Natural Disaster Risk in Trempealeau

Natural Hazard Profile: Trempealeau, Wisconsin

Trempealeau, in Trempealeau County, is a town of roughly 3,806 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 Trempealeau residents and property owners must navigate.

Trempealeau's overall natural disaster risk is rated 5.6/10 (Moderate) by FEMA's National Risk Index. The area faces significant landslide risk, where mountainous topography and saturated soils during wet periods combine to create hazardous mass movement conditions. Secondary hazards include hail and cold wave.

Within Wisconsin, Trempealeau's risk is, near the 5.4/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Trempealeau County identifies landslide as the foremost hazard, followed by hail and cold wave. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Trempealeau 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 landslide is recommended.