Natural Disaster Risk in Custer County
Idaho
Risk Summary for Custer County
Custer County scores 5.1/10 (Moderate risk), above the U.S. average of 4.5. The leading hazard is Avalanche.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Average risk — standard coverage usually sufficient
This area carries average natural disaster risk. A standard homeowners or renters policy should cover common events, but review the exclusions for floods and earthquakes, which are almost never included by default.
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Custer County, Idaho
Situated in the United States, Custer County in Idaho experiences a semi-arid climate marked by dry summers, cold winters, and significant wildfire risk. A high fire danger period from July through September is a defining feature of the regional hazard profile that affects residents and property owners countywide.
FEMA rates Custer County's composite natural disaster risk at 5.1 out of 10 — moderate risk. Avalanche risk is the dominant natural hazard, with steep mountain terrain and heavy seasonal snowpack creating conditions for dangerous snow slides in and around the area. Residents should also account for landslide and volcano risk in their preparedness planning.
Relative to other U.S. communities, Custer County's natural disaster risk is above the U.S. national average of 4.5/10, near the 5.1/10 state average. The hazard distribution here is led by avalanche and landslide, as measured by FEMA across Custer County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.
With a moderate risk rating, Custer County residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for avalanche is recommended.
What this means for Custer County: Avalanche preparedness
- Be aware of slope angles and recent snow loading, which drive avalanche risk.
- Properties in runout zones may require specialized hazard assessment and insurance.
- Check avalanche forecasts before backcountry travel and carry a beacon, probe, and shovel.
Cities in Custer County
ZIP codes in Custer County
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.