FEMA Records
4
Total declarations
If you are in immediate danger, call 911.
The data below is historical (NOAA Storm Events / FEMA), not a live alert. For current warnings and evacuation orders, check the National Weather Service, Ready.gov, or FEMA.gov.
Wyoming · FEMA + NOAA + National Risk Index
Natrona County, WY
4 FEMA disaster declarations (2012–2023), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Fire.
- 4
- FEMA declarations
- 2
- Major disasters
- 69
- NRI risk · Relatively Low
- Fire
- Top hazard
FEMA's National Risk Index places Natrona County in the top 31% of U.S. counties for overall natural-hazard risk, and its FEMA disaster-declaration count is higher than 59% of all 2,729 counties tracked.
How does Natrona County compare?
FEMA disaster declarations, this county versus the Wyoming county average and the national county average.
- Natrona County
- 4
- Wyoming county avg
- 1.7
- National county avg
- 3.7
How disaster-prone is Natrona County?
Natrona County, Wyoming has recorded 4 FEMA disaster declarations between 2012 and 2023, of which 2 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 0.4 declarations per year across a 11-year record, or roughly 130% above the Wyoming county average of 1.7 and 7% above the national county average of 3.7. Declaration counts reflect federal recognition of event severity, not pure hazard frequency, smaller incidents handled locally never appear in FEMA's ledger.
The dominant disaster type on record is Fire, with 2 of 4 declarations falling under this category. FEMA's National Risk Index assigns this county an overall risk rating of Relatively Low (composite score 68.9/100), driven by an Expected Annual Loss rating of Relatively Low equivalent to roughly $32.6M in annualized losses. Social vulnerability scores Relatively Low and community resilience scores Relatively Moderate - two factors that modify raw hazard exposure into actual harm. The single highest-risk natural hazard identified for this county is Winter Weather (Very High).
NFIP flood insurance claims data for this county is not present in the FEMA claims extract, which typically indicates either low historical flood activity or low policy penetration. Taken together, these indicators place Natrona County at a low relative risk level for federally recognized disasters. Households should pair this historical lens with forward-looking hazard maps, flood zones, wildfire risk overlays, and seismic zones published by FEMA and state emergency management, before making preparedness, insurance, or relocation decisions.
Risk Assessment
How Natrona County's disaster history compares to state and national averages.
Risk Level
Low
vs. Wyoming Avg
+130%
State avg: 1.7
vs. National Avg
+7%
National avg: 3.7
Avg Per Year
0.4
Over 11 years
FEMA NRI 8-hazard radar - Natrona County
The radar plots Natrona County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance.
NRI Source
FEMA 2023
Latest NRI release
County FIPS
56025
WY state code
Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release
Disaster Types
Breakdown of 4 FEMA disaster declarations in Natrona County by incident type.
Fire 2
Flood 1
Biological 1
Declaration Types
FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).
Major Disaster - 2 50.0%
of all 4 declarations
Fire Management - 2 50.0%
of all 4 declarations
FEMA Declarations Timeline
Disaster declarations per year for Natrona County.
| Year | Declarations | |
|---|---|---|
| 2023 | 1 | |
| 2020 | 1 | |
| 2016 | 1 | |
| 2012 | 1 | |
Disaster Declarations
All 4 FEMA disaster declarations for Natrona County, Wyoming.
| DR# | Title | Type | Incident | Date |
|---|---|---|---|---|
| 4739 | FLOODING | DR | Flood | 2023-09-11 |
| 4535 | COVID-19 PANDEMIC | DR | Biological | 2020-04-11 |
| 5115 | STATION FIRE | FM | Fire | 2015-10-11 |
| 5014 | SHEEP HERDER HILL FIRE COMPLEX | FM | Fire | 2012-09-09 |
Storm Events in Wyoming
NOAA severe weather data for Wyoming (2015–2025). Storm event data is tracked at the state level.
| Storm Type | Events | Fatalities | Injuries | Property Damage |
|---|---|---|---|---|
| High Wind | 5,545 | 0 | 21 | $2.1M |
| Winter Storm | 2,339 | 1 | 41 | $115.0K |
| Hail | 1,917 | 0 | 0 | $6.5M |
| Thunderstorm Wind | 1,301 | 1 | 12 | $950.3K |
| Winter Weather | 656 | 3 | 7 | $100.0K |
Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025
FEMA National Risk Index
FEMA's composite risk score combining 18 natural hazard types, social vulnerability, and community resilience for Natrona County.
Overall Risk
Relatively Low
Score: 68.9/100
Expected Annual Loss
Relatively Low
$32.6M/year
Social Vulnerability
Relatively Low
Community Resilience
Relatively Moderate
Hazard Risk Breakdown
Risk rating for each of the 18 FEMA NRI natural hazard types in Natrona County.
Winter Weather Very High
Wildfire Relatively Moderate
Landslide Relatively Moderate
Earthquake Relatively Low
Cold Wave Relatively Moderate
Avalanche Relatively Moderate
Lightning Relatively Moderate
Ice Storm Relatively Low
Hail Relatively Low
Tornado Relatively Low
Drought Very Low
Heat Wave Very Low
Strong Wind Very Low
Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri
Counties with Similar Risk in Wyoming
Other Wyoming counties with similar disaster declaration counts.
Disaster Preparedness Guides
Related
Frequently Asked Questions
How many natural disasters has Natrona County, Wyoming had?
Natrona County, Wyoming has received 4 FEMA disaster declarations from 2012 to 2023. Of these, 2 were major disaster declarations.
What is the most common disaster type in Natrona County?
The most common disaster type in Natrona County is Fire, with 2 declarations. Other disaster types include Flood (1), Biological (1).
How does Natrona County's disaster risk compare to the Wyoming average?
Natrona County has 4 disaster declarations, which is 130% higher than the Wyoming county average of 1.7 declarations. Compared to the national county average of 3.7, it is 7% higher.
How many major FEMA disaster declarations has Natrona County received?
Natrona County has received 2 major disaster declarations, representing 50% of all 4 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in Wyoming?
The most common storm types in Wyoming include High Wind (5,545 events), Winter Storm (2,339 events), Hail (1,917 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Natrona County?
The most active year for disaster declarations in Natrona County was 2012, with 1 declaration. The county has FEMA disaster data spanning 2012 to 2023.
What is the overall disaster risk level for Natrona County?
Based on FEMA declaration history, Natrona County has a low disaster risk level with 4 total declarations. This county has relatively few disaster declarations compared to the national average.
What is the FEMA National Risk Index score for Natrona County?
According to the FEMA National Risk Index, Natrona County, Wyoming has an overall risk score of 68.9 out of 100 (Relatively Low). The county's social vulnerability rating is Relatively Low and community resilience is Relatively Moderate. The Expected Annual Loss (EAL) score is Relatively Low, representing $32.6M in annualized losses.
Which natural hazard poses the greatest risk to Natrona County?
Based on FEMA NRI data, the highest-risk natural hazard in Natrona County is Winter Weather (risk rating: Very High). Other significant hazards include Wildfire (Relatively Moderate) and Landslide (Relatively Moderate). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology
Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.
Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.
This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.
What this means for Natrona County
Natrona County, WY has 4 FEMA disaster declarations on record, a low historical disaster load, 130% above the Wyoming county average.
- Its most common federal declaration type is major disaster (2 of 4) - know the hazards most likely here before they happen. Wyoming overview
- See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
- Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide
Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.
Read our methodology - how this data is sourced, computed, and verified.
All federal data sources used on this page
- FEMA OpenFEMA, Disaster Declarations Summaries v2 - all federally-declared disasters for this county. fema.gov/openfema/disaster-declarations
- FEMA National Risk Index (NRI) - per-county per-hazard risk ratings and expected annual loss. hazards.fema.gov/nri
- NOAA NCEI Storm Events Database - state-level storm/severe-weather event records, 2015–2025. ncdc.noaa.gov/stormevents
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial
Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →
Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.