Washington County, Oregon
Tornadoes, hail, floods and severe storms recorded here between 1954 and 2024, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
6
Tornado reports
8
Hail reports
26
Floods since 1996
77
All events
2
Deaths
$5.7M
Property damage
Tornado paths in Washington County
The part of each tornado’s path NOAA recorded in this county, 6 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
A male age 53, drowned in Bronson Creek, SE of Hillsboro.
The Tualatin River near Dilley flooded, causing flood damage to homes in the area and leaving some roads impassable. Old Hwy. 47 and Hwy. 47 were closed temporarily due to combined flooding of a couple creeks with the Tualatin River. Near the area, a 54 year old male drown in Hed…
Heavy rain resulted in flooding of the Tualatin River near Dilly, and of many small creeks between Beaverton and Gaston. Around 50 homes sustained flood damage and many roads were closed including Highway 217 in Beaverton (during the evening commute).
Heavy Rain Heavy Rain
Oregon Department of Transportation reported in a KG8 media web article that heavy rain was the likely reason for the sinking and cracking of State Route 6 near the Gales Creek Campground Turnout. The westbound lane was closed November 20th and 21st.
Flood Flood
Heavy rain brought minor flooding to Tualatin River at Farmington.
Flood Flood
Heavy rains around 1 inch in a half hour to an hour resulted in Ash Creek in southwest Portland to over flow. Around 14 homes had varying amounts of flooding.
Funnel Cloud Funnel Cloud
Picture showing what appears to be a narrow funnel cloud near Bald Peak Road in Washington County.
Hail Hail
Hail size of 0.75 inch was estimated from picture posted on social media.
Thunderstorm Wind Thunderstorm Wind
A video on social media showed what appeared to be a thunderstorm gust or gustnado, which caused minor damage to baseball stands.
Flood Flood
The Tualatin River near Farmington (FRMO3) rose above flood stage around 1400PST, crested at 32.6 feet, the fell below flood stage at 1015PST on the 16th. Flood stage is 32.0 feet.
Flood Flood
Fanno Creek flooding SW North Dakota St. in Tigard.
Flood Flood
Road closure at SW 149th Ave. and SW Division St. near South Johnson Creek in Beaverton.
Flood Flood
The Tualatin River at Dilley (DLLO3) rose above flood stage at 2330PST on the 12th, crested at 18.09 feet, then fell below flood stage at 0330PST on the 14th. Flood stage is 17.5 feet.
Flood Flood
Washington county reported about 40 county roads were covered by water.
Tornado EF0 Tornado
Multiple greenhouse structures were damaged at a farm on Thatcher Road. Witness accounts also confirmed a tornado. The tornado was likely on the ground for about 30 seconds to 1 minute.
Lightning Lightning
Lightning struck three trees, causing two to explode. The third caught fire, then the top came crashing to the ground, landing on and damaging a deck attached to a house.
Hail Hail
Public reported on twitter hail. The picture included a photo next to a ruler showing hail close to 1 inch in diameter.
Thunderstorm Wind Thunderstorm Wind
Winds brought down power lines along Highway 47 between Tophill and Johnson Road.
Flood Flood
Heavy rain caused the Tualatin River near Farmington to flood. The river crested at 33.24 feet, which is 1.24 feet above flood stage.
Flood Flood
Heavy rain caused the Tualatin River near Dilley to flood. The river crested at 17.77 feet, which is 0.27 feet above flood stage.
Heavy Rain Heavy Rain
Portland Bureau of Transportation reported a landslide closed 1 lane on highway 26 near the Oregon Zoo, and another landslide near Skyline Blvd.
Flood Flood
Heavy rain resulted in flooding of the Tualatin River at Dilley. The Tualatin River reached flood stage at 730 AM on November 25th, and crested at 17.7 feet at 1215 PM on November 25th. The river dropped below flood stage at 640 PM on November 25.
Funnel Cloud Funnel Cloud
A funnel cloud was reported by the public near North Plains, OR.
Thunderstorm Wind Thunderstorm Wind
Straight line winds from a thunderstorm blew off a roof from an outbuilding at Ananda Laurelwood Retreat near Gaston.
Flood Flood
The Tualatin River flooded near Farmington and Dilley.
Flood Flood
Heavy rain resulted in flooding of the Tualatin River near Dilley. High water flooded local businesses and residences.
Heavy Rain Heavy Rain
Heavy rain combined with clogged drains resulted in small stream and urban flooding. There were 16 instances where water or agricultural debris needed to be cleared from roadways. At least two residential basements were flooded in Beaverton. A large basement of an office building…
Funnel Cloud Funnel Cloud
The NWS received several reports of a funnel cloud near Hillsboro in the afternoon, including one report from a county official.
Heavy Rain Heavy Rain
Heavy rain from thunderstorms was reported in Hillsboro, Banks, Forest Grove, Gaston, Cornelius, and Aloha. A member of the public reported on Facebook that 0.84 inches of rain fell in 30 minutes near Banks. There were several reports of ponding on highway 6 and highway 8 that re…
Heavy Rain Heavy Rain
A Tualtain news reporter witnessed sudden heavy rain cause standing water on roadways shortly before a member of the public reported flooding on the roads between Sherwood and Tualatin. The water on the roads was reported to be as high as a car's wheel well. The Washington County…
Heavy Rain Heavy Rain
Heavy rain from convective showers resulted in significant flooding near Beaverton. Flooding was reported of four homes, four apartments, several garages, the Winterhawks Skating Center, and a community pool. The city Public Works Director reported 2.3 inches of rain per hour, a …
Lightning Lightning
A tree hit by lightning fell and damaged two homes in Aloha.
Funnel Cloud Funnel Cloud
A funnel cloud was observed near the Hillsboro airport. The funnel cloud lasted for approximately 5 minutes.
Flood Flood
Heavy rain caused the Tualatin River at Dilley to overflow its banks causing flooding to surrounding areas. The Tualatin River crested at 17.6 feet on March 30th at 2 pm PST, 0.1 feet above flood stage.
Heavy Rain Heavy Rain
Thunderstorms produced very heavy rain in Beaverton in a short period of time. A spotter reported over one-half inch of rain in 30 minutes. The Washington County Sheriff Office reported Urban Flooding on several streets as well as Highway 217, which was shut down for a short time…
Heavy Rain Heavy Rain
An observer reported 1.68 inches of precipitation over the area during a 12 hour period.
Heavy Rain Heavy Rain
The equipment at the Hillsboro airport reported 1.32 inches of precipitation during a 12 hour period.
Flood Flood
A spotter reported hearing on police scanners of various road closures in portions of Hillsboro, including downtown, due to standing water.
Flood Flood
Minor road flooding was reported along Science Park Drive near the Hope Depot, with about 4 feet of water covering the road for about 1/10 of a mile. The road had been blocked off to traffic.
Thunderstorm Wind Thunderstorm Wind
Outside of Chapters Books and Coffee in Newberg, a tree with estimated diameter 10 to 12 inches was snapped in half. Also, numerous spotter reports just to the north and with similar conditions were reported.
Flood Flood
Heavy rain caused the Tualatin river to rise to flood stage.
Flood Flood
Heavy rain caused the Tualatin River near Dilley to spill over its banks which caused some flooding on rural roads and farm land.
Lightning Lightning
Firefighters responded to a greenhouse fire, which had been struck by lightning. The greenhouse was completely destroyed, but the nearby home was saved.
Funnel Cloud Funnel Cloud
Reported a funnel cloud that did not touch down. Report was called in to a local media outlet.
Heavy Rain Heavy Rain
Storm total precipitation was 7.65 inches.
Heavy Rain Heavy Rain
Storm total precipitation was 6.37 inches.
Heavy Rain Heavy Rain
Storm total precipitation was 4.48 inches.
Hail Hail
Hail Hail
Hail was reported in Beaverton near Cooper Mountain.
Flood Flood
The Tualatin River at Dilley crested at 17.6 feet on the 15th; flood stage for this river is 17.5 feet.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2024 | 2 | 0 |
| 2023 | 4 | 0 |
| 2022 | 1 | 0 |
| 2021 | 4 | 0 |
| 2019 | 1 | 0 |
| 2018 | 3 | 1 |
| 2017 | 4 | 0 |
| 2016 | 3 | 0 |
| 2015 | 7 | 0 |
| 2014 | 1 | 0 |
| 2013 | 2 | 0 |
| 2012 | 1 | 0 |
| 2011 | 1 | 0 |
| 2010 | 2 | 0 |
| 2009 | 5 | 0 |
| 2008 | 2 | 0 |
| 2007 | 6 | 0 |
| 2006 | 6 | 0 |
| 2005 | 1 | 0 |
| 2004 | 3 | 1 |
| 2003 | 8 | 0 |
| 2001 | 1 | 0 |
| 1999 | 1 | 0 |
| 1998 | 1 | 0 |
| 1993 | 1 | 0 |
| 1991 | 2 | 1 |
| 1968 | 1 | 1 |
| 1966 | 1 | 1 |
| 1963 | 1 | 0 |
| 1954 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Washington County, measured to its path.
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