Enter any address in Redwood County, Minnesota to see its FEMA flood zone
River overflow and flash flooding are the primary flood concerns in Redwood County. Between 1996 and 2023, NOAA data recorded 18 flood events and 11 flash flood events, resulting in one death. For example, a flood event in March 2019 was attributed to a severe spring melt from above-average snowpack. More recently, a flash flood in August 2025 was caused by 5-10 inches of rain over 72 hours, leading to flooded roadways and damaged buildings.
NFIP claims data indicates that properties in Zone A, which typically have a Base Flood Elevation (BFE) that is not yet determined, have experienced flooding. These claims averaged a water depth of -1.5 feet and an average payout of $27,227. Homeowners and real estate agents with properties located near rivers, such as the Redwood River, or in areas designated as Zone A, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
9 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Redwood County, Minnesota has recorded 29 flood-related events since 1996 according to NOAA's Storm Events Database, including 11 flash floods and 18 river or area floods. The county has received 21 federal disaster declarations, 11 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms And Flooding | Flood | Jun 16, 2024 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | May 8, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Winter Storm, Straight-line Winds, And Flooding | Flood | Mar 12, 2019 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Flood | Jun 15, 2018 |
| Severe Storms, Straight-line Winds, Flooding, Landslides, And Mudslides | Flood | Jun 11, 2014 |
| Severe Storms, Flooding, And Tornadoes | Severe Storm | Jul 1, 2011 |
| Severe Storms And Flooding | Flood | Mar 16, 2011 |
| Severe Storms And Flooding | Severe Storm | Sep 22, 2010 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Aug 17, 2025 | 0.00K |
| Flood | Apr 11, 2023 | 1.30M |
| Flood | Mar 17, 2019 | 0.00K |
| Flood | Sep 15, 2019 | 0.00K (1 deaths) |
| Flood | Jul 3, 2018 | 0.00K |
| Flash Flood | Jul 3, 2018 | 500.00K |
| Flash Flood | Aug 17, 2017 | 350.00K |
| Flash Flood | Jun 18, 2014 | 0.00K |
| Flood | Jun 18, 2014 | 0.00K |
| Flood | Mar 25, 2011 | 0.00K |
Flash Flood — Aug 17, 2025
Several individual rounds of thunderstorms impacted southern Minnesota from Friday, August 16th through Sunday, August 18th. Heavy rain amounts on the order of 5-10 inches fell over the course of 72 hours, most of which fell from late Saturday into early Sunday, leading to several cases of flooded roadways and damaged buildings. The highest amounts and most widespread impacts were across Waseca...
Flood — Apr 11, 2023
A near-record snowfall season across Minnesota and Wisconsin led to a snowpack with snow-water-equivilent (SWE) values of 4 to 6 inches across much of the region by mid-March. Below normal temperatures for the first of of spring kept much of the snowpack in tact until the end of the month when it started to melt.||The melt accelerated in early April. On April 08, highs were in the 60s across th...
Flood — Mar 17, 2019
There were many factors that led to a severe Spring flood melt along the Minnesota and Mississippi Rivers and several of their tributaries during the last two weeks of March. The first factor was above average snowpack, especially over the Minnesota River Valley for mid March. Additionally, the added effect of a cold late Winter kept this snowpack deeper into the early Spring. Once temperatures...
Flood — Sep 15, 2019
During the afternoon of Sunday, Sept. 15th, the local police department reported that an individual had disappeared in the Redwood River near the 100 block of West Bridge Street. Several juveniles had been swimming in the river when they reported one in the group, had been caught in the current and swept away. This river was above flood stage and had a river flood warning for the Redwood River.
Flood — Jul 3, 2018
During the overnight hours of Tuesday, July 3rd, a persistent line of storms, with rainfall rates of 1 to 2 inches per hour, moved very little from Marshall to Redwood Falls, Olivia, then southward to Tracy, Lamberton, and Springfield, Minnesota. The heaviest rainfall held over the Redwood, and Cottonwood river basin for several hours. Several of the flash flooding parameters, including flash f...
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 Redwood 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.
Properties in Redwood 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.