Natural Disaster Risk in Williamson County

Natural Hazard Profile: Williamson County, Texas

Williamson County, in the United States in Texas, is characterized by its diverse climate — an exceptionally varied climate from humid subtropical in the east to desert in the west. The county faces overlapping tornado, hurricane, flood, and drought seasons, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.

Williamson County's overall natural disaster risk is rated 7.2/10 (High) by FEMA's National Risk Index. Hailstorm risk tops the local hazard profile, driven by frequent severe thunderstorm development that produces some of the most property-damaging hail in the country. Secondary hazards include winter and cold wave.

Within Texas, Williamson County's risk is, considerably above the 5.6/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Williamson County identifies hail as the foremost hazard, followed by winter and cold wave. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Williamson County residents benefit from taking preparedness seriously. Reviewing insurance coverage for hail 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.