Natural Disaster Risk in Lake Mills
Wisconsin
Risk Summary for Lake Mills
Lake Mills scores 6.2/10 (High risk), above the U.S. average of 4.5. The leading hazard is Hail.
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: Lake Mills, Wisconsin
Lake Mills, in Jefferson County, is a town of roughly 9,731 residents situated in the interior eastern United States. Its humid continental climate brings long, cold winters with lake-effect snow and warm summers, and in particular severe blizzards and spring tornado outbreaks. These conditions collectively define the natural hazard environment that Lake Mills residents and property owners must navigate.
Lake Mills's overall natural disaster risk is rated 6.2/10 (High) by FEMA's National Risk Index. Hailstorm risk tops the local hazard profile, driven by frequent severe thunderstorm development that produces some of the most property-damaging hail in the country. Secondary hazards include tornado and cold wave.
Within Wisconsin, Lake Mills's risk is, slightly above the 5.4/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Jefferson County identifies hail as the foremost hazard, followed by tornado and cold wave. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
Lake Mills's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.
What this means for Lake Mills: Hail preparedness
- Document roof and property condition annually to streamline any future hail claims.
- Impact-resistant (Class 4) roofing can reduce hail damage and may lower insurance premiums.
- Park vehicles under cover when severe storms are forecast to avoid costly hail damage.
Local Factors for Lake Mills
These city-level factors differentiate Lake Mills from other communities in Jefferson County and provide geographic context for its hazard exposure.
Population
9,731
Small TownGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Cool Continental
Latitude 43.1°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 4.7/10
Coordinates
43.0783° N, 88.9151° W
Jefferson 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 Lake Mills
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Lake Mills
Other cities in Wisconsin
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.