively Moderate | 79.0 |
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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.