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Natural hazards · Dimock

Dimock, SD natural hazards

Most of the natural-hazard damage FEMA expects in Dimock comes from inland flooding, and overall the risk is moderate for a U.S. community. 3 federal disasters brought FEMA money into town.

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

How exposed is Dimock?

54
Moderate
vs. U.S. communities

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

Inland flooding32%Drought23%Cold waves17%Tornadoes15%Everything else13%
By hazard

What Dimock faces

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

Inland flooding

32% of expected damage
Above average · higher than 60% of U.S. places
Recorded about 3 times a year in the area

Drought

23% of expected damage
Recorded about 11 times a year in the area

Cold waves

17% of expected damage
Above average · higher than 63% of U.S. places
Recorded about 7 times a year in the area

Tornadoes

15% of expected damage
Well above average · higher than 98% of U.S. places
Recorded about once every 12 years in the area

Lower here

HailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightning

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 Dimock flood?

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

of homes in flood zones
are insured
of all homes
are insured
No community discount. Dimock isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Hutchinson County.
Disasters that hit Dimock

3 federal disasters brought FEMA money here

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

Brought FEMA money into DimockDeclared for Hutchinson County only
2019

Severe Storms, Tornadoes, and Flooding

5 households applied for aid $6K aid approved
2019

Severe Winter Storm, Snowstorm, and Flooding

4 households applied for aid $2K aid approved
2007

Severe Storms, Tornadoes, and Flooding

1 household applied for aid
Hutchinson County has had 22 natural disasters declared since 1953, most often floods and severe storms.
Around Dimock

Dimock and the towns around it

Cross Plains: Moderate, mostly inland floodingStarr: Moderate, mostly inland floodingFoster: Moderate, mostly droughtLiberty: Low, mostly droughtDimock: Moderate, mostly inland flooding DimockCross Plains
Very lowLowModerateHighVery high
Dimockmostly inland floodingModerate
Cross Plainsmostly inland floodingModerate
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. Dimock 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 Dimock’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Dimock. 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/18 · 2025-01-01
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