Marshall County SD in South Dakota faces blizzard / flash flooding risk across its 838 square mile area. Britton serves this northeast South Dakota county near the Minnesota border. Marshall serves as the county seat and regional emergency coordination hub.
// 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 Risk |
| Primary Hazard | Blizzard / Flash Flooding |
| Secondary Hazard | Tornado |
| FEMA Flood Zone | Moderate |
| Federally Declared Disasters | 7 |
| Last Major Event | 2019 Flooding |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (605) 448-5213 |
| Emergency Shelters | 3 designated facilities |
| Evacuation Routes | State and US highways |
// County Profile
| County | Marshall County SD |
| State | South Dakota (SD) |
| Population | 4 |
| Area | 838 sq miles |
| FEMA Region | Moderate |
// Other South Dakota Counties
Hamlin County SD
Tornado / Blizzard
6/10
Moderate
Brule County SD
Tornado / Blizzard
6/10
Moderate
Lake County SD
Tornado / Blizzard
6/10
Moderate
Day County SD
Blizzard / Flash Flooding
6/10
Moderate
Spink County SD
Blizzard / Flash Flooding
6/10
Moderate
Minnehaha County SD
Tornado / Severe Storm
6/10
Moderate