Natural Disaster Risk — ZIP Code 57440

Natural Hazard Profile: ZIP 57440, South Dakota

ZIP 57440 in Frankfort sits in the interior eastern United States. Its semi-arid continental climate produces harsh winters, hot summers, and significant seasonal variation, and notably severe blizzards and spring flooding. These conditions define the natural disaster environment for households across this ZIP code.

According to FEMA's National Risk Index, ZIP 57440 carries an overall risk score of 4.7/10, placing it in the moderate 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 cold wave and wildfire.

Within South Dakota, ZIP 57440's risk is, near the 4.9/10 state average. Nationally, it ranks near the U.S. national average of 4.5/10. FEMA's analysis of South Dakota identifies hail as the foremost hazard, followed by cold wave and wildfire. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

ZIP 57440's moderate risk profile means that while catastrophic events are less frequent, they do occur. Standard homeowners insurance typically covers many common hazards here, but confirming that hail exposure is adequately protected is a worthwhile step for property owners.