Natural Disaster Risk in Grafton
Iowa
Risk Summary for Grafton
Grafton scores 3.8/10 (Low risk), below 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
Below-average risk — standard coverage likely adequate
Natural disaster risk here is below the US average. Standard homeowners insurance will typically be sufficient, but it is still worth reviewing exclusions for floods and earthquakes.
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Grafton, Iowa
Grafton, in Worth County, is a small unincorporated community situated in the interior eastern United States. Its humid continental climate brings cold winters, hot summers, and frequent severe weather, and in particular a tornado-active spring season. These conditions collectively define the natural hazard environment that Grafton residents and property owners must navigate.
Grafton's overall natural disaster risk is rated 3.8/10 (Low) by FEMA's National Risk Index. 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. Secondary hazards include tsunami and volcano.
Within Iowa, Grafton's risk is, considerably below the 5.4/10 state average. Nationally, it ranks below the U.S. national average of 4.5/10. FEMA's analysis of Worth County identifies drought as the foremost hazard, followed by tsunami and volcano. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
Grafton carries a below-average natural disaster risk, reflecting fewer and less severe hazard exposures than typical U.S. communities. Even so, the area's primary risk — drought — warrants awareness and appropriate insurance coverage, as lower risk does not mean zero risk.
What this means for Grafton: Drought preparedness
- Follow local water-use restrictions, which may be enacted during severe drought conditions.
- 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.
Local Factors for Grafton
These city-level factors differentiate Grafton from other communities in Worth County and provide geographic context for its hazard exposure.
Population
361
RuralGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Cool Continental
Latitude 43.3°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 1.5/10
Coordinates
43.3321° N, 93.0689° W
Worth 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 Grafton
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Grafton
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.