Enter any address in McLean County, North Dakota to see its FEMA flood zone
5 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
McLean County, North Dakota has recorded 12 flood-related events since 1996 according to NOAA's Storm Events Database, including 6 flash floods and 6 river or area floods. The county has received 24 federal disaster declarations, 10 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1966–2025)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storm, Tornadoes, And Straight-line Winds | Severe Storm | Jun 20, 2025 |
| Severe Winter Storm And Flooding | Severe Storm | Apr 22, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms And Flooding | Severe Storm | May 17, 2013 |
| Flooding | Flood | Apr 5, 2011 |
| Flooding | Flood | Feb 14, 2011 |
| Severe Winter Storm | Severe Storm | Apr 1, 2010 |
| Severe Storms And Flooding | Severe Storm | Mar 13, 2009 |
| Severe Winter Storm And Record And/or Near Record Snow | Snowstorm | Oct 4, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 28, 2018 | 40.00K |
| Flood | Jun 2, 2011 | 5.00M |
| Flood | Jul 1, 2011 | 0.00K |
| Flood | Aug 1, 2011 | 0.00K |
| Flood | Mar 6, 2009 | 205.00K |
| Flood | Apr 1, 2009 | 350.00K |
| Flash Flood | Jul 30, 2008 | 25.00K |
| Flash Flood | Jun 26, 2005 | 10K |
| Flash Flood | May 7, 2005 | — |
| Flash Flood | Jun 1, 2005 | 60K |
Flash Flood — Jun 28, 2018
An extremely unstable atmosphere combined with very strong deep layer wind shear set the stage for intense thunderstorm development. Initially, thunderstorms were supercells, and formed along a warm front that lifted through North Dakota in the afternoon and evening hours. One of the supercell thunderstorms produced flash flooding in Dunn and Mercer counties, while another produced 3.50 inch di...
Flood — Jun 2, 2011
This was part of historic flooding in North Dakota with statewide costs estimated around 1.5 billion dollars. Flooding was the result of significant winter snows and significant spring rains, not only in North Dakota but in Montana as well. Rocky Mountain snowpack was four to six times normal. Flooding was along the Missouri River from the Garrison Dam to the South Dakota border. Dams were over...
Flood — Jul 1, 2011
This was part of historic flooding in North Dakota with statewide costs estimated around 1.5 billion dollars. Flooding was the result of significant winter snows and significant spring rains, not only in North Dakota but in Montana as well. Rocky Mountain snowpack was four to six times normal. Flooding was along the Missouri River from the Garrison Dam to the South Dakota border. Dams were over...
Flood — Aug 1, 2011
This was part of historic flooding in North Dakota with statewide costs estimated around 1.5 billion dollars. Flooding was the result of significant winter snows and significant spring rains, not only in North Dakota but in Montana as well. Rocky Mountain snowpack was four to six times normal. Flooding was along the Missouri River from the Garrison Dam to the South Dakota border. Dams were over...
Flood — Mar 6, 2009
This devastating flooding continued into April, and in some cases worsened.||Western and central North Dakota experienced a snowy winter of 2008-2009. Bismarck, for example, had the snowiest December on record, which was also the snowiest month ever on record, with 33.3 inches of snow in December 2008. March 2009 was the fifth snowiest month on record with 29.7 inches. For the entire season Bis...
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 McLean County, North Dakota:
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 McLean County, North Dakota 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.