Natural hazards · Jamesville

Jamesville, SD natural hazards

Most of the natural-hazard damage FEMA expects in Jamesville comes from inland flooding, and overall the risk is high for a U.S. community.

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

Expected damage

How exposed is Jamesville?

High

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Jamesville to be higher than in 66% of U.S. communities, mostly from inland flooding and drought.

Inland flooding29%Drought28%Tornadoes15%Hail10%Cold waves9%Everything else10%

By hazard

What Jamesville faces

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

Inland flooding

29% of expected damage

Above average · higher than 71% of U.S. places

Recorded about 2 times a year in the area

Drought

28% of expected damage

Recorded about 25 times a year in the area

Tornadoes

15% of expected damage

Well above average · among the top 1% of U.S. places

Recorded about once every 3 years in the area

Hail

10% of expected damage

Well above average · higher than 85% of U.S. places

Recorded about 6 times a year in the area

Cold waves

9% of expected damage

Above average · higher than 63% of U.S. places

Recorded about 6 times a year in the area

Lower here

Ice 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 Jamesville flood?

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

of homes in flood zones
are insured

of all homes
are insured

No community discount. Jamesville isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Yankton County.

Disasters that hit Jamesville

Federal disasters declared here

None of the disasters declared for Yankton County shows FEMA aid or repair money reaching Jamesville itself in FEMA’s records.

Brought FEMA money into JamesvilleDeclared for Yankton County only

Yankton County has had 14 natural disasters declared since 1953, most often floods and severe storms.

Around Jamesville

Jamesville and the towns around it

Very lowLowModerateHighVery high

Jamesvillemostly inland floodingHigh

Mayfieldmostly inland floodingHigh

Molanmostly droughtModerate

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. Jamesville 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 Jamesville’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Jamesville. 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.