Natural Disaster Risk in Yellowstone County

Natural Hazard Profile: Yellowstone County, Montana

Yellowstone County, in the United States in Montana, is characterized by its semi-arid climate — cold winters, dry summers, and extreme temperature swings. The county faces rapid chinook wind events and spring flooding, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.

According to FEMA's National Risk Index, Yellowstone County carries an overall risk score of 6.7/10, placing it in the high category. Winter weather is the dominant natural hazard, with the area facing heavy snowfall, ice accumulation, and bitter cold that can immobilize infrastructure and create dangerous travel conditions. The area also faces notable exposure to cold wave and wildfire.

Within Montana, Yellowstone County's risk is, considerably above the 4.9/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Yellowstone County identifies winter as the foremost hazard, followed by cold wave and wildfire. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

Yellowstone County'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.