Enter any address in Traill County, North Dakota to see its FEMA flood zone
Snowmelt flooding is the dominant flood character in Traill County. Recent events include flooding in April 2023 due to snowmelt, and a significant snowmelt event in April 2019 that inundated low-lying areas and roads.
National Flood Insurance Program (NFIP) data shows that properties in Zone A have experienced the most claims, with an average payout of $10,879 and an average water depth of 4.0 feet. Properties in Zone X_UNSHADED have also seen substantial claims, averaging $17,476 with a water depth of 9.9 feet.
Homeowners in areas designated as Zone A or Zone X_UNSHADED, as well as those residing in low-lying areas or near waterways, should pay the most 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.
Traill County, North Dakota has recorded 36 flood-related events since 1996 according to NOAA's Storm Events Database, including 14 flash floods and 22 river or area floods. The county has received 36 federal disaster declarations, 22 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2025)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storm, Tornadoes, And Straight-line Winds | Severe Storm | Jun 20, 2025 |
| Severe Winter Storm And Straight-line Winds | Winter Storm | Dec 25, 2023 |
| Severe Winter Storm And Flooding | Severe Storm | Apr 22, 2022 |
| Flooding | Flood | Apr 1, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Flooding | Flood | Oct 9, 2019 |
| Flooding | Flood | Mar 21, 2019 |
| Flooding | Flood | Apr 22, 2013 |
| Flooding | Flood | Apr 5, 2011 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Apr 19, 2023 | 0.00K |
| Flood | Apr 18, 2023 | 0.00K |
| Flash Flood | Apr 23, 2022 | 50.00K |
| Flash Flood | Sep 21, 2019 | 250.00K |
| Flood | Apr 4, 2019 | 50.00K |
| Flood | Apr 28, 2013 | 5.00K |
| Flood | Apr 8, 2011 | 0.00K |
| Flood | Mar 18, 2010 | 0.00K |
| Flash Flood | Jun 27, 2009 | 10.00K |
| Flood | Mar 22, 2009 | 5.00K |
Flood — Apr 19, 2023
Snowmelt flooding along the North Dakota Tributaries began in early to mid-April, with a few locations persisting into early May.
Flood — Apr 18, 2023
Spring snowmelt flooding began in mid to late April in most locations, then persisted into early May.
Flash Flood — Apr 23, 2022
Several rounds of severe thunderstorms traversed the region starting on the evening of April 22nd. Initially, large hail was the primary concern, with an increasingly tornadic environment heading into April 23rd. Both hail (up to 1.5 inches) and tornadoes were reported with this system.
Flash Flood — Sep 21, 2019
By the late afternoon of the 20th, a weak area of surface low pressure set up near Devils Lake, with the warm front extending out to the east-southeast. Temperatures had risen into the mid 70s to low 80s in the warm sector, with dew points in the upper 60s to lower 70s. To the southwest of the low, a cold front extended back toward Bismarck. Just before 5 pm CDT, a fairly solid line of thunders...
Flood — Apr 4, 2019
The winter snow melted first on the Minnesota side of the southern Red River Valley. Visible satellite imagery confirmed this fact, showing a distinct snow free north to south band that extended roughly 20 or so miles east of the Red River from Grant to Wilkin to Clay counties. In Fargo, the snow depth fell to zero on April 6th. However, a blizzard from April 10th to 12th brought more snow to t...
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 Traill 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 Traill 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.