Flood in Oregon

Events

713

Deaths

22

Injuries

8

Damage

$826 million

• Flooding in Oregon, February 6 to 15, 19967 deaths · $400 million · 8 eventsRunoff from heavy rains and melting mountain snow caused major floods upon many northern Oregon rivers. The first rivers reached flood stage on the morning of February 6th while the heaviest rain was still falling.
• Flooding in Oregon, November 17 to 21, 19965 deaths · 6 injured · $42 million · 2 eventsA moist southwest flow aloft produced moderate to heavy rain and strong winds over southwest Oregon between Nov 17 and Nov 21. Storm total rainfall ranged from 8 to 12 inches on the coast with local amounts near 20 inches...3 to 7 inches of rainfall fell inland.
• Flooding and Heavy Rain in Oregon, December 1 to 6, 20072 deaths · $76 million · 49 eventsTwo very powerful storms with origins in the Tropics brought hazardous weather to the Pacific Northwest. The entire forecast area experienced heavy rainfall for an extended period of time.
• Flooding in Oregon, February 6 to 8, 20201 death · $41 million · 3 eventsSummary : Heavy snow on February 4-5, 2020 was followed by a period of heavy rain, February 5-7. Snow levels rose to near 5000 feet. The heavy rain and snow melt lead to moderate flooding and several landslides along the East Slopes of the Washington Cascades.
• Flooding in Oregon, March 21 to 22, 19982 deaths · 1 injured · 2 eventsWarm air ahead of a strong Pacific cold front led to heavy rainfall on top of existing snowpack in southern Oregon March 21-22. Ensuing runoff caused localized flooding along streams and small rivers in southern Lake county and all of Josephine county.
• Debris Flows and Flooding in Oregon, January 1 to 5, 20091 death · 5 injured · $1.3 million · 26 eventsHeavy rainfall drenched the region to begin the new year. The heavy rainfall combined with snowmelt runoff caused flooding along multiple rivers in northwest Oregon.
• Debris Flow and Flooding in Oregon, December 3 to 4, 20232 deaths · 4 eventsA pair of moderate atmospheric rivers brought heavy rain leading to minor river and urban flooding to portions of northwest Oregon.
• Flooding in Oregon, January 18 to 20, 20122 deaths · 3 eventsWith a cold air mass in place over the Pacific Northwest, two strong and very moist Pacific weather systems brought widespread heavy rains to the Willamette Valley flooding many urban and small streams.
• Flooding and Heavy Rain in Oregon, December 17 to 19, 20151 death · 1 injured · $2.9 million · 8 eventsAn atmospheric rain event resulted in river flooding, urban flooding, land slides and sink holes across Northwest Oregon causing catastrophic damage.
• Flooding in Oregon, December 9 to 10, 20151 death · 1 injured · $2.6 million · 2 eventsA moist front produced heavy rain across Northwest Oregon closely following two other moist fronts on December 7th and December 8th. THe heavy rain resulted in additional flooding and land slides across the region.
• Debris Flow and Flooding in Oregon, January 10 to 16, 20211 death · 1 injured · $46,000 · 70 kt wind · 29 eventsA series of slow moving fronts brought periods of heavy rain along with strong winds. This resulted in high surf; coastal, river and urban flooding; landslides; and debris flows.
• Flooding and High Wind in Oregon, January 1 to 5, 1997$90 million · 86 kt wind · 8 eventsA warm southwest flow pushed temperatures into the 60s New Years Eve Day with the freezing lifting to above 10,000 ft.
• Flooding in Oregon, November 6 to 8, 2006$49 million · 10 eventsSeveral days of nearly non-stop weather systems brought copious amounts of rainfall to northwest Oregon. With moderate temperatures in place, very close to all of this rainfall became run-off, and many rivers over the area swelled in response.
• Flooding in Oregon, January 18 to 27, 2012$20 million · 16 eventsWith a cold air mass in place over the Pacific Northwest, two strong and very moist Pacific weather systems brought snow to the area with snow levels down to the valley floor.
• Debris Flow and Flooding in Oregon, January 16 to 21, 2011$18 million · 16 eventsA series of weather disturbances over the weekend brought sub-tropical moisture to the Pacific Northwest producing heavy rainfall over the region.
• Flooding in Oregon, April 8 to 14, 2019$17 million · 8 eventsSnow water equivalents near 200% of normal in the Blue Mountains coupled with warm temperatures and near record rainfall totals for April produced significant river flooding across eastern Oregon.
• Flooding in Oregon, December 26 to 31, 2005$14 million · 5 eventsEstimated total damage in Coos County. 54 homes and businesses damaged, most due to a dike failure in Coos Bay.
• Flooding and Heavy Rain in Oregon, December 7 to 8, 2015$7.9 million · 13 eventsA moist pacific front produced heavy rainfall across Northwest Oregon which resulted in river flooding, urban flooding, small stream flooding, land slides, and a few sink holes.
• Flood in Oregon, January 1 to 5, 1997$9.9 million · 1 event$4.5 million damage to public and private land in Wallowa County. Over $5 million in road damage.
• Flooding in Oregon, December 7 to 10, 1996$8.0 million · 4 eventsA series of storm systems dumped impressive amounts of rain over Southern Oregon Dec 7 through Dec 10. 24 hour rainfall between 4-8 inches fell along the coast and 2-6 inches inland. Most major rivers and many of the small streams in southwest Oregon flooded.
• Flooding in Oregon, November 29, 2012$8.0 million · 2 eventsAnother round of heavy rain impacted the already soaked south Coast...bringing flooding to the area.
• Flooding in Oregon, November 25 to 27, 1999$4.7 million · 2 eventsAn early winter storm brought up to 10 inches of rain to the north Oregon coast causing flooding and landslides. In Tillamook County the Nehalem River reached 18.5 ft (5 ft over flood stage). In Lincoln County the Siletz River reached 28.5 ft (16 ft over flood stage).
• Debris Flow and Flooding in Oregon, November 12 to 13, 2008$3.8 million · 4 eventsHeavy rainfall, fueled by a tropical moisture source that had origins in the west Pacific, drenched the region over the course of a few days. This heavy rainfall caused flooding along multiple rivers in northwest Oregon.
• Flash Flood and Flooding in Oregon, May 14 to 18, 2011$2.8 million · 1 in hail · 9 eventsAn upper level low pressure system moved over the Pacific Northwest. Moist and unstable conditions ahead of the low triggered widespread thunderstorms with heavy rainfall and isolated large hail.
• Flooding in Oregon, November 18 to 23, 1996$3.2 million · 5 eventsHeavy rainfall over Oregon caused many rivers in Northwestern Oregon to flood. The first small streams began flooding on November 18th with 11 larger rivers reaching flood stage on the 19th and 20th.

Flood everywhereEvery kind of event in Oregon

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.