Enter any address in Kewaunee County, Wisconsin to see its FEMA flood zone
General riverine and inland flooding dominates the flood history of Kewaunee County, complemented by occasional lakeshore flooding. Over the last 30 years, the NOAA Storm Events Database recorded 17 general flood events and 2 lakeshore flood events. Record high lake levels on Lake Michigan drove ongoing isolated flooding near the lake in early 2020, including events in March and May of that year. A strong low pressure system combined with record high lake levels and gusty southeast winds also produced lakeshore flooding along Lake Michigan in January 2020.
National Flood Insurance Program records show claims across multiple zones, with the highest concentration in Zone A, which logged 12 claims averaging $14,366 per payout and an average recorded water depth of 3 inches. Zone X shaded recorded 3 claims with an average payout of $7,792 and an average recorded water depth of 52 inches. Unshaded Zone X and unknown zones recorded a combined 5 claims with average payouts of $0 to $2,000 and an average recorded water depth of 0 inches. Coastal property owners and residents located within Zone A and Zone X shaded should pay the closest attention to flood risks in the county.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
3 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Kewaunee County, Wisconsin has recorded 19 flood-related events since 1996 according to NOAA's Storm Events Database. The county has received 7 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1973–2020)
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 |
| Snow | Snowstorm | Dec 11, 2000 |
| Severe Storms, Tornadoes & Flooding | Severe Storm | Jun 22, 1990 |
| Drought | Drought | Jun 17, 1976 |
| Severe Storms & Flooding | Flood | Apr 27, 1973 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Lakeshore Flood | Jan 18, 2020 | 0.00K |
| Flood | Sep 1, 2020 | 0.00K |
| Flood | May 1, 2020 | 0.00K |
| Flood | Mar 1, 2020 | 0.00K |
| Flood | Jun 1, 2020 | 0.00K |
| Flood | Jul 1, 2020 | 0.00K |
| Flood | Jan 1, 2020 | 0.00K |
| Flood | Feb 1, 2020 | 0.00K |
| Flood | Aug 1, 2020 | 0.00K |
| Flood | Apr 1, 2020 | 0.00K |
Lakeshore Flood — Jan 18, 2020
A strong low pressure system tracked from the central Plains through the western Great Lakes region, bringing 8 to 12 inches to portions of central and northeast Wisconsin. The snow fell in two rounds, the first Friday evening with gusty southeast winds and the second early Saturday morning.||The strong southeast winds and record high lake levels also caused some flooding along Lake Michigan Sa...
Flood — Sep 1, 2020
Elevated lake levels on Lake Michigan caused some isolated flooded areas near the lake on an ongoing basis.
Flood — May 1, 2020
Record high lake levels on Lake Michigan caused some isolated flooded areas near the lake on an ongoing basis.
Flood — Mar 1, 2020
Record high lake levels on Lake Michigan caused some isolated flooded areas near the lake on an ongoing basis.
Flood — Jun 1, 2020
Record high lake levels on Lake Michigan caused some isolated flooded areas near the lake on an ongoing basis.
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 Kewaunee 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 Kewaunee County, Wisconsin that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with a mortgage from a federally regulated or insured lender, or a federally backed loan, 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.