Enter any address in Grant 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.
Grant County, North Dakota has recorded 10 flood-related events since 1996 according to NOAA's Storm Events Database, including 5 flash floods and 5 river or area floods. The county has received 27 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 (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 Straight-line Winds | Winter Storm | Dec 25, 2023 |
| Severe Winter Storm And Flooding | Severe Storm | Apr 22, 2022 |
| Severe Storm, Straight-line Winds, And Flooding | Severe Storm | Jun 7, 2021 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Flooding | Flood | Mar 21, 2019 |
| Severe Winter Storm | Severe Storm | Oct 4, 2013 |
| Flooding | Flood | Feb 14, 2011 |
| Severe Winter Storm | Severe Storm | Apr 1, 2010 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 8, 2021 | 150.00K |
| Flash Flood | Jun 12, 2011 | 50.00K |
| Flash Flood | Jun 12, 2011 | 75.00K |
| Flood | Mar 6, 2009 | 342.00K |
| Flood | Apr 1, 2009 | 100.00K |
| Flood | Jun 6, 2007 | 25.00K |
| Flash Flood | Jul 27, 2001 | — |
| Flash Flood | Jul 26, 2001 | — |
| Flood | Jul 26, 2001 | — |
| Flood | Mar 21, 1997 | — |
Flash Flood — Jun 8, 2021
An extended period consisting of two days of continuous severe weather occurred from June 7 through June 8. Thunderstorms initially developed along a warm front over the James River Valley into parts of south central North Dakota where strong instability and deep layer shear were noted. During the evening, a mix of wind and hail damage occurred. The largest hail reported during this period was ...
Flash Flood — Jun 12, 2011
A strong short wave trough ejecting into the Northern Plains, coupled with increasing large scale ascent ahead of an upper level jet streak, brought widespread severe weather to much of southwest and south central North Dakota during the evening hours of June 12th. Favorable low level vertical wind shear increased the threat for supercellular storms and isolated tornados. Tornado Watch number 4...
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...
Flood — Apr 1, 2009
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 Bismarck ended up the second snowiest on record with 100.3 inches. A similar sce...
Flood — Jun 6, 2007
Thunderstorms followed by showers and then areas of steady rain on June 6 and 7 resulted in flooding in parts of southern North Dakota. Five to six (5 to 6) inches of rain was common over the two day period.
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 Grant 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 Grant 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.