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Natural hazards · Treynor

Treynor, IA natural hazards

Most of the natural-hazard damage FEMA expects in Treynor comes from inland flooding, and overall the risk is moderate for a U.S. community. 7 federal disasters brought FEMA money into town.

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

How exposed is Treynor?

58
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Treynor to be higher than in 58% of U.S. communities, mostly from inland flooding and tornadoes.

Inland flooding32%Tornadoes24%Drought12%Hail11%Cold waves8%Strong wind7%Everything else6%
By hazard

What Treynor 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 58% of U.S. places
Recorded about once a year in the area

Tornadoes

24% of expected damage
Well above average · among the top 1% of U.S. places
Recorded about once every 10 years in the area

Drought

12% of expected damage
Recorded about 12 times a year in the area

Hail

11% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about 7 times a year in the area

Cold waves

8% of expected damage
Above average · higher than 73% of U.S. places
Recorded about 5 times a year in the area

Strong wind

7% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about 5 times a year in the area

Lower here

Ice stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesLightning

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 Treynor flood?

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

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

7 federal disasters brought FEMA money here

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

Brought FEMA money into TreynorDeclared for Pottawattamie County only
2024

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

1 household applied for aid
2019

Severe Storms and Flooding

1 household applied for aid $4K aid approved
2014

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

$5K to the City of Treynor for repairs
2009

Severe Winter Storms and Snowstorm

$4K to the City of Treynor for repairs
2007

Severe Storms, Flooding, and Tornadoes

1 household applied for aid $200 aid approved
2001

Severe Storms, Tornadoes and Flooding

$750 to the City of Treynor for repairs
1999

Severe Storms and Flooding

$9K to the City of Treynor for repairs
Pottawattamie County has had 24 natural disasters declared since 1953, most often severe storms and floods.
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. Treynor 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 Treynor’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Treynor. 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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