Enter any address in Keweenaw County, Michigan to see its FEMA flood zone
6 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Keweenaw County, Michigan has recorded 8 flood-related events since 1996 according to NOAA's Storm Events Database, including 1 flash floods and 4 river or area floods. The county has received 5 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 (1978–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Flooding | Flood | Apr 16, 2013 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Blizzards & Snowstorms | Snowstorm | Jan 27, 1978 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Lakeshore Flood | Dec 29, 2025 | 0.00K |
| Flood | Apr 22, 2023 | 1.00M |
| Lakeshore Flood | Nov 27, 2019 | 100.00K |
| Lakeshore Flood | Sep 10, 2014 | 2.00K |
| Flood | Apr 28, 2013 | 72.00K |
| Flood | May 11, 2006 | 60K |
| Flash Flood | Jun 23, 2005 | — |
| Flood | May 11, 2003 | — |
Lakeshore Flood — Dec 29, 2025
A surface low pressure rapidly deepened 22 mb in 24 hours as it tracked northeastward from the mid-Mississippi Valley to Chicago to the Georgian Bay, bringing blizzard conditions to the UP on the 28th and 29th. Rain turned to snow during the afternoon and evening of the 28th with a few inches of heavy, wet snow developing and sticking to trees. As the low moved east, cold air quickly rushed in ...
Flood — Apr 22, 2023
Highway M-26 was closed on the evening of the 22nd due to the collapse of a retaining wall at the Silver River Bridge located between Eagle Harbor and Copper Harbor in Keweenaw County. The bridge's already compromised stone retaining wall eroded due to the heavy runoff from spring snow melt forcing the closure of Highway M-26. MDOT will be working on a $2.9 million project to remove and repla...
Lakeshore Flood — Nov 27, 2019
A deepening storm system tracking from the Central Plains across northern Lower Michigan snarled holiday traffic by dumping moderate to heavy snow across much of west and north central Upper Michigan on the 27th, the day before Thanksgiving. The dense heavy snow combined with strong northeast to east winds gusting from 35 mph to more than 50 mph at times to cause downed trees and power poles a...
Lakeshore Flood — Sep 10, 2014
Heavy rain developing along a cold front tracked west to east across Upper Michigan on the 10th. Strong north winds behind the front caused coastal flooding and erosion along the Lake Superior over portions of west and north central Upper Michigan from the 10th into the 11th. The strong winds also caused a brief power outage and downed a couple of trees in Eagle Harbor.
Flood — Apr 28, 2013
Late season melting of significant snow pack caused minor to moderate flooding across west and north central Upper Michigan from the 28th into 30th. Gogebic County was hardest hit by the flooding where numerous primary and secondary roads were closed. Snow melt flooding also impacted Ontonagon, Houghton, Keweenaw, Baraga and Marquette counties.
Source: NOAA National Weather Service Storm Events Database.
FEMA assigns flood zone designations to areas in Keweenaw County, Michigan:
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 Keweenaw County, Michigan 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.