Severe Weather History


North Dakota Flood History: 664 Recorded Events

661

Recorded events

53

Counties affected

7

Direct deaths

$3.8B

Property damage

North Dakota flood history: 661 recorded events across 53 counties between 1996 and 2024.

Decade by decade

North Dakota flood history by decade

North Dakota flood history: recorded events per decade
North Dakota flood history: recorded events per decade

The 2000s are the busiest decade on record with 194 reported flood events across North Dakota. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.

County ranking

Counties with the most flood events in North Dakota

RankCountyEventsDeathsDamageSpan
#1Nelson County300$4.2M2006–2011
#2Pembina County280$1.8M2006–2023
#3Ramsey County250$4.8M1998–2011
#4Benson County250$4.8M2006–2020
#5Walsh County240$3.2M2000–2023
#6Cass County241$6.2M1999–2024
#7Richland County200$1.6M1998–2024
#8Grand Forks County161$2.3M1999–2024
#9Ransom County130$242K2006–2023
#10Sargent County120$310K2006–2019
#11Morton County110$11.7M1999–2023
#12Steele County100$90K2006–2019
#13Burleigh County100$21.1M1999–2011
#14Ward County100$101.8M2009–2023
#15Traill County100$242K2006–2023
#16McHenry County90$5.5M2009–2023
#17Towner County90$414K2006–2017
#18Cavalier County90$947K2006–2017
#19Bottineau County80$1.3M2001–2014
#20Barnes County80$525K2007–2011
#21Mountrail County80$816K2009–2023
#22Mercer County70$3.9M2009–2023
#23McKenzie County70$5.4M2009–2019
#24Dunn County70$2.4M2009–2023
#25Williams County60$375K2011–2014
Source: NOAA/NCEI Storm Events · ranked by recorded event count

Significant events

Deadliest flood events in North Dakota

DateCountyScaleDeathsInjuries
May 1, 2022Hettinger County—20
Apr 1, 2006Cass County—10
Apr 1, 2006Grand Forks County—10
Apr 16, 2023Rolette County—10
Source: NOAA/NCEI Storm Events · dates UTC

All hazards in North Dakota · Flood across the U.S.