Skip to main content
Know Your Ground

County Data

Custer County, Idaho

Self-reliance and preparedness data for Custer County

Very Low

Hazard Risk (5.4/100)

Moderate

Solar (4.4 kWh/m²/day)

Natural Hazard Risks in Custer County

HazardRisk RatingScore
LandslideRelatively Moderate23.6
Cold WaveRelatively Moderate22.7
AvalancheRelatively Low12.3
WildfireRelatively Low8.6
Winter WeatherVery Low8.5

Source: FEMA National Risk Index. Scores 0–100, higher = more risk.

Climate Profile

Temperature & Growing Season

January Avg21°F

Water & Energy

Annual Precipitation0.3
Solar Potential4.4 kWh/m²/day
Wind Speed1.0 m/s
Soil TypeSilt Loam

Local Species

45

Edible species

22

Medicinal species

50

Autonomy Score

Get Your Custer County Guide

Enter any zip code in Custer County for a full location-specific guide with planting calendars, foraging data, water strategy, and personalized action plans.

Full guide from $14.99 — printable, offline-ready

Frequently Asked Questions

What are the biggest natural hazards in Custer County, Idaho?
Custer County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Landslide, Cold Wave, Avalanche. 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.

Other Counties in Idaho