Natrona County Disaster Risk
Natrona County, Wyoming
FEMA Risk Rating
Relatively Low
National Percentile
69th
of 3,144 counties
State Rank
#3
of 23 (1 = highest risk)
Flood Risk
75th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively Low
Higher than 75% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Moderate
Higher than 93% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 37% of US counties
Earthquake
Seismic activity and ground shaking risk
Moderate
Higher than 83% of US counties
Risk Overview
About Natural Disaster Risk in Natrona County, Wyoming
Natrona elevated above national average
Natrona County's composite risk score of 68.86 places it significantly above the national average, though it retains a Relatively Low rating. The county faces roughly 80% more disaster risk than the safest U.S. counties.
Wyoming's second-riskiest county
Natrona County ranks second only to Laramie County in Wyoming's composite risk, scoring 68.86 against the state average of 37.86. The county's elevated risk reflects high exposure across multiple hazard types, particularly wildfires and earthquakes.
Significantly riskier than most neighbors
Natrona County's 68.86 score exceeds Park County (57.73) to the west and dwarfs Hot Springs (16.09) and Johnson (19.31) counties. Only Laramie County (76.69) faces greater overall disaster risk in the region.
Wildfires, floods, and earthquakes converge
Wildfire risk peaks at 93.03 in Natrona County—second-highest in Wyoming—while earthquake exposure reaches 82.82 and flood risk climbs to 74.71. This convergence of multiple hazards creates complex risk exposure requiring multifaceted preparation.
Comprehensive multi-hazard coverage critical
Natrona County residents face overlapping wildfire, flood, and earthquake risks that demand comprehensive insurance strategy—no single policy covers all three. Secure wildfire, flood, and earthquake insurance separately, and ensure your home's landscaping and structure meet wildfire defense standards.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Natrona County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Natrona County
Risk Verdict
Natrona County's FEMA risk score places it at the 69th percentile nationally, indicating lower-than-typical exposure for a U.S. county. A moderate composite score often means one or two hazard categories are doing the heavy lifting — knowing which ones matters for preparation.
Hazard Breakdown
Wildfire risk is Natrona County's dominant natural hazard, ranked at the 93th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 83th percentile nationally. Additional tracked hazards include flood (75th percentile), tornado (37th percentile).
Preparedness Context
Natrona County sits at the 93th percentile for wildfire exposure. Signing up for Natrona County's county emergency alert system and knowing the pre-planned evacuation route before conditions deteriorate are the two highest-value preparedness actions for residents here. Alongside wildfire, earthquake at the 83th percentile nationally means a multi-season preparedness mindset — fire season and flood or storm season often require different household plans. In Natrona County, wildfire smoke often precedes the flame front by hours or days; households benefit from tracking EPA's AirNow.gov and having HEPA air filtration available as a first line of indoor protection when air quality alerts are issued.
Regional Context
The Wyoming county average is 31.0 composite points below Natrona County's score, a gap that reflects the county's elevated position in the state's hazard distribution.
Is your household prepared for Natrona County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Natrona County, WY?
What types of natural hazards affect Natrona County?
How does Natrona County risk compare to the Wyoming average?
Is Natrona County at risk for wildfire?
How is natural disaster risk measured?
Why is Natrona County higher risk than average?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.