Enter any address in Anoka County, Minnesota to see its FEMA flood zone
Flash flooding from summer thunderstorms dominates Anoka County's flood events. Over the past 30 years, NOAA Storm Events data shows 17 recorded flash flood events, with two additional general flood events resulting in three fatalities. Recent examples include flash flooding in western and east central Minnesota on June 25, 2025, and widespread flash flooding and tree damage reported on July 23, 2016.
NFIP claims data indicates that properties in Zone A experienced 43 claims with an average payout of $4,502 and an average water depth of 2.8 feet. Properties in Zone X, however, saw fewer claims (15) but with a significantly higher average payout of $8,159 and an average water depth of 6.3 feet. Homeowners in Zone A and Zone X, as well as those in Zone X_SHADED with an average payout of $4,286 and 0.9 feet of water depth, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
7 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Anoka County, Minnesota has recorded 19 flood-related events since 1996 according to NOAA's Storm Events Database, including 17 flash floods and 2 river or area floods. The county has received 13 federal disaster declarations, 4 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms And Tornadoes | Severe Storm | May 21, 2011 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Winter Storms, Flooding, And Tornadoes | Flood | Mar 23, 2001 |
| Mn - Carlos Edge Fire Complex - 10/19/2000 | Fire | Oct 19, 2000 |
| Severe Storms, Straight Line Winds, And Tornadoes | Tornado | May 15, 1998 |
| Severe Storms, Tornadoes, High Winds, Flooding | Severe Storm | Jun 28, 1997 |
| Severe Flooding, High Winds,severe Storms | Flood | Mar 21, 1997 |
| Severe Storms, Tornadoes & Flooding | Severe Storm | Jul 20, 1987 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 25, 2025 | 0.00K |
| Flash Flood | Jul 23, 2016 | 0.00K |
| Flash Flood | Sep 21, 2016 | 1.00M |
| Flash Flood | Sep 21, 2016 | 0.00K |
| Flash Flood | Jun 1, 2014 | 0.00K |
| Flash Flood | Jul 16, 2011 | 500.00K |
| Flash Flood | Aug 16, 2011 | 500.00K |
| Flash Flood | Aug 8, 2009 | 0.00K |
| Flash Flood | Jul 23, 2005 | — |
| Flash Flood | Sep 21, 2005 | — |
Flash Flood — Jun 25, 2025
A warm front lifted north into southern Minnesota on the afternoon of Wednesday, June 25th. Strong surface heating to the south of the front with dew points in the 70s allowed for ample instability to develop across the area. Scattered thunderstorms developed in response to the instability and flash flooding occurred in western and east central MN. Strong low-level shear allowed these low-topp...
Flash Flood — Jul 23, 2016
Thunderstorms that developed across Nebraska, South Dakota and western Iowa early Saturday morning, July 23rd, moved northeast into southern and western Minnesota during the morning. Although most of the damage was associated with uprooted trees and occasional severe wind gusts, flash flooding became more apparent during the afternoon along with a few large hail reports. ||Most of the reports o...
Flash Flood — Sep 21, 2016
On the evening of September 20th, a warm front was stretched west to east across southern Minnesota originating from a developing low pressure system across the South Dakota and Nebraska border. The weather pattern, and associated boundaries were nearly stationary through early Thursday morning, September 22nd. The atmosphere was very moist, which was evident in the soundings as near record hig...
Flash Flood — Jun 1, 2014
Several rounds of strong thunderstorms moved across southern Minnesota, producing torrential rainfall with rates as high as 3 inches per hour. Precipitable water values were 1.6 to 1.7 inches of liquid water, which is equivalent to 150 to 175% above normal for the Upper Midwest for early June. ||Rainfall totals earlier Saturday afternoon were around 2 to 4 inches across the western Suburbs from...
Flash Flood — Jul 16, 2011
A small complex of thunderstorms developed across central Minnesota, and moved southeast across the northern Twin Cities Metro area and produced locally four to six inches of rainfall in less than 4 hours. ||A train derailed near Fridley due to a bridge being undermined from excessive rainfall. Several water rescues were also performed around Fridley. ||Some of the major roads that were close...
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 Anoka 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 Anoka 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.