Custer County, Montana
FEMA National Risk Index threat assessment for Custer County.
Threat Level
Elevated
NRI Composite Score
9.8
Social Vulnerability
45.8
Community Resilience
56.0
Top Hazards
Cold Wave
26.9
Relatively Moderate
Winter Weather
20.5
Relatively Moderate
Lightning
16.9
Relatively Moderate
Inland Flooding
16.5
Relatively Moderate
Drought
11.5
Relatively Low
Landslide
11.0
Relatively Low
Strong Wind
10.0
Relatively Low
Tornado
8.0
Very Low
Wildfire
6.8
Relatively Low
Ice Storm
6.6
Very Low
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