SD
South Dakota
Comprehensive climate risk and disaster history profile
19
Billion-Dollar Events
$10.6B
Total Economic Impact
66
Counties
36.16
Avg Risk Score
Top Natural Hazards
Based on FEMA National Risk Index data across all 66 counties
Freeze
84.58
Avg Risk Score
Hail
77.03
Avg Risk Score
Winter Storm
76.96
Avg Risk Score
Wildfire
69.41
Avg Risk Score
ISTM
58.53
Avg Risk Score
Strong Wind
56.51
Avg Risk Score
Disaster Type Breakdown
Historical billion-dollar events by category (1980-2024)
Severe Storm
8 events
$3.3B
Drought
7 events
$4.2B
Flooding
4 events
$3.1B
Disaster Trends by Decade
How disaster frequency and costs have changed over time
Highest Risk Counties
Counties with the highest overall risk scores based on FEMA NRI
| Rank | County | Risk Score | Risk Rating | SVI Percentile |
|---|---|---|---|---|
| 1 | Minnehaha | 92.59 | 4013.0% | |
| 2 | Pennington | 85.46 | 5726.0% | |
| 3 | Lincoln | 83.42 | 395.0% | |
| 4 | Brown | 79.13 | 2008.0% | |
| 5 | Brookings | 76.3 | 1416.0% | |
| 6 | Codington | 71.62 | 3466.0% | |
| 7 | Meade | 71.33 | 1900.0% | |
| 8 | Turner | 69.55 | 856.0% | |
| 9 | McCook | 69.11 | 792.0% | |
| 10 | Yankton | 66.66 | 2737.0% |
Recent Major Events
Most costly billion-dollar disasters in the past 10 years
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