Natural Disaster Risk in Dewar
Iowa
Risk Summary for Dewar
Dewar scores 6.5/10 (High risk), above the U.S. average of 4.5. The leading hazard is Drought.
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: Dewar, Iowa
Dewar is a small unincorporated community in Black Hawk County, in the interior eastern United States. The area experiences cold winters, hot summers, and frequent severe weather, with a tornado-active spring season shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Dewar.
FEMA rates Dewar's composite natural disaster risk at 6.5 out of 10 — high risk. The area faces significant drought exposure, where below-average precipitation over extended periods strains water resources and drives secondary hazards like wildfire and crop failure. Residents should also account for wind and winter risk in their preparedness planning.
Dewar's risk score, slightly above the 5.4/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Black Hawk County, the highest-scoring are drought, wind, and winter. 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, Dewar residents benefit from taking preparedness seriously. Reviewing insurance coverage for drought 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 Dewar: Drought preparedness
- Adopt water-efficient landscaping and fixtures to reduce strain during extended dry periods.
- Be aware that prolonged drought raises secondary risks including wildfire and foundation soil movement.
- Follow local water-use restrictions, which may be enacted during severe drought conditions.
Local Factors for Dewar
These city-level factors differentiate Dewar from other communities in Black Hawk County and provide geographic context for its hazard exposure.
Population
153
RuralGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Cool Continental
Latitude 42.5°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 4.5/10
Coordinates
42.5269° N, 92.2096° W
Black Hawk County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for Dewar
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Dewar
Other cities in Iowa
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.