Enter any address in Dunn County, Wisconsin to see its FEMA flood zone
Flash flooding from thunderstorms dominates the flood character in Dunn County. Between 2013 and 2023, NOAA Storm Events data recorded 15 flash flood events and 2 flood events. Recent examples include flash flooding on June 28, 2020, caused by slow-moving thunderstorms, and localized flash flooding on May 31, 2016, from torrential rainfall.
NFIP claims data indicates that properties in Zone A have experienced flood damage, with an average payout of $8,558 and an average water depth of 1.2 feet. Homeowners and real estate agents should pay particular attention to properties located in or near floodplains, especially those in Zone A, as these areas have historically seen insured flood losses.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
8 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Dunn County, Wisconsin has recorded 17 flood-related events since 1996 according to NOAA's Storm Events Database, including 15 flash floods and 2 river or area floods. The county has received 13 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Storms, Tornadoes And Flooding | Tornado | Sep 2, 2002 |
| Severe Storms And Flooding | Severe Storm | Jun 21, 2002 |
| Flooding, Severe Storms And Tornadoes | Flood | Apr 10, 2001 |
| Severe Storms,straigh Line Winds, Tornadoes,rain,and Floodi | Severe Storm | Jun 18, 1998 |
| Severe Storms, Tornadoes & Flooding | Severe Storm | Jun 7, 1993 |
| Severe Storms & Flooding | Flood | Jul 24, 1980 |
| Drought | Drought | Jun 17, 1976 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 29, 2020 | 0.00K |
| Flood | Mar 15, 2019 | 0.00K |
| Flash Flood | May 31, 2016 | 0.00K |
| Flash Flood | Jul 6, 2015 | 0.00K |
| Flash Flood | Sep 2, 2015 | 0.00K |
| Flash Flood | Jun 21, 2013 | 0.00K |
| Flash Flood | Aug 11, 2010 | 0.00K |
| Flash Flood | Aug 14, 2009 | 250.00K |
| Flash Flood | Aug 8, 2009 | 0.00K |
| Flash Flood | Jun 7, 2005 | 5K |
Flash Flood — Jun 29, 2020
During the evening of Sunday, June 28th, a complex of thunderstorms that developed across Iowa previously, moved slowly northward across southern Minnesota and western Wisconsin before stalling Monday morning. During the onset of the heavier rainfall, a few storms caused wind damage near Tainter Lake and Colfax, but most of the damage was minor with a few large tree limbs and power lines blown ...
Flood — Mar 15, 2019
There were many factors that led to a severe Spring flood melt along the Eau Claire and Chippewa Rivers and several of their tributaries during the last two weeks of March. The first factor was above average snowpack for mid March. Additionally, the added effect of a cold late Winter kept this snowpack deeper into the early Spring. Once temperatures warmed, and snow began to melt, a few storms ...
Flash Flood — May 31, 2016
A line of thunderstorms developed during the afternoon along a cold front that extended from west central Wisconsin, southeast into north central Iowa. By 3 PM CST, strong storms developed southeast of Elk Mound and moved northeast across Dunn and Chippewa counties of west central Wisconsin. Several bands of torrential rainfall led to localized flash flooding, plus a few storms caused damage in...
Flash Flood — Jul 6, 2015
The evening of Sunday, July 5th, a line of thunderstorms developed along a frontal boundary from west central to northeast Minnesota. By 2 to 3 am CST, numerous thunderstorms began to develop in east central Minnesota, ahead of the main line. As additional thunderstorms congealed with the main line, and deep moisture continued to surge toward western Wisconsin, the added effect of high precipi...
Flash Flood — Sep 2, 2015
Previous thunderstorms that moved across western Wisconsin during the morning hours of Wednesday, September 2nd, provided a boundary that fired off additional thunderstorms in west central Wisconsin during the early afternoon. These storms continued to develop in a small area that reformed west of Ridgeland in far northwest Dunn County, and drifted east-southeast across northern Dunn and wester...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Dunn 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.
Properties in Dunn 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.