Natural Disaster Risk in Mason City
Iowa
Risk Summary for Mason City
Mason City scores 5.7/10 (Moderate 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
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: Mason City, Iowa
Located in the interior eastern United States in Cerro Gordo County, Mason City is a city of approximately 28,703 residents. The humid continental climate that characterizes this part of Iowa — marked by cold winters, hot summers, and frequent severe weather — directly influences the types and severity of natural hazards present, making Mason City a community where hazard awareness has real practical value.
Mason City's overall natural disaster risk is rated 5.7/10 (Moderate) by FEMA's National Risk Index. Prolonged drought is the primary hazard risk, shaped by low annual rainfall, high evaporation rates, and increasing temperature trends that deepen and lengthen dry periods. Secondary hazards include tornado and winter.
Relative to other U.S. communities, Mason City's natural disaster risk is above the U.S. national average of 4.5/10, near the 5.4/10 state average. The hazard distribution here is led by drought and tornado, as measured by FEMA across Cerro Gordo County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.
With a moderate risk rating, Mason City 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 drought is recommended.
What this means for Mason City: Drought preparedness
- 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.
- Adopt water-efficient landscaping and fixtures to reduce strain during extended dry periods.
Local Factors for Mason City
These city-level factors differentiate Mason City from other communities in Cerro Gordo County and provide geographic context for its hazard exposure.
Population
28,703
SuburbanGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Cool Continental
Latitude 43.2°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 3.6/10
Coordinates
43.1539° N, 93.2001° W
Cerro Gordo 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 Mason City
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Mason City
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.