Natural hazards · Perth

Perth, ND natural hazards

Most of the natural-hazard damage FEMA expects in Perth comes from cold waves, and overall the risk is low for a U.S. community.

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

Expected damage

How exposed is Perth?

Low

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Perth to be higher than in 23% of U.S. communities, mostly from cold waves and inland flooding.

Cold waves26%Inland flooding25%Wildfire13%Tornadoes10%Hail10%Ice storms7%Everything else9%

By hazard

What Perth faces

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

Cold waves

26% of expected damage

Well above average · higher than 76% of U.S. places

Recorded about 24 times a year in the area

Inland flooding

25% of expected damage

Well below average · higher than 4% of U.S. places

Recorded about 2 times a year in the area

Wildfire

13% of expected damage

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

Tornadoes

10% of expected damage

Well above average · higher than 80% of U.S. places

Recorded about once every 3 years in the area

Hail

10% of expected damage

Well above average · higher than 87% of U.S. places

Recorded about 3 times a year in the area

Ice storms

7% of expected damage

Well above average · higher than 97% of U.S. places

Recorded about once every 2 years in the area

Lower here

Winter weatherHeat wavesEarthquakesLandslidesStrong windLightningDrought

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 Perth flood?

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

of homes in flood zones
are insured

of all homes
are insured

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

Insurance rates: Walsh County.

Disasters that hit Perth

Federal disasters declared here

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

Brought FEMA money into PerthDeclared for Walsh County only

Walsh County has had 34 natural disasters declared since 1953, most often floods and severe storms.

Around Perth

Perth and the towns around it

Very lowLowModerateHighVery high

Sarniamostly cold wavesModerate

Perthmostly cold wavesLow

Clevelandmostly cold wavesLow

Sautermostly cold wavesLow

Latonamostly cold wavesLow

Nortonmostly cold wavesLow

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