Severe Weather History


Oregon Heavy Rain History: 325 Recorded Events

325

Recorded events

32

Counties affected

2

Direct deaths

$6.1M

Property damage

Oregon heavy rain history: 325 recorded events across 32 counties between 1996 and 2024.

Decade by decade

Oregon heavy rain history by decade

Oregon heavy rain history: recorded events per decade
Oregon heavy rain history: recorded events per decade

The 2000s are the busiest decade on record with 187 reported heavy rain events across Oregon. 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 heavy rain events in Oregon

RankCountyEventsDeathsDamageSpan
#1Multnomah County341$2.3M2001–2023
#2Clackamas County210$90K2001–2022
#3Washington County200$265K2001–2024
#4Lane County190$20K2001–2020
#5Marion County180$02001–2020
#6Polk County160$02001–2020
#7Tillamook County160$225K2001–2020
#8Hood River County150$02001–2007
#9Baker County150$01996–2024
#10Yamhill County140$895K2001–2015
#11Harney County140$02022–2024
#12Lincoln County121$1.2M2001–2016
#13Clatsop County120$13K2001–2020
#14Deschutes County110$01997–2018
#15Linn County110$1.0M2001–2020
#16Benton County100$02001–2013
#17Union County90$01998–2018
#18Malheur County90$01996–2023
#19Columbia County90$02001–2007
#20Crook County70$01998–2009
#21Jefferson County60$01997–2012
#22Umatilla County60$4K1998–2010
#23Grant County40$01998–2010
#24Morrow County40$01998–2012
#25Josephine County30$02005–2005
Source: NOAA/NCEI Storm Events · ranked by recorded event count

Significant events

Deadliest heavy rain events in Oregon

DateCountyScaleDeathsInjuries
Dec 18, 2015Lincoln County—11
Dec 3, 2023Multnomah County—10
Source: NOAA/NCEI Storm Events · dates UTC

All hazards in Oregon · Heavy Rain across the U.S.