Natural Disaster Risk in Great Falls

Natural Hazard Profile: Great Falls, Montana

Great Falls is a city of approximately 33,350 residents in Cascade County, in the northern tier of the continental United States. The area experiences cold winters, dry summers, and extreme temperature swings, with rapid chinook wind events and spring flooding shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Great Falls.

FEMA rates Great Falls's composite natural disaster risk at 6.3 out of 10 — high risk. Severe winter storms top the local risk profile, bringing blizzard conditions, ice storms, and extreme cold that pose health risks and cause extensive property and infrastructure damage. Residents should also account for cold wave and avalanche risk in their preparedness planning.

Great Falls's risk score, slightly above the 4.9/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Cascade County, the highest-scoring are winter, cold wave, and avalanche. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

Great Falls'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.