riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Teton County Disaster Risk

Teton County, Wyoming

FEMA Risk Rating

Relatively Low

NRI score (0–100 relative scale)

70.6

FEMA composite county value

State Rank

#2

of 23, sorted high to low by RiskByCounty

Flood NRI score

34.7

higher coastal/inland value

Hazard Risk Breakdown

Five selected hazard categories out of FEMA's 18. Values are FEMA NRI v1.20 scores on a 0–100 relative scale.

Wildfire

90.6 / 100

Earthquake

87.1 / 100

Flood

34.7 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (34.7) NRI scores.

Tornado

19.4 / 100

FEMA NRI data summary

Selected hazard scores for Teton County

Among the five hazard categories displayed by RiskByCounty, wildfire has the highest NRI score for this county.

Wildfire
90.6
Earthquake
87.1
Flood
34.7
Tornado
19.4
Hurricane
Not available

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
34.7
Coastal Flooding
Not available
Inland Flooding
34.7

These five categories are a selected subset of FEMA's 18 natural hazards. FEMA's composite score and official rating are separate fields in the National Risk Index dataset.

FEMA National Risk Index documentation

Official Ready.gov resource

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Frequently Asked Questions

How many Wyoming county records are included?
RiskByCounty includes 23 Wyoming county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Wyoming?
FEMA NRI v1.20 (December 2025) county rating counts for Wyoming: Very Low: 14; Relatively Low: 9; Relatively Moderate: 0; Relatively High: 0; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Wyoming?
FEMA NRI v1.20 (December 2025) availability among 23 county records: Flood: 23 of 23; Wildfire: 23 of 23; Tornado: 23 of 23; Earthquake: 23 of 23; Hurricane: 0 of 23. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Teton County, WY?
Teton County has an official FEMA NRI v1.20 composite rating of Relatively Low and an NRI score (0–100 relative scale) of 70.6. RiskByCounty ranks it 2nd of 23 Wyoming county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Teton County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Teton County, Wildfire: 90.6; Earthquake: 87.1; Flood: 34.7; Tornado: 19.4.
How is flood displayed for Teton County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Teton County, Coastal Flooding is Not available, Inland Flooding is 34.7, and the displayed flood score is 34.7.

Counties with Similar Risk

Natrona County

Wyoming

-1.8

Relatively Low

NRI score 68.9

Sheridan County

Wyoming

-5.4

Relatively Low

NRI score 65.2

Laramie County

Wyoming

+6.0

Relatively Low

NRI score 76.7

Published by RiskByCounty

County summaries are deterministic transformations of frozen FEMA county fields. No external subject-matter reviewer is credited.

Published · Updated

Data Source

County data sourced from FEMA National Risk Index v1.20, released December 2025. Values are labeled NRI score (0–100 relative scale). RiskByCounty displays five selected hazard categories out of FEMA's 18; flood is the higher of the Coastal Flooding and Inland Flooding source scores.

RiskByCounty presents county-level source fields and deterministic arithmetic summaries.

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