Natural Disaster Risk in Clark County

Natural Hazard Profile: Clark County, Nevada

Clark County, in the United States in Nevada, is characterized by its desert climate — extreme summer heat and very low precipitation. The county faces intense heat waves in summer, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.

Clark County's overall natural disaster risk is rated 6.5/10 (High) by FEMA's National Risk Index. The threat of extreme heat dominates the local risk profile, with the area experiencing heat waves that drive heat-related illness and place significant demand on energy infrastructure. Secondary hazards include earthquake and wildfire.

Within Nevada, Clark County's risk is, slightly above the 5.1/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Clark County identifies heat as the foremost hazard, followed by earthquake and wildfire. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Clark County residents benefit from taking preparedness seriously. Reviewing insurance coverage for heat and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.