Natural Disaster Risk — ZIP Code 57623

Natural Hazard Profile: ZIP 57623, South Dakota

ZIP 57623 in Dupree sits in the northern tier of the continental 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 57623 carries an overall risk score of 4.5/10, placing it in the moderate 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 wildfire and winter.

Within South Dakota, ZIP 57623's risk is, slightly below 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 cold wave as the foremost hazard, followed by wildfire and winter. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, ZIP 57623 residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for cold wave is recommended.