Natural Disaster Risk — ZIP Code 57779

Natural Hazard Profile: ZIP 57779, South Dakota

ZIP 57779 in Saint Onge sits in the Great Plains. 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 57779 carries an overall risk score of 5.7/10, placing it in the moderate category. Wildfire is the primary natural hazard, driven by dry seasonal conditions, fire-prone vegetation, and the wind patterns that can spread flames rapidly across the landscape. The area also faces notable exposure to winter and hail.

Within South Dakota, ZIP 57779's risk is, slightly above the 4.9/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of South Dakota identifies wildfire as the foremost hazard, followed by winter and hail. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, ZIP 57779 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 wildfire is recommended.