Natural Disaster Risk in Marlette

Natural Hazard Profile: Marlette, Michigan

Marlette, in Sanilac County, is a town of roughly 5,046 residents situated in the Great Lakes region. Its humid continental climate brings severe winters amplified by lake-effect snow and warm, humid summers, and in particular intense lake-effect snowstorms off Lake Michigan and Lake Erie. These conditions collectively define the natural hazard environment that Marlette residents and property owners must navigate.

Marlette's overall natural disaster risk is rated 5.9/10 (Moderate) by FEMA's National Risk Index. Cold wave events are the primary hazard risk, driven by periodic invasions of Arctic air that drive wind chills to life-threatening levels and stress heating systems. Secondary hazards include winter and coastal flood.

Within Michigan, Marlette's risk is, slightly above the 5.3/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Sanilac County identifies cold wave as the foremost hazard, followed by winter and coastal flood. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Marlette 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 cold wave is recommended.