Natural Disaster Risk in San Marcos

Natural Hazard Profile: San Marcos, Texas

San Marcos, in Hays County, is a city of 88,583 residents situated along the Gulf Coast. Its diverse climate brings an exceptionally varied climate from humid subtropical in the east to desert in the west, and in particular overlapping tornado, hurricane, flood, and drought seasons. These conditions collectively define the natural hazard environment that San Marcos residents and property owners must navigate.

According to FEMA's National Risk Index, San Marcos carries an overall risk score of 7.3/10, placing it in the high category. Large hail is the dominant natural hazard, with supercell thunderstorms regularly producing damaging hailstones capable of destroying crops, vehicles, and roofs. The area also faces notable exposure to tornado and lightning.

Within Texas, San Marcos'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 Hays County identifies hail as the foremost hazard, followed by tornado and lightning. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, San Marcos 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.