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Natural hazards · Mukwonago

Mukwonago, WI natural hazards

Most of the natural-hazard damage FEMA expects in Mukwonago comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 1 claim here since 2008. 6 federal disasters brought FEMA money into town.

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

How exposed is Mukwonago?

22
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Mukwonago to be higher than in 22% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding47%Cold waves23%Tornadoes19%Hail5%Everything else7%
By hazard

What Mukwonago faces

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

Inland flooding

47% of expected damage
Below average · higher than 37% of U.S. places
Recorded about 2 times a year in the area

Cold waves

23% of expected damage
Below average · higher than 33% of U.S. places
Recorded about 5 times a year in the area

Tornadoes

19% of expected damage
Above average · higher than 74% of U.S. places

Hail

5% of expected damage
Well above average · higher than 85% of U.S. places
Recorded about 4 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 Mukwonago flood?

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

1paid claims since 2008
$5Kpaid to owners
0homes flooded more than once
20082026
of homes in flood zones
are insured
of all homes
are insured
No community discount. Mukwonago isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Waukesha County.
Disasters that hit Mukwonago

6 federal disasters brought FEMA money here

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

Brought FEMA money into MukwonagoDeclared for Waukesha County only
2026

Severe Storms, Tornadoes, and Flooding

4 households applied for aid $9K aid approved
2025

Severe Storms, Straight-Line Winds, Flooding, and Mudslides

3 households applied for aid $4K aid approved
2008

Severe Storms, Tornadoes, and Flooding

64 households applied for aid $90K aid approved $7K to the Village of Mukwonago for repairs
2008

Record Snow and Near Record Snow

$11K to the Village of Mukwonago for repairs
2004

Severe Storms and Flooding

2 households applied for aid $3K aid approved
2000

Snow

$6K to the Village of Mukwonago for repairs
Waukesha County has had 17 natural disasters declared since 1953, most often floods and severe storms.
Around Mukwonago

Mukwonago and the towns around it

Mukwonago: Low, mostly inland floodingVernon: Low, mostly inland floodingEast Troy: Low, mostly inland floodingNorth Prairie: Low, mostly inland floodingGenesee: Low, mostly inland floodingEagle: Low, mostly inland floodingWaukesha: Low, mostly inland floodingTroy: Low, mostly inland floodingBig Bend: Low, mostly inland floodingMuskego: Low, mostly inland floodingWaterford: Moderate, mostly inland floodingNew Berlin: Very low, mostly inland floodingEast Troy: Low, mostly inland floodingSpring Prairie: Low, mostly inland floodingLafayette: Low, mostly inland floodingMukwonago: Low, mostly inland flooding MukwonagoMukwonagoVernonEast Troy
Very lowLowModerateHighVery high
Mukwonagomostly inland floodingLow
Vernonmostly inland floodingLow
East Troymostly inland floodingLow
Mukwonagomostly 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. Mukwonago covers 2 census tracts, combined by population.
Money that reached townFlood claims are matched to Mukwonago’s own flood-insurance community (here, the census tracts inside it); household aid to the registrant’s city; repair grants to the Village of Mukwonago. 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 Mukwonago total about $3.0M 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/18 · 2025-01-01
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