Natural Disaster Risk in Onida

Natural Hazard Profile: Onida, South Dakota

Onida is a small community of about 962 in Sully County, in the Great Plains. The area experiences harsh winters, hot summers, and significant seasonal variation, with severe blizzards and spring flooding shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Onida.

FEMA rates Onida's composite natural disaster risk at 3.9 out of 10 — low risk. The threat of wildfire dominates the local risk environment, with hot, dry summers and abundant fuel creating dangerous fire conditions each year. Residents should also account for cold wave and winter risk in their preparedness planning.

Onida's risk score, slightly below the 4.9/10 state average and below the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Sully County, the highest-scoring are wildfire, cold wave, and winter. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

Onida 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 — wildfire — warrants awareness and appropriate insurance coverage, as lower risk does not mean zero risk.