Natural Disaster Risk in Hartland

Natural Hazard Profile: Hartland, Wisconsin

Located in the interior eastern United States in Waukesha County, Hartland is a city of approximately 21,778 residents. The humid continental climate that characterizes this part of Wisconsin — marked by long, cold winters with lake-effect snow and warm summers — directly influences the types and severity of natural hazards present, making Hartland a community where hazard awareness has real practical value.

FEMA rates Hartland's composite natural disaster risk at 6.8 out of 10 — high risk. Arctic air outbreaks are the leading natural hazard, with temperature plunges to dangerous lows capable of causing hypothermia and widespread infrastructure failures. Residents should also account for hail and tornado risk in their preparedness planning.

Relative to other U.S. communities, Hartland's natural disaster risk is well above the U.S. national average of 4.5/10, slightly above the 5.4/10 state average. The hazard distribution here is led by cold wave and hail, as measured by FEMA across Waukesha County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

With a high natural disaster risk rating, Hartland residents benefit from taking preparedness seriously. Reviewing insurance coverage for cold wave 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.