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Lake County, Minnesota Flood Zones

Check an Address in Lake County

Enter any address in Lake County, Minnesota to see its FEMA flood zone

The Flooding Character of Lake County

Flash flooding from thunderstorms is the dominant flood character in Lake County, MN. Between 1994 and 2024, the NOAA Storm Events Database recorded 15 flash flood events and 2 flood events. For example, on June 18, 2024, a stationary surface front and a moist airmass resulted in widespread flash flooding, prompting multiple Flash Flood Warnings, some with a "considerable" tag for life-threatening conditions.

NFIP claims data indicates that properties in Zone X_UNSHADED have experienced the most claims, with an average payout of $226,391. However, properties in Zone A have seen higher average water depths of 3.0 feet, despite fewer claims. Homeowners in Zone A, as well as those in Zone X_UNSHADED, should pay close attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Lake County

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

Read Minnesota flood stories →

Flood Risk Data for Lake County

Lake County, Minnesota 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 12 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Lake County Disaster History

FEMA Disaster Declarations (1972–2024)

Disaster Declarations
12
Flood/Coastal Disasters
5
Latest Disaster
Severe Storms And Flooding (2024-06-16)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Lake County

DeclarationTypeDate
Severe Storms And FloodingFloodJun 16, 2024
Severe Storms, Straight-line Winds, And FloodingFloodApr 22, 2022
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Tornadoes, Straight-line Winds, And FloodingFloodJun 15, 2018
Severe Storms And FloodingSevere StormJun 14, 2012
Severe Storms And FloodingSevere StormMar 16, 2009
Hurricane Katrina EvacuationHurricaneAug 29, 2005
Severe Winter Storms, Flooding, And TornadoesFloodMar 23, 2001
Severe Storms, Winds, And FloodingSevere StormJul 4, 1999

Recorded Flood Events in Lake County

NOAA Storm Events Database (1996–2025)

Total Flood Events
17
River/Area Floods
2
Flash Floods
15
Total Property Damage
$2.1M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Lake County

TypeDateDamage
Flash FloodJun 18, 20240.00K
FloodJun 18, 202430.00K
Flash FloodMay 13, 20220.00K
Flash FloodJun 17, 20180.00K
Flash FloodAug 10, 20160.00K
Flash FloodJun 19, 2012191.00K
Flash FloodJun 19, 20121.90M
Flash FloodJun 6, 20080.00K
FloodOct 18, 20070.00K
Flash FloodJul 5, 1999

Lake County Flood History

Flash Flood — Jun 18, 2024

On Tuesday, June 18, 2024, a stationary surface front, in conjunction with an anomalously moist airmass over the Northland, resulting in widespread flash flooding. NWS Duluth issued seven Flash Flood Warnings (across much of NE MN and the Bayfield Peninsula), three of which were upgraded to include a considerable tag for life threatening flash flooding. Additionally, severe thunderstorms occurr...

Flood — Jun 18, 2024

On Tuesday, June 18, 2024, a stationary surface front, in conjunction with an anomalously moist airmass over the Northland, resulting in widespread flash flooding. NWS Duluth issued seven Flash Flood Warnings (across much of NE MN and the Bayfield Peninsula), three of which were upgraded to include a considerable tag for life threatening flash flooding. Additionally, severe thunderstorms occurr...

Flash Flood — May 13, 2022

A low pressure system moved northward from the Central Plains to the Northern Plains on May 12th and lifted a warm front across the Northland bringing two rounds of storms to the region. The first round during the afternoon hours were prolific hail producing storms with the largest hail stones being ping pong ball sized. Another round of storms arrived during the early evening hours and contain...

Flash Flood — Jun 17, 2018

The third and final day of a three day severe weather event across the Northland. A stalled out frontal system finally made a push across the area leading to another round of severe storms and heavy rainfall over areas that had seen dramatic flash flooding the previous night. Widespread rainfall amounts of 1-2 inches plus over northeastern Minnesota and northwestern Wisconsin sent already swoll...

Flash Flood — Aug 10, 2016

Thunderstorms brought heavy rain to parts of the Minnesota North Shore the evening of August 10th. There was flooding over Highway 61 near Silver Bay, MN. There were reports of total rainfall ranging from about 2 to around 6.5 near the Silver Bay area.

Source: NOAA National Weather Service Storm Events Database.

Lake County NFIP Flood Insurance Claims

Total Claims Filed
8
Total Paid Out
$937,480
Avg Claim
$156,246
Avg Water Depth
3.0 ft

Claims by Flood Zone

A Zones (High Risk)
2
X Unshaded (Low)
4

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

Flood Zone Types in Lake County

FEMA assigns flood zone designations to areas in Lake County, Minnesota:

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 Lake County

Properties in Lake County, Minnesota 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.