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Marquette County, Wisconsin Flood Zones

Check an Address in Marquette County

Enter any address in Marquette County, Wisconsin to see its FEMA flood zone

Read First-Hand Flood Stories from Marquette County

10 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

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Flood Risk Data for Marquette County

Marquette County, Wisconsin has recorded 12 flood-related events since 1996 according to NOAA's Storm Events Database, including 4 flash floods and 8 river or area floods. The county has received 9 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Marquette County Disaster History

FEMA Disaster Declarations (1973–2020)

Disaster Declarations
9
Flood/Coastal Disasters
2
Latest Disaster
Covid-19 (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Marquette County

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Tornadoes, Straight-line Winds, Flooding, And LandslidesFloodAug 17, 2018
Severe Storms, Tornadoes, And FloodingSevere StormJun 5, 2008
Hurricane Katrina EvacuationHurricaneAug 29, 2005
Severe Storms And FloodingSevere StormMay 7, 2004
Severe Storms, Tornadoes & FloodingSevere StormJun 7, 1993
DroughtDroughtJun 17, 1976
Severe Storms & FloodingFloodApr 27, 1973

Recorded Flood Events in Marquette County

NOAA Storm Events Database (1996–2025)

Total Flood Events
12
River/Area Floods
8
Flash Floods
4
Total Property Damage
$24.3M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Marquette County

TypeDateDamage
FloodAug 29, 20182.00M
FloodAug 29, 20181.00K
FloodSep 4, 20185.00K
FloodSep 1, 20182.00K
FloodSep 24, 20160.00K
Flash FloodJun 7, 20088.75M
Flash FloodJul 3, 200750.00K
Flash FloodMay 23, 200450K
FloodJun 1, 20041.2M
Flash FloodJun 22, 200210K

Marquette County Flood History

Flood — Aug 29, 2018

A line of severe thunderstorms produced widespread wind damage and 18 brief tornadoes across mainly Marquette, Green Lake, Fond du Lac, northern Dodge, and Sheboygan Counties. Flash flooding and river flooding also occurred in several of these areas, especially the Baraboo River in northern Sauk County. The Baraboo River reached major to record flood stage late August into September after 10 to...

Flood — Sep 4, 2018

River flooding was prevalent across southern WI during the month of September after receiving 12 to 20 inches of rain from August 16th to September 5th. Additional rains throughout the remainder of the month prolonged the flooding. Moderate to major flood stage was reached on the Baraboo and Fox Rivers of central WI, and the Rock River in Jefferson and Rock Counties. Flooding continued into ear...

Flood — Sep 1, 2018

River flooding was prevalent across southern WI during the month of September after receiving 12 to 20 inches of rain from August 16th to September 5th. Additional rains throughout the remainder of the month prolonged the flooding. Moderate to major flood stage was reached on the Baraboo and Fox Rivers of central WI, and the Rock River in Jefferson and Rock Counties. Flooding continued into ear...

Flood — Sep 24, 2016

Repeated rounds of strong thunderstorms with heavy rainfall produced several inches of rain in the Baraboo River Basin and surrounding areas on September 21-22. Moderate flooding occurred along the Baraboo River from La Valle to Reedsburg to Rock Springs. A State of Emergency was declared for Sauk County on September 22nd.

Flash Flood — Jun 7, 2008

A slow-moving surface boundary, nearly parallel with the mid-level flow affected southern Wisconsin during the period of June 7th through June 9th. A strengthening low-level jet and strong moisture advection produced several rounds of thunderstorms during the period in the vicinity of this boundary. The atmosphere was very moist with precipitable water values around 2 inches. Low to mid-lev...

Source: NOAA National Weather Service Storm Events Database.

Marquette County NFIP Flood Insurance Claims

Total Claims Filed
25
Total Paid Out
$295,944
Avg Claim
$16,441
Avg Water Depth
3.9 ft

Claims by Flood Zone

A Zones (High Risk)
17

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Marquette County

FEMA assigns flood zone designations to areas in Marquette County, Wisconsin:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Marquette County

Properties in Marquette County, Wisconsin that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.