FloodZoneMap.org

Mountrail County, North Dakota Flood Zones

Check an Address in Mountrail County

Enter any address in Mountrail County, North Dakota to see its FEMA flood zone

The Flooding Character of Mountrail County

Flash flooding from heavy rainfall events is a primary flood concern in Mountrail County. Over the last 30 years, NOAA Storm Events data shows 7 flash flood events and 9 flood events. For example, heavy rains in late June 2014 caused extensive damage, leading to a Federal Disaster Declaration for North Dakota. More recently, spring snowmelt contributed to flooding in April 2023.

National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced claims. These claims averaged $728 with an average water depth of 0.8 feet. Homeowners and real estate agents 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.

Read First-Hand Flood Stories from Mountrail County

8 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read North Dakota flood stories →

Flood Risk Data for Mountrail County

Mountrail County, North Dakota has recorded 16 flood-related events since 1996 according to NOAA's Storm Events Database, including 7 flash floods and 9 river or area floods. The county has received 27 federal disaster declarations, 13 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Mountrail County Disaster History

FEMA Disaster Declarations (1969–2023)

Disaster Declarations
27
Flood/Coastal Disasters
13
Latest Disaster
Flooding (2023-04-10)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Mountrail County

DeclarationTypeDate
FloodingFloodApr 10, 2023
Severe Winter Storm And FloodingSevere StormApr 22, 2022
Severe Storms And FloodingSevere StormJun 29, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
FloodingFloodOct 9, 2019
Severe Storms And FloodingFloodJun 25, 2014
Severe Storms And FloodingSevere StormMay 17, 2013
Severe Winter StormSevere StormApr 29, 2011
FloodingFloodFeb 14, 2011

Recorded Flood Events in Mountrail County

NOAA Storm Events Database (1996–2025)

Total Flood Events
16
River/Area Floods
9
Flash Floods
7
Total Property Damage
$1.1M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Mountrail County

TypeDateDamage
FloodApr 11, 2023110.00K
FloodJun 28, 2014254.00K
Flash FloodJul 21, 201365.00K
Flash FloodJun 7, 201210.00K
Flash FloodJun 24, 201120.00K
Flash FloodJul 22, 201120.00K
Flash FloodJun 19, 2011100.00K
FloodMay 11, 201150.00K
FloodJun 1, 20110.00K
FloodJul 1, 20110.00K

Mountrail County Flood History

Flood — Apr 11, 2023

The spring snow melt of 2023 saw many areas of flooding over North Dakota due to a record deep snow pack and relatively fast melt. Multiple counties experienced infrastructure damage due to the flooding. In addition, during the morning hours of April 16, a flood death (direct) occurred as a 54 year old female was driving a 2004 Ford Escape along ND Highway 66 near the intersection of 47th Avenu...

Flood — Jun 28, 2014

Very heavy rain continued over several days at the end of June. Three to five inches of rain fell from Minot through Sherwood, and from Crosby through Lignite to Stanley. The highest rain amount was seven inches from Renville County. Another high amount was 4.50 inches from Ward County. Damage was extensive. The state of North Dakota requested and was granted a Federal Disaster Declaration as a...

Flash Flood — Jul 21, 2013

Tornado Watch number 428 was in effect during this event. ||An eastward moving surface cold front and upper level shortwave trough combined with strong instability and wind shear to trigger a severe weather outbreak across much of west and central North Dakota. Storms initiated during the mid afternoon over northwest North Dakota, and continued to develop east and south through the mid evening...

Flash Flood — Jun 7, 2012

Strong to severe thunderstorms developed during the afternoon across central North Dakota along a north to south orientated stationary front. Convection was supported by a modest low level jet and afternoon destabilization ahead of a mid level longwave trough across the western United States. Large hail and severe thunderstorm winds occurred during this event. In addition, slow moving thunderst...

Flash Flood — Jun 24, 2011

Flash flood conditions developed over portions of northwest North Dakota as slow moving and redeveloping thunderstorms moved over Burke County. Local law enforcement reported water flowing over roads southwest of Lignite.

Source: NOAA National Weather Service Storm Events Database.

Mountrail County NFIP Flood Insurance Claims

Total Claims Filed
4
Total Paid Out
$2,913
Avg Claim
$728
Avg Water Depth
3.0 ft

Claims by Flood Zone

A Zones (High Risk)
4

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

Flood Zone Types in Mountrail County

FEMA assigns flood zone designations to areas in Mountrail 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.

View all flood zone types →

Flood Insurance in Mountrail County

Properties in Mountrail 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.