Natural Disaster Risk in Guernsey

Natural Hazard Profile: Guernsey, Wyoming

Guernsey, in Platte County, is a small community of about 932 situated in the Great Plains. Its semi-arid climate brings high winds, cold winters, and significant snowfall at elevation, and in particular blizzards and rapid weather changes. These conditions collectively define the natural hazard environment that Guernsey residents and property owners must navigate.

According to FEMA's National Risk Index, Guernsey carries an overall risk score of 5.4/10, placing it in the moderate category. Wildfire is the primary natural hazard, driven by dry seasonal conditions, fire-prone vegetation, and the wind patterns that can spread flames rapidly across the landscape. The area also faces notable exposure to winter and avalanche.

Within Wyoming, Guernsey's risk is, near the 5.3/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Platte County identifies wildfire as the foremost hazard, followed by winter and avalanche. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Guernsey 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 wildfire is recommended.