FloodZoneMap.org

Mower County, Minnesota Flood Zones

Check an Address in Mower County

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

The Flooding Character of Mower County

River overflow along the Cedar River and its tributaries is the dominant flood character in Mower County. In August 2025, heavy rains caused minor river flooding along the Cedar River and on Turtle and Dobbins Creeks. Later that month, repeated rainfall pushed the Cedar River at Lansing to minor flood stage.

The National Flood Insurance Program has recorded 510 claims in Zone A, with an average payout of $15,934 and an average water depth of 3.4 feet. Zone X, which includes X_SHADED and X_UNSHADED, has seen 46 claims. Properties in Zone A and Zone X_UNSHADED, which experienced higher average water depths and payouts, may warrant the most attention.

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

Read First-Hand Flood Stories from Mower County

39 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 Mower County

Mower County, Minnesota has recorded 85 flood-related events since 1996 according to NOAA's Storm Events Database, including 33 flash floods and 52 river or area floods. The county has received 16 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Mower County Disaster History

FEMA Disaster Declarations (1965–2024)

Disaster Declarations
16
Flood/Coastal Disasters
4
Latest Disaster
Severe Storms And Flooding (2024-06-16)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Mower County

DeclarationTypeDate
Severe Storms And FloodingFloodJun 16, 2024
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storm, Straight-line Winds, And FloodingFloodMar 12, 2019
Severe Storms And FloodingSevere StormSep 22, 2010
Severe Storms And FloodingSevere StormJun 6, 2008
Hurricane Katrina EvacuationHurricaneAug 29, 2005
Severe Storms And FloodingSevere StormSep 14, 2004
Severe Winter Storms, Flooding, And TornadoesFloodMar 23, 2001
Severe Storms And FloodingSevere StormMay 17, 2000

Recorded Flood Events in Mower County

NOAA Storm Events Database (1996–2025)

Total Flood Events
85
River/Area Floods
52
Flash Floods
33
Total Property Damage
$8.9M
Flood Deaths
1

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Mower County

TypeDateDamage
FloodJun 26, 20250.00K
FloodAug 18, 20250.00K
FloodAug 17, 20250.00K
FloodJun 16, 20250.00K
Flash FloodJun 22, 202420.00K
FloodJun 22, 2024150.00K
FloodJun 22, 20240.00K
Flash FloodJun 22, 202410.00K
Flash FloodJun 22, 20240.00K
Flash FloodJul 24, 20223.00K

Mower County Flood History

Flood — Jun 26, 2025

Repeated rounds of heavy rainfall through the end of June resulted in the Cedar River at Lansing to reaching minor flood stage.

Flood — Aug 18, 2025

Heavy rain during the middle of August resulted in minor river flooding along the Cedar River and on both Turtle and Dobbins Creeks.

Flood — Aug 17, 2025

Heavy rain during the middle of August resulted in minor river flooding along the Cedar River and on both Turtle and Dobbins Creeks.

Flood — Jun 16, 2025

Repeated rounds of heavy rainfall through the middle of June resulted in the Cedar River at Lansing reaching minor flood stage.

Flash Flood — Jun 22, 2024

During the early morning hours on June 22nd, a slow moving line of thunderstorms produced flooding resulting in several road closures. Most notably Interstate 90 was closed in Mower County due to water over the road.

Source: NOAA National Weather Service Storm Events Database.

Mower County NFIP Flood Insurance Claims

Total Claims Filed
596
Total Paid Out
$9.3M
Avg Claim
$17,087
Avg Water Depth
12.2 ft

Claims by Flood Zone

A Zones (High Risk)
510
X Shaded (500-yr)
19
X Unshaded (Low)
11

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

Flood Zone Types in Mower County

FEMA assigns flood zone designations to areas in Mower 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 Mower County

Properties in Mower 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.