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Natural hazards · Greendale

Greendale, WI natural hazards

Most of the natural-hazard damage FEMA expects in Greendale comes from cold waves, and overall the risk is very low for a U.S. community. Flood insurance has paid 6 claims here since 1997. 8 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Greendale?

11
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Greendale to be higher than in 11% of U.S. communities, mostly from cold waves and inland flooding.

Cold waves52%Inland flooding28%Tornadoes11%Heat waves7%Everything else2%
By hazard

What Greendale faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Cold waves

52% of expected damage
Below average · higher than 40% of U.S. places
Recorded about 5 times a year in the area

Inland flooding

28% of expected damage
Below average · higher than 28% of U.S. places
Recorded about 2 times a year in the area

Tornadoes

11% of expected damage
Above average · higher than 65% of U.S. places

Heat waves

7% of expected damage
Above average · higher than 56% of U.S. places
Recorded about 3 times a year in the area

Lower here

HurricanesHailIce stormsWinter weatherWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Greendale flood?

Every paid claim on a federal flood insurance policy in Greendale, from FEMA’s records.

6paid claims since 1997
$93Kpaid to owners
0homes flooded more than once
19972026

Biggest named events

  • 2025-08-MilwaukeeMetro-Flood: 2 claims, $67K
  • Storm: 1 claim, $2K
of homes in flood zones
are insured
of all homes
are insured
No community discount. Greendale isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Milwaukee County.
Disasters that hit Greendale

8 federal disasters brought FEMA money here

Disasters the President declared that paid out in Greendale itself: aid to households, or repair grants to the Village of Greendale.

Brought FEMA money into GreendaleDeclared for Milwaukee County only
2026

Severe Storms, Tornadoes, and Flooding

16 households applied for aid $46K aid approved
2025

Severe Storms, Straight-Line Winds, Flooding, and Mudslides

174 households applied for aid $921K aid approved
2011

Severe Winter Storm and Snowstorm

$49K to the Village of Greendale for repairs
2010

Severe Storms, Tornadoes, and Flooding

11 households applied for aid $46K aid approved $16K to the Village of Greendale for repairs
2008

Severe Storms, Tornadoes, and Flooding

135 households applied for aid $297K aid approved $159K to the Village of Greendale for repairs
2008

Record Snow and Near Record Snow

$31K to the Village of Greendale for repairs
2000

Snow

$17K to the Village of Greendale for repairs
2000

Severe Storms, Tornadoes, and Flooding

$30K to the Village of Greendale for repairs
Milwaukee County has had 20 natural disasters declared since 1953, most often floods and severe storms.
Around Greendale

Greendale and the towns around it

Greenfield: Very low, mostly cold wavesFranklin: Very low, mostly cold wavesHales Corners: Very low, mostly cold wavesMilwaukee: Low, mostly cold wavesWest Allis: Very low, mostly cold wavesNew Berlin: Very low, mostly inland floodingMuskego: Low, mostly inland floodingOak Creek: Very low, mostly cold wavesRaymond: Very low, mostly inland floodingGreendale: Very low, mostly cold waves GreendaleGreenfieldFranklinHales Corners
Very lowLowModerateHighVery high
Greendalemostly cold wavesVery low
Greenfieldmostly cold wavesVery low
Hales Cornersmostly cold wavesVery low
Franklinmostly cold wavesVery low
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Greendale covers 3 census tracts, combined by population.
Money that reached townFlood claims are matched to Greendale’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Village of Greendale. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Greendale total about $5.4M a year, counting buildings, people and crops.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01
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