Lewis and Clark County, Montana
Natural Hazard Risk Assessment — Population: 70,922
71.2NRI
Relatively Low
Overall Risk Rating
👥
Population
70,922
🏠
Building Value
$15.5B
💰
Annual Hazard Loss
$34.8M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
⛄
Very HighWinter Weather
Annual Loss$1.6M
Risk Score98.1
⛰️
Relatively ModerateLandslide
Annual Loss$154K
Risk Score95.2
🥶
Relatively HighCold Wave
Annual Loss$12.9M
Risk Score94.6
🔥
Relatively ModerateWildfire
Annual Loss$2.5M
Risk Score92.8
🏔️
Relatively LowEarthquake
Annual Loss$3.8M
Risk Score86.8
🏔️
Relatively ModerateAvalanche
Annual Loss$457K
Risk Score79.8
⚡
Relatively ModerateLightning
Annual Loss$504K
Risk Score66.3
🌊
Relatively LowRiverine Flooding
Annual Loss$12.4M
Risk Score64.6
Show all 14 hazards
🌡️
Very LowHeat Wave
Annual Loss$213K
Risk Score35.4
☀️
Very LowDrought
Annual Loss$9K
Risk Score22.8
💨
Relatively LowStrong Wind
Annual Loss$226K
Risk Score21.2
❄️
Very LowIce Storm
Annual Loss$12K
Risk Score15.7
🧊
Very LowHail
Annual Loss$38K
Risk Score10.2
🌪️
Very LowTornado
Annual Loss$62K
Risk Score8.9
Lewis and Clark County vs. National Average
🎯 Overall Risk
71.2+22.5 vs avg
National avg: 48.7
🔥 Wildfire Risk
92.8+44.1 vs avg
National avg: 48.7
👥 Social Vulnerability
21.2-28.0 vs avg
National avg: 49.2
🛡️ Community Resilience
83.3+34.6 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
21.2
Relatively LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
83.3
Very HighHigher scores indicate better ability to prepare for, adapt to, and recover from hazards.
Frequently Asked Questions
Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.