Moderate Risk South Dakota  ·  Tornado / Blizzard

Deuel County SD

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

6/ 10
Threat Score
Population
4
Area
623
sq miles
Primary Hazard
Tornado / Blizzard
FEMA Disasters
7
federally declared

Deuel County SD in South Dakota faces tornado / blizzard risk across its 623 square mile area. Clear Lake serves this east South Dakota county near Minnesota and Iowa. Deuel serves as the county seat and regional emergency coordination hub.

// Preparedness Recommendations

  • Identify an interior room or storm shelter.
  • Monitor NOAA weather alerts continuously.
  • Keep emergency kit accessible at all times.
  • Prepare for sudden power outages.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 6 / 10    Moderate Risk
Primary Hazard Tornado / Blizzard
Secondary Hazard Red River Flooding
FEMA Flood Zone Moderate
Federally Declared Disasters 7
Last Major Event 2019 Tornado
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (605) 874-2120
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Deuel County SD
State South Dakota (SD)
Population 4
Area 623 sq miles
FEMA Region Moderate

// Other South Dakota Counties