Natural Disaster Risk in Clark

Natural Hazard Profile: Clark, South Dakota

Clark, in Clark County, is a small community of about 1,833 situated in the interior eastern United States. Its semi-arid continental climate brings harsh winters, hot summers, and significant seasonal variation, and in particular severe blizzards and spring flooding. These conditions collectively define the natural hazard environment that Clark residents and property owners must navigate.

According to FEMA's National Risk Index, Clark carries an overall risk score of 3.9/10, placing it in the low category. Arctic air outbreaks are the leading natural hazard, with temperature plunges to dangerous lows capable of causing hypothermia and widespread infrastructure failures. The area also faces notable exposure to hail and ice storm.

Within South Dakota, Clark's risk is, slightly below the 4.9/10 state average. Nationally, it ranks below the U.S. national average of 4.5/10. FEMA's analysis of Clark County identifies cold wave as the foremost hazard, followed by hail and ice storm. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

Clark carries a below-average natural disaster risk, reflecting fewer and less severe hazard exposures than typical U.S. communities. Even so, the area's primary risk — cold wave — warrants awareness and appropriate insurance coverage, as lower risk does not mean zero risk.