County Data
Custer County, Montana
Self-reliance and preparedness data for Custer County
Relatively Low
Hazard Risk (9.8/100)
Moderate
Solar (4.1 kWh/m²/day)
Natural Hazard Risks in Custer County
| Hazard | Risk Rating | Score |
|---|---|---|
| Cold Wave | Relatively Moderate | 26.9 |
| Winter Weather | Relatively Moderate | 20.5 |
| Lightning | Relatively Moderate | 16.9 |
| Riverine Flooding | Relatively Moderate | 16.5 |
| Drought | Relatively Low | 11.5 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 22°F |
Water & Energy
| Annual Precipitation | 0.6″ |
| Solar Potential | 4.1 kWh/m²/day |
| Wind Speed | 3.4 m/s |
| Soil Type | Loam |
Local Species
45
Edible species
22
Medicinal species
50
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Custer County, Montana?
- Custer County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Cold Wave, Winter Weather, Lightning. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Custer County good for solar power?
- Custer County has a moderate solar rating. Solar potential is based on average daily irradiance (kWh/m²/day), which determines how much energy rooftop or ground-mounted panels can produce year-round.
- How many edible plants grow in Custer County?
- Our database identifies 45 edible plant species in Custer County based on regional flora data, USDA hardiness zone, and iNaturalist observations. The full field guide includes identification notes, preparation methods, and seasonal availability.
- What is the autonomy score for Custer County?
- Custer County has an autonomy score of 50. This composite score measures local self-reliance potential across water access, food production capacity, energy resources, and supply chain resilience. Higher scores indicate greater potential for self-sufficiency.