Natural Disaster Risk — ZIP Code 57658

Natural Hazard Profile: ZIP 57658, South Dakota

Located in the northern tier of the continental United States, ZIP 57658 serves the Wakpala community. The semi-arid continental climate of this part of South Dakota — bringing harsh winters, hot summers, and significant seasonal variation — directly shapes the hazard exposure for properties in this postal area.

ZIP 57658's overall natural disaster risk is rated 4.8/10 (Moderate) by FEMA's National Risk Index. Extreme cold snaps top the local risk profile, with Arctic front passages causing rapid and severe temperature drops that challenge both infrastructure and outdoor safety. Secondary hazards include wildfire and winter.

Relative to other U.S. communities, ZIP 57658's natural disaster risk is near the U.S. national average of 4.5/10, near the 4.9/10 state average. The hazard distribution here is led by cold wave and wildfire, as measured by FEMA across South Dakota. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

With a moderate risk rating, ZIP 57658 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.