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Wisconsin · FEMA + NOAA + National Risk Index

Washington County, WI

14 FEMA disaster declarations (1976-2026), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Flood.

14
FEMA declarations
10
Major disasters
68
NRI risk · Relatively Low
Flood
Top hazard

The verdict

Two federal records point in the busier direction for Washington County. Its 14 FEMA declarations are 14% above the Wisconsin county mean and exceed the count for 20% of the 3,266 counties in this registry. Separately, FEMA's National Risk Index places it in the riskiest 32%, based on modeled expected annual loss, social vulnerability, and community resilience.

Riskiest 32%
of U.S. counties for FEMA National Risk Index score
Relatively Low
FEMA National Risk Index rating
14
FEMA declarations vs 21 national county avg
78
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.

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FEMA OpenFEMA declaration desk

County FIPS 55131 · Washington County 14 declarations · rank 2577/3,266

DECL-MID · MAJOR-MID · RANK-LOWER · PHOTO-FINISH · NRI-LOW · ACT-HIGH · TYPE-LEAD · VS-ST-ABOVE

  • DECL-MID 14
  • MAJOR-MID 71%
  • RANK-LOWER #2,577
  • PHOTO-FINISH Pulaski
  • NRI-LOW 68
  • ACT-HIGH High
  • TYPE-LEAD Flood
  • VS-ST-ABOVE +14%

Nearest declaration peer: Pulaski, IL (0 declaration gap)

FEMA Disaster Declarations Summaries v2 filing stamps for this county register. Read with this county → · Wisconsin state profile

Washington County among counties with fewer federal records

FEMA declaration records among Washington County and nearest peers by total count

declarations

What this shows Washington County carries 14 FEMA declaration records, ranked 2577 of 3,266 counties in this registry.

Source FEMA OpenFEMA Disaster Declarations Summaries v2 As of 2026-08-25

Washington County versus quieter counties in this dataset

Washington County among lower-declaration counties nationally

FEMA disaster declarations, all-time · Washington County

14 20th percentile higher than 20% of 3,266 counties

This county 0 90 all U.S. counties FEMA tracks, bucketed by value

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 · 2026-08-25

Washington County's FEMA Risk Index score

0/100100/100Wisconsin avg59/10068.3/100
FEMA National Risk Index composite score vs. the Wisconsin county average

Which hazard drives modeled loss here?

FEMA's modeled annual dollar loss for Washington County is led by Riverine Flooding (about $20.0M Expected Annual Loss, Historical Loss Ratio Relatively Moderate), while Cold Wave carries the highest National Risk Index rating (Relatively High). EAL and risk score use different inputs; they need not agree.

Source: FEMA National Risk Index (December 2025 release) - Expected Annual Loss vs composite risk rating by hazard.

What does Washington County's hazard record show?

Reading the federal records together

The NFIP claims register shows a middle-volume loss record here: 78 paid claims, totaling $1.2M. PlainHazard uses 50-499 claims for this descriptive band; FEMA does not publish it as a safety or coverage category. The $15.6K average describes payments on recorded claims only, leaving uninsured damage and properties without a claim outside the measure.

The declaration register points in the busier direction. Washington County's 14 federal records stand 14% above the Wisconsin county mean of 12.3. That comparison describes how often federal action was recorded, including any Major Disaster, Emergency, and Fire Management entries shown on this page; it does not convert the count into future probability.

FEMA National Risk Index

This county carries a high composite score on FEMA's National Risk Index, 68.3/100, rated Relatively Low. Its Expected Annual Loss rating is Relatively Low (roughly $48.4M in annualized losses), and a Very Low social-vulnerability profile combined with Very High community resilience shapes how much of that raw exposure becomes realized harm. Of the 18 hazards FEMA models, Cold Wave stands out as the sharpest exposure here, rated Relatively High. FEMA's modeled frequency puts that hazard at an average of 5.4 times per year here, based on 103 historical events on record.

57 /100

Historical Activity Index

High historical activity

Washington County, WI · 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) Moderate
10/30

14 OpenFEMA declarations, full ingest window (0.7x national county average)

County Disaster Density High
14/25

14 declarations (1.1x state county average of 12)

Major Disaster Share High
18/25

10 of 14 declarations are major disasters (71%)

Hazard Diversity Very High
15/20

6 different disaster types declared in Washington County

FEMA NRI 8-hazard radar - Washington County

Washington County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard scores for Earthquake 8, Flood 25, Hurricane 8, Tornado 48, Wildfire 8, Drought 25, Heat Wave 25, Winter Storm 70. The simple mean of these eight displayed scores is 27 of 100. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 27 8-hazard mean
Washington County NRI risk profile FIPS 55131 · displayed-hazard mean 27/100
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.

FEMA Records

14

Low volume

Major Disaster share

71%

Major-heavy

NRI risk score

68

Relatively Low

Source: FEMA National Risk Index Per-county per-hazard ratings, December 2025 release

How often does each hazard strike Washington 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 High an average of 5.4 times per year
Hail Relatively Moderate an average of 3.2 times per year
Tornado Relatively Moderate roughly once every 4 years
Heat Wave Relatively Low 2.7 modeled event-days per year
Riverine Flooding Relatively Low roughly once every 2 years
Winter Weather Relatively Moderate an average of 16 times per year
Landslide Very Low roughly once every 9 years
Lightning Relatively Moderate an average of 34 times per year
Strong Wind Relatively Moderate an average of 3.4 times per year
Wildfire Very Low roughly once every 4,550 years
Ice Storm Relatively Low roughly once every 2 years
Drought Relatively Low 0.6 modeled event-days per year
Earthquake Very Low roughly once every 1,770 years
Hurricane Very Low roughly once every 108 years

Source: FEMA National Risk Index Modeled annualized frequency; drought and heat wave use event-days/year, December 2025 release

Disaster Types

Flood 4
Severe Storm 4
Biological 2
Snowstorm 2
Hurricane 1
Drought 1

What Flood declarations mean here

Flood is the most frequent declaration type on Washington County's record, 29% of its declarations. Federal flood declarations cover two mechanisms that behave very differently: riverine flooding, which builds over days as a watershed drains and is usually forecast well in advance, and flash flooding, which can arrive in under an hour from rainfall that fell somewhere upstream.

Flood is also the one hazard class where a second federal dataset exists for the same events. The National Flood Insurance Program records what was actually paid on insured losses, so it measures a narrower thing than the declaration count: uninsured damage, and flooding outside mapped special flood hazard areas, never enters it. Reading the two together is more informative than either alone.

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 - 10 71.4%

of all 14 declarations

Emergency - 4 28.6%

of all 14 declarations

FEMA Declarations Timeline

Year Declarations
2026 1
2025 1
2020 2
2011 1
2008 2
2005 1
2004 1
1997 1
1991 1
1987 1
1976 2

Disaster Declarations

How the 14 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.

Download these 14 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.

DR# Title Type Incident Date
4923 SEVERE STORMS, TORNADOES, AND FLOODING DR Flood 2026-06-30
4892 SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, AND MUDSLIDES DR Flood 2025-09-11
4520 COVID-19 PANDEMIC DR Biological 2020-04-04
3454 COVID-19 EM Biological 2020-03-13
1966 SEVERE WINTER STORM AND SNOWSTORM DR Snowstorm 2011-04-05
1768 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2008-06-14
3285 RECORD SNOW AND NEAR RECORD SNOW EM Snowstorm 2008-03-19
3249 HURRICANE KATRINA EVACUATION EM Hurricane 2005-09-13
1526 SEVERE STORMS AND FLOODING DR Severe Storm 2004-06-18
1180 SEVERE STORMS AND FLOODING DR Severe Storm 1997-07-07
912 SEVERE STORMS & HAIL DR Severe Storm 1991-08-06
775 SEVERE STORMS & FLOODING DR Flood 1986-10-07
3014 DROUGHT EM Drought 1976-06-17
496 SEVERE STORMS, ICING, WIND & FLOODING DR Flood 1976-03-23

Storm Events in Wisconsin

Statewide NOAA context only. PlainHazard does not currently attribute these state totals to Washington County.

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 3,504 5 23 $45.0M
Hail 2,620 0 0 $57.8M
Winter Weather 1,939 43 152 $2.1M
Winter Storm 1,338 15 86 $2.3M
Flood 740 12 4 $115.6M

Source: NOAA Storm Events Database State-level aggregated data, 2015-2025

NFIP Flood Insurance Claims

Total Claims

78

Total Paid

$1.2M

Avg Per Claim

$15.6K

Source: FEMA National Flood Insurance Program (NFIP) OpenFEMA Claims Data

FEMA National Risk Index

Overall Risk

Relatively Low

Score: 68.3/100

Expected Annual Loss

Relatively Low

$48.4M/year

Social Vulnerability

Very Low

Community Resilience

Very High

Hazard Risk Breakdown

Cold Wave Relatively High
Hail Relatively Moderate
Tornado Relatively Moderate
Heat Wave Relatively Low
Riverine Flooding Relatively Low
Winter Weather Relatively Moderate
Landslide Very Low
Lightning Relatively Moderate
Strong Wind Relatively Moderate
Wildfire Very Low
Ice Storm Relatively Low
Drought Relatively Low
Earthquake Very Low
Hurricane 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 Washington County: the model and the federal record do NOT point at the same hazard. Cold Wave carries the highest modeled rating (Relatively High), while the county's declaration history is led by Flood. 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

Washington County's closest FEMA peer: Greene County, NY

Comparisons use published FEMA declaration fields plus the National Risk Index composite for Washington County. Record similarity, not a safety rating.

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 Washington County - capture-dated entries only.

Compare beyond this state

Nationwide peers by NRI score & FEMA declaration volume

Two PlainHazard-derived comparison paths for Washington County: nearest out-of-state National Risk Index composite and nearest FEMA declaration count (floor ≥5 records). Record similarity only, not a forecast of the next hazard.

Further reading for this county

Understanding disaster data

Washington County's NFIP claims file (78 claims) and FEMA declaration history measure different federal records - this guide separates them from modeled NRI risk.

More PlainHazard guides

Frequently Asked Questions

What is the most common disaster type in Washington County?
The most common disaster type in Washington County is Flood, with 4 declarations. Other disaster types include Severe Storm (4), Biological (2), Snowstorm (2).
How does Washington County's FEMA declaration record compare with the Wisconsin average?
FEMA lists 14 declaration records for Washington County. That is 14% above the Wisconsin county mean of 12.3. Its count is also 32% below the national county mean of 20.7. A larger declaration history records more federal actions; it is not a forecast of the county's next hazard.
How many major FEMA disaster declarations has Washington County received?
Washington County has received 10 major disaster declarations, representing 71% of all 14 disaster declarations.
How many flood insurance claims has Washington County filed?
Washington County has 78 National Flood Insurance Program (NFIP) claims totaling $1.2M in payments, with an average of $15.6K per claim.
Does FEMA's top risk-rated hazard match the highest Expected Annual Loss in Washington County?
No. In Washington County, Cold Wave has the highest National Risk Index rating (Relatively High), while Riverine Flooding leads Expected Annual Loss at about $20.0M. FEMA's risk score and dollar-loss model use different inputs, so the leaders often differ.
What was the worst year for disasters in Washington County?
The most active year for disaster declarations in Washington County was 1976, with 2 declarations. The county has FEMA disaster data spanning 1976 to 2026.
What is the FEMA National Risk Index score for Washington County?
According to the FEMA National Risk Index, Washington County, Wisconsin has an overall risk score of 68.3 out of 100 (Relatively Low). Social vulnerability here rates Very Low, while community resilience comes in at Very High. The Expected Annual Loss (EAL) score is Relatively Low, representing $48.4M in annualized losses.
Which natural hazard poses the greatest risk to Washington County?
Based on FEMA NRI data, the highest-risk natural hazard in Washington County is Cold Wave (risk rating: Relatively High). Other significant hazards include Hail (Relatively Moderate) and Tornado (Relatively Moderate). FEMA's modeled event frequency puts cold wave here at an average of 5.4 times per year, drawn from 103 historical events on record. 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.

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.

FEMA OpenFEMA declarations + NRI for Washington County · vintage 2026-08-25 · Methodology · Wisconsin profile · Verify with FEMA OpenFEMA · Verify with NOAA Storm Events