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Natural hazards · Byron

Byron, MN natural hazards

Most of the natural-hazard damage FEMA expects in Byron comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 1 claim here since 2016. 2 federal disasters brought FEMA money into town.

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

How exposed is Byron?

44
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Byron to be higher than in 44% of U.S. communities, mostly from inland flooding and drought.

Inland flooding38%Drought20%Cold waves13%Strong wind11%Tornadoes11%Hail6%Everything else2%
By hazard

What Byron faces

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

Inland flooding

38% of expected damage
Above average · higher than 50% of U.S. places
Recorded about once every 2 years in the area

Drought

20% of expected damage
Recorded about 14 times a year in the area

Cold waves

13% of expected damage
Above average · higher than 63% of U.S. places
Recorded about 10 times a year in the area

Strong wind

11% of expected damage
Well above average · higher than 98% of U.S. places
Recorded about 4 times a year in the area

Tornadoes

11% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about once every 8 years in the area

Hail

6% of expected damage
Well above average · higher than 86% 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 Byron flood?

Every paid claim on a federal flood insurance policy in Byron, from FEMA’s records.

1paid claims since 2016
$170paid to owners
0homes flooded more than once
20162026
of all homes
are insured
No community discount. Byron isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Waseca County.
Disasters that hit Byron

2 federal disasters brought FEMA money here

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

Brought FEMA money into ByronDeclared for Waseca County only
2016

Severe Storms and Flooding

$10K to the Township of Byron for repairs
2010

Severe Storms and Flooding

$4K to the Township of Byron for repairs
Waseca County has had 12 natural disasters declared since 1953, most often floods and severe storms.
Around Byron

Byron and the towns around it

New Richland: Moderate, mostly inland floodingWilton: Moderate, mostly inland floodingVivian: Moderate, mostly inland floodingFreeborn: Moderate, mostly inland floodingBerlin: Moderate, mostly inland floodingHartland: Moderate, mostly inland floodingOtisco: Moderate, mostly inland floodingSt. Mary: Moderate, mostly inland floodingFreedom: Moderate, mostly inland floodingDunbar: Low, mostly inland floodingDanville: Low, mostly inland floodingWaldorf: Moderate, mostly inland floodingCarlston: Moderate, mostly inland floodingByron: Moderate, mostly inland flooding ByronNew RichlandWiltonVivianFreeborn
Very lowLowModerateHighVery high
Wiltonmostly inland floodingModerate
Byronmostly inland floodingModerate
New Richlandmostly inland floodingModerate
Vivianmostly inland floodingModerate
Freebornmostly 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. Byron covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Byron’s own flood-insurance community (here, the census tracts inside it); household aid to the registrant’s city; repair grants to the Township of Byron. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Byron total about $1.9M a year, counting buildings, people and crops.

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/15 · 2025-01-01
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