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Natural hazards · Porter

Porter, MN natural hazards

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

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

How exposed is Porter?

54
Moderate
vs. U.S. communities

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

Inland flooding33%Heat waves28%Cold waves14%Tornadoes6%Drought6%Strong wind6%Everything else7%
By hazard

What Porter faces

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

Inland flooding

33% of expected damage
Above average · higher than 70% of U.S. places
Recorded about once every 2 years in the area

Heat waves

28% of expected damage
Well above average · higher than 98% of U.S. places
Recorded about 4 times a year in the area

Cold waves

14% of expected damage
Below average · higher than 33% of U.S. places
Recorded about 12 times a year in the area

Tornadoes

6% of expected damage
Well above average · higher than 81% of U.S. places
Recorded about once every 5 years in the area

Drought

6% of expected damage
Recorded about 9 times a year in the area

Strong wind

6% of expected damage
Well above average · higher than 98% of U.S. places
Recorded about 3 times a year in the area

Lower here

HailIce stormsWinter weatherWildfireEarthquakesLandslidesLightning

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 Porter flood?

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

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

Federal disasters declared here

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

Brought FEMA money into PorterDeclared for Yellow Medicine County only
Yellow Medicine County has had 19 natural disasters declared since 1953, most often severe storms and floods.
Around Porter

Porter and the towns around it

Wergeland: Moderate, mostly inland floodingAlta Vista: High, mostly inland floodingNorman: Moderate, mostly inland floodingBurton: Moderate, mostly inland floodingOshkosh: Moderate, mostly inland floodingLimestone: High, mostly inland floodingMarble: High, mostly inland floodingEidsvold: Moderate, mostly inland floodingPorter: Moderate, mostly inland flooding PorterWergelandAlta Vista
Very lowLowModerateHighVery high
Alta Vistamostly inland floodingHigh
Portermostly inland floodingModerate
Wergelandmostly 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. Porter 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 Porter’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Porter. 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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