Natural Disaster Risk — ZIP Code 83427
Iona, Idaho
Risk Summary for ZIP 83427
ZIP 83427 scores 6.9/10 (High 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
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: ZIP 83427, Idaho
ZIP 83427 covers part of the Iona area, in the Great Plains. The surrounding region experiences dry summers, cold winters, and significant wildfire risk, with a high fire danger period from July through September shaping the natural hazards that residents of this ZIP code face. Risk scores here are derived from FEMA data for the encompassing county.
FEMA rates ZIP 83427's composite natural disaster risk at 6.9 out of 10 — high risk. Snow avalanche exposure tops the local risk profile, with the area's mountain setting and annual snowfall loading producing regular avalanche cycles on steep slopes. Residents should also account for volcano and earthquake risk in their preparedness planning.
ZIP 83427's risk score, considerably above the 5.1/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA, the highest-scoring are avalanche, volcano, and earthquake. These scores reflect county-level data and represent the baseline risk that all communities in the county share.
With a high natural disaster risk rating, ZIP 83427 residents benefit from taking preparedness seriously. Reviewing insurance coverage for avalanche and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.
What this means for ZIP 83427: Avalanche preparedness
- Check avalanche forecasts before backcountry travel and carry a beacon, probe, and shovel.
- Be aware of slope angles and recent snow loading, which drive avalanche risk.
- Properties in runout zones may require specialized hazard assessment and insurance.
Risk for the surrounding area
Local Factors for ZIP 83427
These city-level factors differentiate ZIP 83427 from other communities in Idaho County and provide geographic context for its hazard exposure.
Population
2,931
Small TownGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Cool Continental
Latitude 43.4°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
High — long dry fire season
Fire score: 9.2/10
Coordinates
43.3594° N, 111.7506° W
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for ZIP 83427
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
Nearby ZIP codes
Other cities in Idaho
Data source: FEMA National Risk Index (NRI). County-level data applied to ZIP codes within each county. Scores are normalized to 1–10 across all US counties. This information is for general awareness only — consult official emergency management resources and a licensed insurer for property-specific advice.