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Natural hazards · Excelsior

Excelsior, WI natural hazards

Most of the natural-hazard damage FEMA expects in Excelsior 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 Excelsior?

68
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Excelsior to be higher than in 68% of U.S. communities, mostly from inland flooding.

Inland flooding63%Cold waves15%Tornadoes10%Hail6%Everything else6%
By hazard

What Excelsior faces

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

Inland flooding

63% of expected damage
Well above average · higher than 84% of U.S. places
Recorded about 2 times a year in the area

Cold waves

15% of expected damage
Below average · higher than 35% of U.S. places
Recorded about 6 times a year in the area

Tornadoes

10% of expected damage
Well above average · higher than 75% of U.S. places
Recorded about once every 16 years in the area

Hail

6% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about 3 times a year in the area

Lower here

HurricanesIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightningDrought

Not a risk here

Coastal floodingAvalanchesTsunamisVolcanic 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 Excelsior flood?

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

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

3 federal disasters brought FEMA money here

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

Brought FEMA money into ExcelsiorDeclared for Sauk County only
2008

Severe Storms, Tornadoes, and Flooding

$23K to the Town of Excelsior for repairs
2007

Severe Storms and Flooding

$4K to the Town of Excelsior for repairs
2000

Severe Storms, Tornadoes, and Flooding

$7K to the Town of Excelsior for repairs
Sauk County has had 13 natural disasters declared since 1953, most often severe storms and floods.
Around Excelsior

Excelsior and the towns around it

North Freedom: High, mostly inland floodingDellona: High, mostly inland floodingBaraboo: Low, mostly inland floodingDelton: Moderate, mostly inland floodingReedsburg: High, mostly inland floodingFreedom: Moderate, mostly inland floodingLyndon: Moderate, mostly inland floodingWinfield: High, mostly inland floodingBaraboo: Low, mostly inland floodingWest Baraboo: Low, mostly inland floodingSumpter: Very high, mostly inland floodingFairfield: Moderate, mostly inland floodingGreenfield: Moderate, mostly inland floodingMerrimac: Very high, mostly inland floodingLake Delton: Low, mostly inland floodingWisconsin Dells: Low, mostly inland floodingNewport: High, mostly hailReedsburg: Moderate, mostly inland floodingIronton: Moderate, mostly inland floodingWestfield: High, mostly inland floodingHoney Creek: Moderate, mostly inland floodingExcelsior: High, mostly inland flooding ExcelsiorNorth FreedomDellonaBarabooDeltonReedsburgFreedom
Very lowLowModerateHighVery high
Reedsburgmostly inland floodingHigh
Excelsiormostly inland floodingHigh
North Freedommostly inland floodingHigh
Dellonamostly inland floodingHigh
Freedommostly inland floodingModerate
Deltonmostly inland floodingModerate
Baraboomostly inland floodingLow
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. Excelsior 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 Excelsior’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Excelsior. 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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You’re in Excelsior, WISauk CountyView boundary

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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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