Blaine County Disaster Risk

Blaine County has a FEMA National Risk Index rating of Relatively Low, placing it in the 46th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.

Blaine County is evaluated for five major natural hazard types: wildfire (70th percentile), flooding (47th percentile), earthquake (13th percentile), tornado (7th percentile). The highest-risk hazard is wildfire at the 70th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.

Blaine County's composite risk percentile is 46th, compared to the Montana state average of 33th percentile. The state's overall risk rating is Very Low. This means Blaine County faces higher natural disaster risk than the typical county in Montana.

Yes, Blaine County's wildfire risk is at the 70th percentile nationally. This is above the national median. For flooding specifically, Blaine County is at the 47th percentile.

FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.

Blaine County's composite risk score of 46th percentile is above the Montana state average of 33th percentile. This elevated risk is driven by wildfire exposure (70th percentile). Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.