Pierce County, North Dakota

County storm and disaster record · FIPS 38069 · population 3,976 · 1,018 sq mi

NOAA's Storm Events Database holds 382 records for Pierce County, North Dakota from 1950 through June 30, 2026, on 310 days; the most frequent are winter storm records (106 records). 196 of them are forecast-zone records, which the National Weather Service files once per zone: a county covered by several zones receives each one, so a single storm can add several records on the same day. The most damaging was the June 19, 2005 thunderstorm wind ($2.6 million in 2025 dollars). FEMA has issued 23 declarations naming the county since 1969, 21 of them for natural hazards; the latest for a natural hazard was “Flooding” on July 12, 2017.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
382on 310 days, 1950 to June 30, 2026
Deaths recorded
00 injuries
Damage, 2025 dollars
$15Mas filed (scale steps before 1993)
Tornadoes
15strongest F2
FEMA declarations
23latest 2020

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Pierce County most?

The most frequent records are winter storm records: 106 since 1996. 46% of its winter storm records since 1996 fell in December and January. The rank column places the county among North Dakota's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Pierce County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Winter storms 106 104 1996-2026 0 0 $4.2M 23 of 53
Hail 93 67 1973-2025 0 0 $902K 40 of 53
Severe thunderstorm wind 66 48 1973-2026 0 0 $4.7M 36 of 53
Extreme cold 40 39 1996-2025 0 0 – 21 of 53
High wind and dust storms 39 39 1999-2026 0 0 $130K 24 of 53
Tornadoes 15 15 1973-2011 0 0 $4.4M 38 of 53
Drought 9 9 2021-2021 0 0 – 28 of 53
Fog, smoke and funnel clouds 7 6 2001-2023 0 0 – 32 of 53
Floods 5 5 1999-2024 0 0 $440K 44 of 53
Heat 1 1 2011-2011 0 0 – 26 of 53
Lightning 1 1 1997-1997 0 0 $22K 29 of 53

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Pierce County had?

NOAA records 15 tornadoes in Pierce County from 1973 to 2011, the strongest rated F2, with 0 deaths and 0 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 17 tornadoes whose track touched Pierce County since 1950 (NOAA's county records number 15: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in North Dakota.

Every tornado record filed for Pierce County (15)
Every tornado recorded in Pierce County, newest first
DatePlaceCharacterKilledInjuredDamage
2011-07-20 Rugby, Pierce County EF1 1.25 mi x 50 yd 0 0 $623K
2005-07-10 Selz, Pierce County F0 0 0 –
2005-06-19 Silva, Pierce County F1 3 mi x 75 yd 0 0 $378K
2004-05-19 Barton, Pierce County F1 1 mi x 600 yd 0 0 –
2001-06-20 Orrin, Pierce County F0 0 0 –
2000-07-04 Rugby, Pierce County F1 3 mi x 50 yd 0 0 –
1998-05-17 Rugby, Pierce County F0 10 mi x 100 yd 0 0 –
1997-07-24 Barton, Pierce County F0 0.1 mi x 10 yd 0 0 –
1989-06-06 Pierce County F1 0.2 mi x 20 yd 0 0 $25K step
1978-07-04 Pierce County F1 5.9 mi x 33 yd 0 0 $30 step
1978-05-25 Pierce County F1 0.2 mi x 10 yd 0 0 $3K step
1977-06-25 Pierce County F0 0 0 $3K step
1976-06-11 Pierce County F1 0 0 –
1973-08-21 Pierce County F2 0 0 $250K step
1973-07-01 Pierce County F1 0 0 $250K step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Pierce County?

The most recent record with damage, injuries or deaths is the June 20, 2023 thunderstorm wind ($15,000 in damage in 2025 dollars).

Multiple large tree branches were broken off, with a few broken trees.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1104628)
The 12 most recent records kept for Pierce County
DateRecordCharacterKilledInjuredDamage
2026-06-29 Thunderstorm WindRugby, Pierce County 55 kt wind 0 0 –
2026-05-14 High WindPierce County · forecast zone Pierce 52 kt wind 0 0 –
2026-02-17 Heavy SnowPierce County · forecast zone Pierce 0 0 –
2025-12-18 BlizzardPierce County · forecast zone Pierce 0 0 –
2025-09-11 HailWolford, Pierce County 0.75 in hail 0 0 –
2025-07-27 Thunderstorm WindRugby, Pierce County 52 kt wind 0 0 –
2025-02-16 Extreme Cold/Wind ChillPierce County · forecast zone Pierce 0 0 –
2025-02-06 BlizzardPierce County · forecast zone Pierce 0 0 –
2025-01-18 Cold/Wind ChillPierce County · forecast zone Pierce 0 0 –
2023-06-20 Thunderstorm WindRugby, Pierce County 70 kt wind 0 0 $15K
2023-06-20 Thunderstorm WindOrrin, Pierce County 70 kt wind 0 0 $4K
2023-06-20 Thunderstorm WindBalta, Pierce County 96 kt wind 0 0 $339K

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

The costliest records in Pierce County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2005-06-19 Thunderstorm WindSilva, Pierce County 96 kt wind 0 0 $2.6M
1997-04-04 BlizzardPierce County · forecast zone Pierce 0 0 $1.2M
2007-08-13 Thunderstorm WindBalta, Pierce County 65 kt wind 0 0 $776K
2016-08-03 HailRugby, Pierce County 2.50 in hail 0 0 $769K
2011-07-20 TornadoRugby, Pierce County EF1 1.25 mi x 50 yd 0 0 $623K
2005-06-19 TornadoSilva, Pierce County F1 3 mi x 75 yd 0 0 $378K
2009-04-01 FloodBarton, Pierce County 0 0 $373K
2023-06-20 Thunderstorm WindBalta, Pierce County 96 kt wind 0 0 $339K

Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $250K, in the dollars of the day) holds: July 1, 1973 (tornado, Pierce County); August 21, 1973 (tornado, Pierce County).

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Pierce County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Pierce County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Winter storms––––14333920
Hail007218262812
Severe thunderstorm wind00865161120
Extreme cold––––310234
High wind and dust storms––––1121412
Tornadoes00612510

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

46% of its winter storm records since 1996 fell in December and January. The two busiest months are in violet.

The values, month by month

Jan 44 · Feb 35 · Mar 19 · Apr 14 · May 26 · Jun 58 · Jul 79 · Aug 32 · Sep 8 · Oct 13 · Nov 18 · Dec 36 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Pierce County

FEMA's register lists 23 declarations that include Pierce County: 21 major disasters, 2 emergencies and 0 fire management assistance declarations. Most were for flood (10) and severe storm (9).

Declarations including Pierce County, newest first
DeclaredNumberTypeTitle
2020-04-01DR-4509BiologicalCovid-19 Pandemic
2020-03-13EM-3477BiologicalCovid-19
2017-07-12DR-4323FloodFlooding
2014-08-19DR-4190FloodSevere Storms and Flooding
2013-07-12DR-4128Severe StormSevere Storms and Flooding
2011-05-10DR-1981FloodFlooding
2009-03-24DR-1829Severe StormSevere Storms and Flooding
2005-11-21DR-1616SnowstormSevere Winter Storm and Record and/Or Near Record Snow
2005-09-13EM-3247Coastal StormHurricane Katrina Evacuation
2005-07-22DR-1597Severe StormSevere Storms, Flooding, and Ground Saturation
2004-05-05DR-1515Severe StormSevere Storms, Flooding, and Ground Saturation
2001-05-28DR-1376FloodSevere Storms, Flooding, & Ground Saturation
2000-06-27DR-1334Severe StormSevere Storms, Flooding and Ground Saturation
1999-06-08DR-1279FloodSevere Storms, Flooding, Snow, Ice, Ground Saturation, Lanslides, Mudslides, and Tor
1998-06-15DR-1220FloodFlooding, Ground Saturation,Severe Storms
1997-04-07DR-1174FloodSevere Flooding,Severe Winter Storms, Snowmelt, Spring Rains
1997-01-12DR-1157Severe StormSevere Winter Storms and Blizzard Conditions
1996-06-05DR-1118Severe StormSevere Storms,Flooding, & Ice Jams
1995-05-16DR-1050Severe StormSevere Storms, Flooding, and Ground Saturation
1994-07-01DR-1032Severe StormSevere Storms, Flooding
1979-04-26DR-581FloodSevere Storms, Snowmelt & Flooding
1974-05-14DR-434FloodHeavy Rains, Snowmelt & Flooding
1969-04-18DR-256FloodFlooding

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Pierce County had?

NOAA's Storm Events Database holds 5 flood or flash flood records for Pierce County from 1999 to 2024, on 5 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Pierce County ranks 2358th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $56,000 on 10 claims filed in Pierce County; the most in one year was 6 in 1999. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1996: 1 · 1997: 3 · 1999: 6; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Pierce County

FEMA's National Risk Index rates Pierce County Very Low overall, with an expected annual loss of $3.4 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Pierce County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Winter WeatherRelatively Moderate$184K21 a year (modeled)
Cold WaveRelatively Low$1.9M22 a year (modeled)
Ice StormRelatively Low$125Konce in about 2 years (modeled)
WildfireVery Low$92Konce in about 843 years (modeled)
HailVery Low$127K2.3 a year (modeled)
DroughtVery Low$13K14 modeled event-days a year
LandslideVery Low$172once in about 8 years (modeled)
Strong WindVery Low$197K1.1 a year (modeled)

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Pierce County

  1. Benson County 853
  2. McHenry County 577
  3. Towner County 552
  4. Bottineau County 525
  5. Wells County 453
  6. Pierce County 382
  7. Rolette County 347
  8. Sheridan County 331

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

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