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Natural hazards · Moreau

Moreau, SD natural hazards

Most of the natural-hazard damage FEMA expects in Moreau comes from cold waves, and overall the risk is moderate for a U.S. community. 4 federal disasters brought FEMA money into town.

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

How exposed is Moreau?

54
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Moreau to be higher than in 54% of U.S. communities, mostly from cold waves and inland flooding.

Cold waves41%Inland flooding29%Wildfire7%Strong wind6%Hail6%Everything else10%
By hazard

What Moreau faces

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

Cold waves

41% of expected damage
Above average · higher than 65% of U.S. places
Recorded about 9 times a year in the area

Inland flooding

29% of expected damage
Above average · higher than 54% of U.S. places
Recorded about once a year in the area

Wildfire

7% of expected damage
Well above average · higher than 96% of U.S. places

Strong wind

6% of expected damage
Well above average · higher than 97% of U.S. places
Recorded about 2 times a year in the area

Hail

6% of expected damage
Well above average · higher than 89% of U.S. places
Recorded about 3 times a year in the area

Lower here

TornadoesIce stormsWinter weatherHeat wavesEarthquakesLandslidesLightningDrought

Not a risk here

Coastal floodingHurricanesAvalanchesTsunamisVolcanic 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 Moreau flood?

FEMA's records show no paid flood insurance claims in Moreau.

Disasters that hit Moreau

4 federal disasters brought FEMA money here

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

Brought FEMA money into MoreauDeclared for Perkins County only
2014

Severe Storms, Tornadoes, and Flooding

$7K to the Township of Moreau for repairs
2011

Flooding

$3K to the Township of Moreau for repairs
2010

Severe Storms, Tornadoes, and Flooding

$1K to the Township of Moreau for repairs
2009

Severe Storms and Flooding

$4K to the Township of Moreau for repairs
Perkins County has had 17 natural disasters declared since 1953, most often severe storms and floods.
Around Moreau

Moreau and the towns around it

Chaudoin: Moderate, mostly cold wavesEnglewood: Moderate, mostly cold wavesMartin: Moderate, mostly cold wavesChance: Moderate, mostly cold wavesAda: Moderate, mostly cold wavesFoster: Moderate, mostly cold wavesMeadow: Moderate, mostly cold wavesLone Tree: Moderate, mostly cold wavesMoreau: Moderate, mostly cold waves MoreauChaudoinEnglewoodMartinChance
Very lowLowModerateHighVery high
Moreaumostly cold wavesModerate
Chaudoinmostly cold wavesModerate
Englewoodmostly cold wavesModerate
Martinmostly cold wavesModerate
Chancemostly cold wavesModerate
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. Moreau is smaller than a census tract, so it shares the figures of the tract around its center.
Money that reached townFlood claims are matched to Moreau’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Moreau. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

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/15 · 2025-01-01
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