South Dakota

Comprehensive climate risk and disaster history profile

Billion-Dollar Events

$102.1B

Total Economic Impact

Counties

36.16

Avg Risk Score

Top Natural Hazards

Based on FEMA National Risk Index data across all 66 counties

Cold Wave

84.58 Avg Risk Score

Hail

77.03 Avg Risk Score

Winter Weather

76.96 Avg Risk Score

Wildfire

69.41 Avg Risk Score

Ice Storm

58.53 Avg Risk Score

Strong Wind

56.51 Avg Risk Score

Tornado

39.68 Avg Risk Score

Riverine Flooding

38.49 Avg Risk Score

Historical billion-dollar events by category (1980-2024)

severe-storm 9 events

$21.1B

drought 8 events

$63.5B

flooding 4 events

$17.5B

How disaster frequency and costs have changed over time

Counties with the highest overall risk scores based on FEMA NRI

Rank	County	Risk Score	Risk Rating	SVI Percentile
1	Minnehaha	92.59	Relatively Moderate	37.5%
2	Pennington	85.46	Relatively Moderate	55.4%
3	Lincoln	83.42	Relatively Moderate	3.1%
4	Brown	79.13	Relatively Low	26.7%
5	Brookings	76.3	Relatively Low	15.4%
6	Codington	71.62	Relatively Low	24.1%
7	Meade	71.33	Relatively Low	17.4%
8	Turner	69.55	Relatively Low	7.2%
9	McCook	69.11	Relatively Low	3.7%
10	Yankton	66.66	Relatively Low	20.1%