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Natural hazards · Dexter

Dexter, MN natural hazards

Most of the natural-hazard damage FEMA expects in Dexter comes from inland flooding, and overall the risk is high 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 Dexter?

60
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Dexter to be higher than in 60% of U.S. communities, mostly from inland flooding and drought.

Inland flooding50%Drought18%Tornadoes12%Hail8%Cold waves6%Everything else6%
By hazard

What Dexter faces

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

Inland flooding

50% of expected damage
Above average · higher than 73% of U.S. places
Recorded about 2 times a year in the area

Drought

18% of expected damage
Recorded about 16 times a year in the area

Tornadoes

12% of expected damage
Well above average · higher than 93% of U.S. places
Recorded about once every 9 years in the area

Hail

8% of expected damage
Well above average · higher than 86% of U.S. places
Recorded about 5 times a year in the area

Cold waves

6% of expected damage
Above average · higher than 66% of U.S. places
Recorded about 10 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 Dexter flood?

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

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

3 federal disasters brought FEMA money here

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

Brought FEMA money into DexterDeclared for Mower County only
2024

Severe Storms and Flooding

2 households applied for aid $7K aid approved
2008

Severe Storms and Flooding

$2K to the City of Dexter for repairs
2004

Severe Storms and Flooding

2 households applied for aid $2K aid approved
Mower County has had 14 natural disasters declared since 1953, most often severe storms and floods.
Around Dexter

Dexter and the towns around it

Dexter: High, mostly inland floodingMarshall: High, mostly inland floodingRed Rock: High, mostly inland floodingSargeant: High, mostly inland floodingGrand Meadow: Moderate, mostly inland floodingDexter: High, mostly inland flooding DexterDexter
Very lowLowModerateHighVery high
Dextermostly inland floodingHigh
Dextermostly inland floodingHigh
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. Dexter 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 Dexter’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Dexter. 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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