Yankton on the Missouri River in Yankton County sits just downstream of Gavins Point Dam. The 2011 Missouri River floods caused serious damage in Yankton. Extreme blizzards and tornado risk are ongoing hazards.
// Preparedness Recommendations
- Evacuation routes inland should be identified in advance.
- Store at least 72 hours of food and water.
- Elevate critical belongings above flood level.
- Have backup power ready in case of grid failure.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 6 / 10 Moderate |
| Primary Hazard | Blizzard / Missouri River Flooding / Tornado / Extreme Cold |
| FEMA Flood Zone | Moderate |
| County FEMA Declarations | 7 |
| Last Major Event | 2019 Missouri River Flooding |
// Emergency Information
| Emergency Phone | (605) 668-5200 |
| Evacuation Routes | State and US highways |
| Elevation | 1,175 ft above sea level |
// County Risk Profile
Yankton County SD
South Dakota · Tornado / Blizzard
View full county emergency preparedness profile →
6/10
Moderate Risk
// Nearby Infrastructure Risks
Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.
Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.