FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Wyoming Disaster Risk

Natural disaster risk data for all 23 counties.

Avg FEMA Rating

Very Low

Avg Percentile

38th

Counties with Data

of 23 total

County risk atlas

Wyoming hazard exposure by county

A compact 2.5D surface of FEMA National Risk Index percentiles. Toggle composite, flood, wildfire, hurricane, tornado, and earthquake risk to see which counties carry the highest relative exposure without loading the full national explorer dataset.

Counties

23/23

Avg composite

38th

Risk layers

Highest Risk Counties

Laramie County

Relatively Low

77th percentile

Teton County

Relatively Low

71th percentile

Natrona County

Relatively Low

69th percentile

Sheridan County

Relatively Low

65th percentile

Fremont County

Relatively Low

60th percentile

Lowest Risk Counties

Niobrara County

Very Low

3th percentile

Weston County

Very Low

8th percentile

Crook County

Very Low

16th percentile

Hot Springs County

Very Low

16th percentile

Uinta County

Very Low

17th percentile

All Wyoming Counties

County	Percentile	FEMA Rating	Flood	Wildfire	Tornado	Earthquake
Laramie County	77th	Relatively Low	67.0	91.9	88.4	70.0
Teton County	71th	Relatively Low	34.7	90.6	19.4	87.1
Natrona County	69th	Relatively Low	74.7	93.0	36.9	82.8
Sheridan County	65th	Relatively Low	74.4	93.9	22.2	65.5
Fremont County	60th	Relatively Low	66.5	92.6	19.6	86.2
Park County	58th	Relatively Low	60.8	82.7	25.9	78.2
Campbell County	56th	Relatively Low	40.2	92.9	46.3	72.3
Lincoln County	52th	Relatively Low	35.5	83.6	12.9	87.8
Albany County	48th	Relatively Low	44.1	84.7	36.7	61.5
Carbon County	43th	Very Low	50.3	81.9	8.6	60.7
Converse County	31th	Very Low	40.4	91.1	24.2	55.3
Big Horn County	31th	Very Low	52.4	61.4	16.7	61.4
Sweetwater County	31th	Very Low	52.4	66.2	9.4	65.6
Goshen County	28th	Very Low	31.0	72.6	47.0	38.9
Platte County	26th	Very Low	33.2	87.6	33.6	40.6
Washakie County	24th	Very Low	48.6	66.7	15.0	71.7
Sublette County	22th	Very Low	21.4	87.7	5.8	76.2
Johnson County	19th	Very Low	36.9	87.8	15.6	57.7
Uinta County	17th	Very Low	34.1	83.5	10.4	64.2
Hot Springs County	16th	Very Low	39.4	66.4	11.4	60.8
Crook County	16th	Very Low	20.1	85.1	22.2	29.2
Weston County	8th	Very Low	8.2	83.7	22.3	31.3
Niobrara County	3th	Very Low	6.9	80.9	13.5	28.4

Frequently Asked Questions

Which county in Wyoming has the highest natural disaster risk?

Laramie County has the highest natural disaster risk in Wyoming, rated Relatively Low (77th percentile nationally), based on FEMA National Risk Index data.

Which county in Wyoming is the safest from natural disasters?

Niobrara County has the lowest natural disaster risk in Wyoming, rated Very Low (3th percentile nationally), based on FEMA NRI data.

What natural disasters are most common in Wyoming?

Wyoming counties face varying levels of risk from floods, wildfires, tornadoes, earthquakes, and hurricanes. The FEMA National Risk Index scores each county across 18 hazard types. See individual county pages for detailed hazard breakdowns.

How is natural disaster risk measured by county?

The FEMA National Risk Index (NRI) measures natural disaster risk using expected annual loss, social vulnerability, and community resilience. Scores are normalized nationally, with ratings from Very Low to Very High across 18 natural hazard types.

Prepare your household for natural disasters

FEMA's Ready.gov provides county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

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.

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