FEMA Records
5
Low volume
Montana · FEMA + NOAA + National Risk Index
Wibaux County, MT
5 FEMA disaster declarations (2001-2020), with a FEMA National Risk Index rating of Very Low. Most common hazard: Biological.
- 5
- FEMA declarations
- 3
- Major disasters
- 11
- NRI risk · Very Low
- Biological
- Top hazard
The verdict
Start with the local benchmark for Wibaux County: 5 FEMA declaration records are 54% below the Montana county mean, even though the count is higher than 2% of counties in the national registry. On FEMA's distinct National Risk Index model, which combines expected loss with vulnerability and resilience, the county ranks safer than 11%.
- Safer than 11%
- of U.S. counties for FEMA National Risk Index score
- Very Low
- FEMA National Risk Index rating
- 5
- FEMA declarations vs 21 national county avg
- 3
- NFIP flood insurance claims filed
FEMA's National Risk Index and its declaration registry are separate measures. This county's registry includes Major Disaster (DR) and Emergency (EM) records; an EM authorizes a narrower set of federal assistance than a DR.
How does Wibaux County compare?
Wibaux County vs. all counties in this dataset
FEMA disaster declarations, all-time
5 2nd percentile higher than 2% of 3,266 counties
Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source FEMA Disaster Declarations Summaries v2 · 2026-08-03
Wibaux County's FEMA Risk Index score
FEMA National Risk Index composite score vs. the Montana county average
What does Wibaux County's hazard record show?
Declaration frequency
The state comparison is the clearest context for Wibaux County's moderate federal record. Its 5 declarations sit 54% below the Montana county mean, with 3 Major Disaster entries among them. 2 records concern Biological, the file's most frequent incident type. Spread across 19 years, the registry rate is 0.3 per year. FEMA reports authorized programs separately from the DR, EM, and FM codes.
FEMA National Risk Index
FEMA's National Risk Index places this county in the low end of the national distribution, composite score 11.1/100 (Very Low). Expected Annual Loss is rated Very Low (roughly $6.7M in annualized losses). Two modifiers shape how that exposure becomes real-world harm here: social vulnerability (Very Low) and community resilience (Very Low). Among the 18 modeled hazards, Cold Wave carries the county's highest rating, a mid-range Relatively Moderate. FEMA's modeled frequency puts that hazard at an average of 13 times per year here, based on 252 historical events on record.
Reading the federal records together
This county has a small entry in FEMA's NFIP paid-claims table: 3 claims and $77.1K paid in total. PlainHazard calls 1-49 claims a light registry record, a label for this dataset rather than a finding that flood exposure is low. A short claims history can also reflect insurance take-up, the period covered, or losses that were never insured.
Start with the state benchmark: a Montana county averages 11.0 federal declaration records, while Wibaux County has 5. The gap is 54% below that mean. Fewer entries indicate a quieter history of recorded federal actions, not immunity from a hazard and not a prediction about what happens next.
33 /100
Historical Activity Index
Moderate historical activity
Wibaux County, MT · PlainHazard-derived composite from federal records
This 0–100 index is an explicit PlainHazard composite from FEMA declaration history only on the county surface (this DB has no county-level NOAA damage row) . It is not FEMA's National Risk Index, not a forecast, and not a safety, insurance, or preparedness rating. Open the calculator · Methodology
FEMA Declarations (1953–present) Low
4/30
5 OpenFEMA declarations, full ingest window (0.2x national county average)
County Disaster Density Low
6/25
5 declarations (0.5x state county average of 11)
Major Disaster Share High
15/25
3 of 5 declarations are major disasters (60%)
Hazard Diversity Moderate
8/20
3 different disaster types declared in Wibaux County
Historical Declaration Activity
Activity Band
Moderate
vs. Montana Avg
-54%
State avg: 11.0
vs. National Avg
-76%
National avg: 20.7
Avg Per Year
0.3
Over 19 years
FEMA NRI 8-hazard radar - Wibaux County
How to read this radar
Each axis: NRI risk rating (Very Low-Very High) on a 0-100 scale. Rounder = broad exposure; spiky = one or two hazards dominate.
Major Disaster share
60%
Major-heavy
NRI risk score
11
Very Low
Source: FEMA National Risk Index Per-county per-hazard ratings, December 2025 release
How often does each hazard strike Wibaux County?
FEMA's National Risk Index models a historical event count and an annualized frequency for each hazard type. Most hazards are expressed as modeled occurrences per year; FEMA expresses drought and heat-wave frequency as event-days per year. These modeled frequencies are not forecasts.
| Hazard | NRI Risk Rating | Recurrence |
|---|---|---|
| Cold Wave | Relatively Moderate | an average of 13 times per year |
| Wildfire | Very Low | roughly once every 794 years |
| Winter Weather | Relatively Low | an average of 18 times per year |
| Ice Storm | Very Low | roughly once every 3 years |
| Hail | Very Low | an average of 2.2 times per year |
| Drought | Very Low | 27 modeled event-days per year |
| Heat Wave | Very Low | 2.6 modeled event-days per year |
| Tornado | Very Low | roughly once every 9 years |
| Landslide | Very Low | roughly once every 3 years |
| Strong Wind | Very Low | an average of 1.4 times per year |
| Riverine Flooding | Very Low | roughly once every 2 years |
| Lightning | Very Low | an average of 30 times per year |
| Earthquake | Very Low | roughly once every 10,309 years |
Source: FEMA National Risk Index Modeled annualized frequency; drought and heat wave use event-days/year, December 2025 release
Disaster Types
Biological 2
Severe Storm 2
Hurricane 1
What Biological declarations mean here
Biological is the most frequent declaration type on Wibaux County's record, 40% of its declarations. In practice this category is dominated by the COVID-19 declarations of 2020, which were issued across every US state and territory rather than in response to any local hazard event.
This has a direct consequence for how Wibaux County's number should be read. Because those declarations reached essentially every county in the country, they raise every county's total by a similar amount and tell you nothing about local hazard exposure. A county whose record is led by Biological declarations is, in most cases, a county with a genuinely quiet weather-hazard history, the pandemic records are simply the largest thing in an otherwise short list.
Declaration counts describe past federal action. They are a record of what was declared, not a forecast of future hazard probability.
Declaration Types
What DR / EM / FM mean
FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).
Major Disaster - 3 60.0%
of all 5 declarations
Emergency - 2 40.0%
of all 5 declarations
FEMA Declarations Timeline
| Year | Declarations | |
|---|---|---|
| 2020 | 2 | |
| 2011 | 1 | |
| 2005 | 1 | |
| 2001 | 1 | |
Disaster Declarations
How the 5 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.
Download these 5 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.
| DR# | Title | Type | Incident | Date |
|---|---|---|---|---|
| 4508 | COVID-19 PANDEMIC | DR | Biological | 2020-03-31 |
| 3476 | COVID-19 | EM | Biological | 2020-03-13 |
| 1996 | SEVERE STORMS AND FLOODING | DR | Severe Storm | 2011-06-17 |
| 3253 | HURRICANE KATRINA EVACUATION | EM | Hurricane | 2005-09-13 |
| 1350 | SEVERE WINTER STORMS | DR | Severe Storm | 2000-12-06 |
Storm Events in Montana
Statewide NOAA context only. PlainHazard does not currently attribute these state totals to Wibaux County.
| Storm Type | Events | Fatalities | Injuries | Property Damage |
|---|---|---|---|---|
| High Wind | 3,735 | 1 | 2 | $5.3M |
| Thunderstorm Wind | 2,396 | 5 | 24 | $15.1M |
| Hail | 2,015 | 0 | 0 | $4.1M |
| Winter Storm | 1,502 | 13 | 18 | $11.2M |
| Heavy Snow | 796 | 5 | 3 | $143.0K |
Source: NOAA Storm Events Database State-level aggregated data, 2015-2025
NFIP Flood Insurance Claims
Total Claims
3
Total Paid
$77.1K
Avg Per Claim
$25.7K
Source: FEMA National Flood Insurance Program (NFIP) OpenFEMA Claims Data
FEMA National Risk Index
Overall Risk
Very Low
Score: 11.1/100
Expected Annual Loss
Very Low
$6.7M/year
Social Vulnerability
Very Low
Community Resilience
Very Low
Hazard Risk Breakdown
Cold Wave Relatively Moderate
Wildfire Very Low
Winter Weather Relatively Low
Ice Storm Very Low
Hail Very Low
Drought Very Low
Heat Wave Very Low
Tornado Very Low
Landslide Very Low
Strong Wind Very Low
Riverine Flooding Very Low
Lightning Very Low
Earthquake Very Low
Source: FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri
The model's sharpest exposure here: Cold Wave
Cold Wave measures exposure to extreme cold rather than to snow. Its harm is concentrated in health effects, burst infrastructure and energy demand spikes, and it falls hardest where the building stock and the grid were not built with sustained cold in mind.
Worth noting for Wibaux County: the model and the federal record do NOT point at the same hazard. Cold Wave carries the highest modeled rating (Relatively Moderate), while the county's declaration history is led by Biological. That is not a contradiction, the two measure genuinely different things. Declarations record federal ACTION, which requires damage costly enough to exceed state and local capacity; the Risk Index models EXPECTED annual loss across all 18 hazards whether or not any declaration ever followed. A hazard can be the county's largest modeled exposure and never once have driven a declaration.
National Risk Index ratings are modeled estimates of expected annual loss, not predictions of what will happen in any given year.
Data-matched county comparisons
Wibaux County's closest FEMA peer: Minidoka County, ID
Comparisons use published FEMA declaration fields plus the National Risk Index composite for Wibaux County. Record similarity, not a safety rating.
Closest declaration profiles
Wibaux County shows 5 FEMA declarations, led by Biological.
Similar Major-disaster share
Wibaux County: 3 of 5 of its declarations are Major.
Similar modeled NRI score
Wibaux County: NRI composite 11.1 (Very Low).
How these peers are chosen
Cohort: Published U.S. county equivalents outside the source state or territory. Each metric keeps six ETL candidates; three unique destinations are shown after de-duplicating across axes. Declaration-volume ranking combines count and Major-disaster share and prefers a different leading incident type; Major-share ranks the Major fraction adjusted for volume; NRI ranks the modeled composite score only.
Retained FEMA snapshot feed for Wibaux County - capture-dated entries only.
Further reading for this county
Understanding disaster data
FEMA's National Risk Index flags Cold Wave as the top modeled exposure here (Relatively Moderate); the guide explains how that model differs from declaration counts.
More PlainHazard guides
- Most disaster-prone counties - U.S. counties ranked by FEMA declaration totals.
- Understanding disaster data - declarations vs storm events vs NRI scores.
- Preparing for natural disasters - household checklist (not county-specific advice).
Related
Frequently Asked Questions
What is the most common disaster type in Wibaux County?
The most common disaster type in Wibaux County is Biological, with 2 declarations. Other disaster types include Severe Storm (2), Hurricane (1).
How does Wibaux County's FEMA declaration record compare with the Montana average?
The typical Montana county has 11.0 FEMA declaration records; Wibaux County has 5, or 54% fewer. Against the national county mean of 20.7, this county's total is 76% lower. The comparison is historical and says nothing about the probability of a future event.
How many major FEMA disaster declarations has Wibaux County received?
Wibaux County has received 3 major disaster declarations, representing 60% of all 5 disaster declarations.
How many flood insurance claims has Wibaux County filed?
Wibaux County has 3 National Flood Insurance Program (NFIP) claims totaling $77.1K in payments, with an average of $25.7K per claim.
What was the worst year for disasters in Wibaux County?
The most active year for disaster declarations in Wibaux County was 2020, with 2 declarations. The county has FEMA disaster data spanning 2001 to 2020.
What is the FEMA National Risk Index score for Wibaux County?
According to the FEMA National Risk Index, Wibaux County, Montana has an overall risk score of 11.1 out of 100 (Very Low). The county's social vulnerability rating is Very Low and community resilience is Very Low. The Expected Annual Loss (EAL) score is Very Low, representing $6.7M in annualized losses.
Which natural hazard poses the greatest risk to Wibaux County?
The top hazard flagged by FEMA's NRI for Wibaux County is Cold Wave (risk rating: Relatively Moderate). Other significant hazards include Wildfire (Very Low) and Winter Weather (Relatively Low). FEMA's modeled event frequency puts cold wave here at an average of 13 times per year, drawn from 252 historical events on record. FEMA derives these ratings from historical event frequency, the assets exposed, and the community's vulnerability profile.
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.
Flood insurance data comes from the FEMA National Flood Insurance Program (NFIP) OpenFEMA claims dataset.
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 Wibaux County
Against a Montana county mean of 11 declarations, Wibaux County, MT records 5, or 54% fewer. PlainHazard classifies that historical total as moderate activity.
- Major Disaster is the largest group (3 of 5) in a declaration history that remains below its state benchmark; frequency here is not a forecast. Montana overview
- Nationally the county exceeds 2% of recorded county totals, but its own Montana benchmark is higher. The ranking keeps those two contexts separate. Most-disaster rankings
- A short NFIP claims file cannot establish low flood exposure; the data guide explains the limits of each federal measure. Disaster-data guide
A below-average federal record is not a safety guarantee. Use National Weather Service alerts and local emergency-management notices for present conditions, not this historical comparison.
PlainHazard derives this profile from FEMA's Disaster Declarations Summaries and National Risk Index data. The declaration comparison covers 3,266 U.S. counties and county equivalents in this database, refreshed as of 2026-08-03. 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. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, the data & editorial changelog, or report a data error.