County Hazards

Storm events on record through

Grand Forks County, North Dakota Storm events, disaster declarations and flood insurance claims on record

This page is a county record of past events and claims. It does not show the flood zone or the risk of an address. For the flood map of an address, use FEMA's address search (opens in a new tab).

NCEI has 1,357 storm events on record for Grand Forks County, North Dakota, from 1950 through 30 Jun 2026.

The newest event on record is a hail event on 3 Jun 2026.

FEMA has 38 disaster declarations on record for the county from 1964 through 1 Oct 2026. The newest is DR-4895 of 22 Oct 2025.

OpenFEMA has 3,114 NFIP claims on record for the county from 1978 through 8 Sep 2026. The NFIP paid $76 million on these claims.

The NWS collects event reports from a variety of sources, which include (but are not limited to): county, state, and federal emergency management officials, local law enforcement officials, SKYWARN spotters, NWS damage surveys, newspaper clipping services, the insurance industry, and the general public, among others.

The National Weather Service reports property and crop damage estimates using available data at the time of event reporting. These values should therefore be considered broad estimates. Damage amounts are not adjusted for inflation.

Zone (NWS Forecast Zone): A zone is a geographic area defined by the NWS for issuing forecasts, watches, and warnings. While zones often align with counties, they can also represent smaller or subdivided areas within a county to account for differences in weather conditions, such as elevation or proximity to water. Larger-scale events—such as heat, cold, drought, and winter storms—are typically recorded by zone.

The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .

This is raw, unedited data from FEMA's National Emergency Management Information System (NEMIS) and as such is subject to a small percentage of human error.

The words of the agency. Source: FEMA, OpenFEMA Dataset "Disaster Declarations Summaries - v2", copied on . The page gives: last data refresh 2026-10-01.

It is derived from the National Flood Insurance Program system of record, staged in the program's reporting platform and redacted to protect policy holder personally identifiable information.

The words of the agency. Source: FEMA, OpenFEMA Dataset "NFIP Redacted Claims - v3", copied on . The page gives: last data refresh 2026-09-09.

Dates of the data: NCEI storm events through . OpenFEMA disaster declarations through . NFIP claims through .

Since the last update: no change is on record for Grand Forks County. The site compares the agency data at each update. Updates of the data

The five hazards

Storm events on record for Grand Forks County by hazard and period (NCEI, through 30 Jun 2026)
Hazard1950 to 20262000 to 20092010 to 20192020 to 2026Newest event
Hail39217710937
Tornado92253316
Flood80381316
Wind44588134130
Winter195386955
Other event types153Heat, cold, drought, wildfire, lightning, fog, tropical and other types
All storm events1,357410427290

A hazard name opens the page of that hazard for the county. A hazard has a page from 10 events. The year 2026 has the events through 30 Jun 2026 only.

Forecast zones with the name of the county give 345 of the 1,357 events. A county count has the events that NCEI gives to the county. It also has the events of a forecast zone that has the name of the county. A zone with another name counts for the state only.

Rates of Grand Forks County beside the total of the counties of North Dakota and of the United States
MeasureGrand ForksAll counties of North DakotaAll counties of the United States
Storm events for each 100 square miles, 1950 to 202694.547.249.3
Storm events for each 10,000 residents, 1950 to 2026186.6420.252.5
NFIP claims for each 1,000 policies in force, 2016 to 2025355.546.9185.3

The columns for the state and the United States total the counties. They count the events of each county in the same way as the county column. The site gives a rate for each 10,000 residents only from 10,000 residents. Residents and area: Census Bureau, 2021.

Newest storm events on record

Hail1.00 in, quarter size

2 miles ESE of MEKINOCK

Frost/Freeze

On record for the forecast zone

Frost/Freeze

On record for the forecast zone

Frost/Freeze

On record for the forecast zone

Heavy Snow

On record for the forecast zone

High Wind59 mph (51 knots, measured gust)

On record for the forecast zone

Heavy Snow

On record for the forecast zone

Extreme Cold/Wind Chill

On record for the forecast zone

Extreme Cold/Wind Chill

On record for the forecast zone

Blizzard

On record for the forecast zone

Blizzard

On record for the forecast zone

Blizzard

On record for the forecast zone

Heavy Snow

On record for the forecast zone

Heavy Snow

On record for the forecast zone

Heavy Snow

On record for the forecast zone

Thunderstorm Wind63 mph (55 knots, measured gust)

At (GFK)GRAND FORKS INT

Thunderstorm Wind70 mph (61 knots, estimated gust)

1 mile N of LARIMORE

Thunderstorm Wind58 mph (50 knots, measured gust)

2 miles E of LOGAN CENTER

Thunderstorm Wind67 mph (58 knots, measured gust)

2 miles E of LOGAN CENTER

Thunderstorm Wind59 mph (51 knots, measured gust)

At (GFK)GRAND FORKS INT

Thunderstorm Wind91 mph (79 knots, measured gust)

1 mile N of (RDR)GRAND FORKS AFB

Thunderstorm Wind74 mph (64 knots, measured gust)

At EMERADO

TornadoEF1

3 miles W of HOLMES

TornadoEF0

5 miles ESE of NORTHWOOD

TornadoEF0

44 miles NNE of PILLSBURY

The 25 events above are the newest in the NCEI record. A place is the text of the NCEI record: a distance and a direction from a reference place. Wind speed is in miles per hour, with the knots that NCEI gives. The site does not show a place text that names a private property or reads as a person. Download these events (CSV)

Storm events on record for Grand Forks County by year, 1950 to 2026
DecadeYear that ends in 0Year that ends in 1Year that ends in 2Year that ends in 3Year that ends in 4Year that ends in 5Year that ends in 6Year that ends in 7Year that ends in 8Year that ends in 9All
1950s001007312216
1960s224000310214
1970s031210249224
1980s0161582462145
1990s233012638341023131
2000s46613628575631362237410
2010s39323724404464436143427
2020s67376831235311 (part of the year)290

A darker cell has a larger count. The number is in each cell.

NCEI recorded tornado events from 1950, and hail and thunderstorm wind events from 1955. It recorded all event types from 1996. A count before 1996 has fewer event types.

FEMA disaster declarations

FEMA has 38 disaster declarations on record for Grand Forks County from 1964 through 1 Oct 2026. The newest is DR-4895: SEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADOES.

Disaster declarations that name Grand Forks County (OpenFEMA, through 1 Oct 2026)
DeclaredNumberTypeIncident typeTitle in the FEMA recordAssistance
DR-4895Major disasterSevere StormSEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADOESPublic
DR-4717Major disasterFloodFLOODINGPublic
DR-4660Major disasterSevere StormSEVERE WINTER STORM AND FLOODINGPublic
DR-4565Major disasterSevere StormSEVERE STORMS AND FLOODINGPublic
DR-4553Major disasterFloodFLOODINGPublic
DR-4509Major disasterBiologicalCOVID-19 PANDEMICIndividual, Public
EM-3477EmergencyBiologicalCOVID-19Public
DR-4475Major disasterFloodFLOODINGPublic
DR-4444Major disasterFloodFLOODINGPublic
EM-3364EmergencyFloodFLOODINGPublic
DR-1981Major disasterFloodFLOODINGPublic
EM-3318EmergencyFloodFLOODINGPublic
DR-1907Major disasterFloodFLOODINGPublic
EM-3309EmergencyFloodFLOODINGPublic
DR-1829Major disasterSevere StormSEVERE STORMS AND FLOODINGIndividual, Public
DR-1726Major disasterSevere StormSEVERE STORMS AND TORNADOESIndividual, Public
DR-1645Major disasterSevere StormSEVERE STORMS, FLOODING, AND GROUND SATURATIONPublic
EM-3247EmergencyCoastal StormHURRICANE KATRINA EVACUATIONPublic
DR-1597Major disasterSevere StormSEVERE STORMS, FLOODING, AND GROUND SATURATIONPublic
DR-1515Major disasterSevere StormSEVERE STORMS, FLOODING, AND GROUND SATURATIONPublic
DR-1431Major disasterSevere StormSEVERE STORMS, FLOODING AND TORNADOESPublic
DR-1376Major disasterFloodSEVERE STORMS, FLOODING, & GROUND SATURATIONPublic
DR-1334Major disasterSevere StormSEVERE STORMS, FLOODING AND GROUND SATURATIONIndividual, Public
DR-1279Major disasterFloodSEVERE STORMS, FLOODING, SNOW, ICE, GROUND SATURATION, LANSLIDES, MUDSLIDES, AND TORIndividual, Public
DR-1174Major disasterFloodSEVERE FLOODING,SEVERE WINTER STORMS, SNOWMELT, SPRING RAINSIndividual, Public
DR-1157Major disasterSevere StormSEVERE WINTER STORMS AND BLIZZARD CONDITIONSPublic
DR-1118Major disasterSevere StormSEVERE STORMS,FLOODING, & ICE JAMSPublic
DR-1001Major disasterFloodSEVERE STORMS & FLOODINGIndividual, Public
DR-825Major disasterFloodFLOODINGIndividual, Public
DR-581Major disasterFloodSEVERE STORMS, SNOWMELT & FLOODINGIndividual, Public
DR-554Major disasterFloodSTORMS, ICE JAMS, SNOWMELT & FLOODINGIndividual, Public
DR-475Major disasterFloodSEVERE STORMS & FLOODINGIndividual, Public
DR-469Major disasterFloodFLOODING FROM RAINS & SNOWMELTIndividual, Public
DR-434Major disasterFloodHEAVY RAINS, SNOWMELT & FLOODINGIndividual, Public
DR-287Major disasterFloodSEVERE STORMS & FLOODINGIndividual, Public
DR-256Major disasterFloodFLOODINGIndividual, Public
DR-216Major disasterFloodFLOODINGIndividual, Public
DR-195Major disasterFloodFLOODINGIndividual, Public

DR is a major disaster declaration. EM is an emergency declaration. FM is a fire management assistance declaration. A declaration for the whole state is on the North Dakota page. What a disaster declaration is

The dataset includes declared recovery programs and geographic areas (county not available before 1964; Fire Management records are considered partial due to historical nature of the dataset).

The words of the agency. Source: FEMA, OpenFEMA Dataset "Disaster Declarations Summaries - v2", copied on . The page gives: last data refresh 2026-10-01.

Flood insurance claims (NFIP)

OpenFEMA has 3,114 NFIP claims on record for Grand Forks County from 1978 through 8 Sep 2026.

The NFIP paid $75,544,661 on 2,774 claims.

The county has 355.5 NFIP claims for each 1,000 policies in force. The rate uses 107 claims with a year of loss from 2016 to 2025. FEMA counts 301 residential policies in force on 3 Aug 2026. The claims have every type of building. FEMA counts residential policies only.

NFIP claims in Grand Forks County by year of loss, 1978 to 2026
DecadeYear that ends in 0Year that ends in 1Year that ends in 2Year that ends in 3Year that ends in 4Year that ends in 5Year that ends in 6Year that ends in 7Year that ends in 8Year that ends in 9All
1970s38301339
1980s152541001184122
1990s012721252,293192,341
2000s14669032132149159
2010s1327050160371126
2020s19170000 (part of the year)27

A darker cell has a larger count. The number is in each cell.

NFIP claims by year of loss with the amount paid: 38 years
NFIP claims in Grand Forks County by year of loss, with the amount paid (OpenFEMA, through 8 Sep 2026)
Year of lossClaimsClaims with a paymentAmount paid
202276$28,364
20211not shownnot shown
20201915$104,429
20197156$278,973
20183not shownnot shown
201665$58,587
20151not shownnot shown
20135not shownnot shown
20112726$191,103
20101313$42,636
20094945$967,820
20081not shownnot shown
20072not shownnot shown
20061312$145,494
20052not shownnot shown
20043not shownnot shown
200296$76,538
20016637$237,315
20001412$202,684
199995$18,630
19981not shownnot shown
19972,2932,115$70,716,813
19962522$135,432
19951not shownnot shown
19942not shownnot shown
199370$0
19922not shownnot shown
19911not shownnot shown
19898467$80,658
19881not shownnot shown
19871not shownnot shown
19841not shownnot shown
19834not shownnot shown
19822510$11,502
19815not shownnot shown
19801not shownnot shown
1979301273$2,041,671
19783835$107,012

A year with fewer than 5 claims shows the count of claims and no amount. A year with 1 to 4 claims with a payment shows no amount either. Such an amount could point to one property. The amount is the sum of the building, contents and increased cost of compliance payments. FEMA counts 20 multiple-loss properties in the county (2 Aug 2026). How FEMA redacts NFIP claims

This dataset is not intended to be an official federal report, and should not be considered an official federal report.

Note, the County Code field may not reflect the individual county the property is located as projects can be associated with more than one county

The words of the agency. Source: FEMA, OpenFEMA Dataset "NFIP Redacted Claims - v3", copied on . The page gives: last data refresh 2026-09-09.

FEMA cannot verify the quality and/or timeliness of any data or any analysis derived therefrom after the data has been retrieved from FEMA.gov.

The words of the agency. Source: FEMA, OpenFEMA Terms and Conditions, copied on . The page gives: last updated 2025-01-22.

National Risk Index

Risk Index rating
Relatively Low
Risk Index score
57.7 of 100
Expected Annual Loss rating
Relatively Low
Expected Annual Loss
$25 million
Social Vulnerability rating
Very Low
Community Resilience rating
Relatively High
National Risk Index of Grand Forks County by hazard type (FEMA, December 2025 release)
Hazard typeRisk Index ratingExpected Annual Loss
Cold waveRelatively Moderate$3,235,125
DroughtVery Low$18,197
EarthquakeVery Low$16,834
HailRelatively Moderate$2,265,283
Heat waveVery Low$255,109
Ice stormRelatively High$1,403,015
Inland floodingRelatively Low$12,136,244
LandslideVery Low$538
LightningRelatively Low$172,184
Strong windRelatively Moderate$1,535,466
TornadoRelatively Low$2,289,815
WildfireVery Low$80,860
Winter weatherVery High$1,568,782

The National Risk Index dataset leverages available source data for natural hazard and community risk factors to develop a baseline relative risk measurement for each United States county and Census tract.

The rating is a qualitative categorization that describes the community in comparison to all other communities at the same level, ranging from “Very Low” to “Very High.”

The National Risk Index data are meant for planning purposes only.

The words of the agency. Source: FEMA, National Risk Index Data: Frequently Asked Questions (December 2025, v1.20), copied on .

The labels and the ratings are those of FEMA. Expected Annual Loss is a figure for a whole county. It is not a figure for a property. How to read the National Risk Index

Tropical storm and hurricane tracks

The HURDAT2 record of the National Hurricane Center goes through the 2025 season. It has no track at tropical storm strength within 100 miles of the centre point of Grand Forks County.

ZIP Codes, cities and towns of Grand Forks County

Each ZIP Code below has a page with its NFIP claims by year. 6 more ZIP Codes have fewer than 5 claims and no page.

A city or town has no page of its own. This page is the record for the whole county, which has these places:

  • Emerado
  • Gilby
  • Grand Forks
  • Grand Forks AFB
  • Inkster
  • Larimore
  • Manvel
  • Niagara
  • Northwood
  • Reynolds
  • Thompson

Official channels

These links open the pages of the agencies. The site checked the links on .

Cite this page

County Hazards. "Grand Forks County, North Dakota: storm events, disaster declarations and flood insurance claims on record". https://countyhazards.com/county/nd/grand-forks/. Data: NOAA NCEI Storm Events Database through 30 Jun 2026; FEMA OpenFEMA disaster declarations through 1 Oct 2026; FEMA OpenFEMA NFIP claims through 8 Sep 2026. Page made on .

Where the data comes from

  • Storm events: NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026.
  • Disaster declarations: OpenFEMA Disaster Declarations Summaries, read on 1 Oct 2026.
  • NFIP claims: OpenFEMA NFIP Claims, as of 8 Sep 2026. Multiple-loss properties: 2 Aug 2026. Policies in force: 3 Aug 2026.
  • National Risk Index: FEMA, December 2025 release. Storm tracks: NHC HURDAT2 through the 2025 season.
  • Residents, area, places and adjacent counties: US Census Bureau, 2021 vintage.

How the counts are made · Corrections · Hazards in all states: hail, tornado, flood, wind, winter

Questions

How many tornado events are on record for Grand Forks County?
NCEI has 92 tornado events on record for Grand Forks County from 1950 through 30 Jun 2026. 11 events have a rating of EF2 or F2, or a higher rating.
How large is the hail on record for Grand Forks County?
NCEI has 392 hail events on record from 1955 through 30 Jun 2026. 74 events have a hail size of 1.75 inches or more. NCEI names 1.75 inches a golf ball.
Which month has the most storm events on record for Grand Forks County?
June has 324 of the 1,357 storm events on record from 1950 through 30 Jun 2026.
How many NFIP claims are there for each 1,000 policies in force in Grand Forks County?
The county has 355.5 NFIP claims for each 1,000 policies in force. The rate uses 107 claims with a year of loss from 2016 to 2025. FEMA counts 301 residential policies in force on 3 Aug 2026. The claims have every type of building. FEMA counts residential policies only.