Natural Disaster Risk in Bonner

Natural Hazard Profile: Bonner, Montana

Bonner is a small community of about 1,931 in Missoula 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 Bonner.

FEMA rates Bonner's composite natural disaster risk at 6.2 out of 10 — high risk. Snow avalanche exposure tops the local risk profile, with the area's mountain setting and annual snowfall loading producing regular avalanche cycles on steep slopes. Residents should also account for landslide and wildfire risk in their preparedness planning.

Bonner'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 Missoula County, the highest-scoring are avalanche, landslide, and wildfire. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

Bonner'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.