Clackamas County, Oregon
Tornadoes, hail, floods and severe storms recorded here between 1957 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
8
Tornado reports
14
Hail reports
39
Floods since 1996
109
All events
6
Deaths
$24.3M
Property damage
Tornado paths in Clackamas County
The part of each tornado’s path NOAA recorded in this county, 8 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.
Strong showers developed with small, but accumulating hail. There was a report of a head on collision with one fatality that likely occurred due to the hail storm. Oregon 211 Highway was closed for 3 hours.
Heavy rain caused a three-car accident at mile post 3 on Highway 211/Molalla Road in Clackamas County. One person died in the crash.
Heavy rain resulted in the Sandy River to rapidly rise. A foot bridge near Ramona Falls broke loose sending a man into the turbulent waters. The man drowned in the river.
A severe thunderstorm moved through the area, producing strong winds, 3/4 inch hail, and downed a few trees. Approximately 30,000 people in the Portland metro area lost power due to downed power lines. Near Tualatin, a man was killed after a limb blown down by strong winds fell o…
Heavy rain combined with snowmelt runoff caused the Clackamas river to overflow its banks and floods areas near Estacada. Flood waters submerged 11 pumps in the waste water treatment plant in Estacada. The water water treatment plant was out of commission for 2 weeks. Significant…
Heavy rain combined with snowmelt runoff resulting in the flooding of the Sandy River. The Sandy River at Bull Run crested at 21.8 feet (61,600 cfs) on January 16th at 21:48 PST. This was the third highest flow on record.
Oregon Department of Transportation reported approximately nine million dollars in damage to roads during the January 15 - 16 winter storm. The heaviest damages to roads were in the Welches, Zigzag, and Lolo Pass area of Clackamas County.
The Sandy River near Bull Run crested at flood stage of 19.3 on November 7th.
A golfer was struck by lightning around 2:47 pm on Saturday, June 27, 2026 at The Oregon Golf Club in West Linn, Oregon in Clackamas County. When firefighters arrived, the man had one entry wound and two exit wounds from the bolt. He was taken to the Emmanuel Burn Center by ambul…
Funnel Cloud Funnel Cloud
Multiple videos of a funnel cloud reported by the public near north of Mollala, OR near Liberal, OR. There were no reports of damage.
Flood Flood
Pudding River at Aurora. Reached minor flood (22 ft) 2/25 2300 PST. Peaked at 23.04 ft 2/26 at 1500. Fell below flood 2/28 midnight.
Hail Hail
Photo emailed to us showed hail approximately one inch in diameter at the intersection of HWY 213 and Thomas Rd. Time estimated from Radar.
Thunderstorm Wind Thunderstorm Wind
Two downed trees on the road near Thomas Rd and Soda Springs Rd.
Hail Hail
Multiple reports of 1 to 1.5 inch hail from trained spotter and photographs on social media.
Flood Flood
Heavy rain and accumulating hail overwhelmed storm drains along Sunnyside Road near SE 117th Ave, leading to several inches of standing water on the road. Water was near the top of wheel wells of some vehicles.
Debris Flow Debris Flow
Heavy rains over an approximately 2 year old burn area (Riverside Fire) triggered a debris flow. This is reportedly to have occurred sometime on November 5th. The debris flow crossed Highway 224 at the junction with Indian Henry Road, near a bridge crossing the Clackamas River. A…
Tornado EF0 Tornado
A brief, weak tornado occurred on Saturday evening northeast of Cherryville, OR. Video confirmation was obtained, as well as a storm damage survey. It did cause damage to trees, powerlines, a vehicle, one residence, and small outbuildings. Estimated wind speeds of 75 to 85 mph wh…
Debris Flow Debris Flow
Heavy rain caused debris flow covering HWY 224 about 5 miles from Ripplebrook.
Heavy Rain Heavy Rain
Heavy rain caused a sewage overflow into the Willamette River in Milwaukie.
Lightning Lightning
Clackamas County Sheriff reported a call of lighting destroying a large tree near Canby, Oregon. Location of event is a guess.
Debris Flow Debris Flow
Oregon 99E was closed due to a rock fall which damaged a large truck. Around 2 to 3 inches of rain fell.
Flood Flood
The Clackamas River near Estacada (ESTO3) rose above flood stage at 0445PST, crested at 21.3 feet, then fell below flood stage at 1345PST. Flood stage is 20.0 feet.
Flood Flood
Road closure due to high water over Telford Road between Rugg Road and Sunshine Valley Road near Boring, OR.
Heavy Rain Heavy Rain
Rainfall total of 1.67 inches. Also measured a peak wind gust of 47 mph.
Heavy Rain Heavy Rain
Rainfall amounts of 1.86 inches.
Tornado EF0 Tornado
A tornado occurred in Damascus, Oregon just south of Hwy 212 between SE Tong Road and SE 232nd Drive. Damage occurred to numerous trees, mostly small and medium size branches. There were 5 trees (all pine or poplar) that were either snapped off or uprooted. The most significant p…
Thunderstorm Wind Thunderstorm Wind
Multiple large trees down in Molalla that fell on vehicles, fencing, and at least one home, seen on social media.
Flood Flood
The Clackamas river near Estacada crested at 21.0 feet around 5 PM, which is 1 foot above flood stage.
Flood Flood
Heavy rain caused the Clackamas River near Estacada to flood. The river crested at 21.40 feet, which is 1.40 ft above flood stage.
Heavy Rain Heavy Rain
Broadcast Media reported a landslide closed Highway 224 near Tong Road in Damascus in both directions following a weekend of heavy rain.
Heavy Rain Heavy Rain
Flooding in Milwaukie near Fuller Road displaced 7 people from their home. Also, in Gladstone, heavy rain pushed waste water levels to the point that raw sewage leaked into the Clackamas River.
Funnel Cloud Funnel Cloud
A funnel cloud reported by general public around Canby, OR.
Hail Hail
There was a report of 1 inch hail at the baseball field in Welches, Oregon associated with a thunderstorms that moved over the area.
Flood Flood
The Pudding River flooded near Aurora on the 18th, then remained near flood stage through December 24. The Clackamas River flooded near Estacada on December 18th.
Flood Flood
The Tualatin River at West Linn exceeded Flood stage.
Flood Flood
The Pudding River at Aurora exceeded flood stage and remained near flood stage for several days (through December 15th).
Flood Flood
Flooding of Johnson Creek and of the Clackamas River resulted in significant damage to businesses, homes, and vehicles in Milwuakie, Clackamas, Boring, Lake Oswego, and Happy Valley. Around 50 homes were evacuated and eight people were rescued. High water and debris flow closed s…
Flood Flood
The Clackamas River near Estacada reached flood stage of 20 feet at 830 AM PST on December 21st. The river crested at 20.27 feet at 1030 AM on December 21st, before dropping below flood stage at 2 pm.
Heavy Rain Heavy Rain
The Oregon Department of Transportation reported that heavy rain resulted in a rockslide that blocked Highway 99E in Oregon City.
Heavy Rain Heavy Rain
The Oregon Department of Transportation reported land and mud slides near Estacada, Oregon after 2 inches of rain fell over the past week. These slides closed Higway 226 near milepost 36 for several of days.
Hail Hail
A thunderstorm produced 1.5 inch diameter hail on Highway 26 around 3 miles west of Government Camp.
Hail Hail
Heavy rain and hail caused debris to cover part of the access road between Government Camp and the Timberline Lodge. The hail size was estimated.
Thunderstorm Wind Thunderstorm Wind
Ten or more trees down including one snapped 15 to 20 ft above ground level. Most of these were on side of the highway.
Flood Flood
Heavy rain caused the Pudding River at Aurora to overflow its banks and flood low lying areas. The Pudding River crested at 23.6 feet on January 22th at 10 pm PST, 1.6 feet above flood stage.
Flood Flood
Heavy rain caused the Clackamas River at Estacada to overflow its banks and flood low lying areas. The Clackamas River crested at 20.0 feet on January 20th at 9 pm PST, right at flood stage.
Flood Flood
Heavy rain caused the Pudding River at Aurora to overflow its banks and flood low lying areas. The Pudding River crested at 23.8 feet on April 1st at 8 pm PST, 1.8 feet above flood stage.
Flood Flood
Heavy rain caused the Clackamas River at Estacada to overflow its banks and flood low lying areas. The Clackamas River crested at 20.6 feet on March 30th at 5 pm PST, 0.6 feet above flood stage.
Flood Flood
Heavy rain combined with snowmelt runoff caused the Pudding River at Aurora to overflow its banks and flood low lying areas. The Pudding River crested at 23.0 feet on March 18th at 3 am PST, 1.0 feet above flood stage.
Flood Flood
Heavy rain combined with snowmelt runoff caused the Willamette River below the Falls at Oregon City to overflow its banks and flood low lying areas. The Willamette River crested at 29.1 feet on January 21st at 5 pm PST, 2.1 feet above flood stage.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 2 | 0 |
| 2025 | 3 | 0 |
| 2024 | 1 | 0 |
| 2023 | 1 | 0 |
| 2022 | 7 | 1 |
| 2021 | 1 | 0 |
| 2020 | 4 | 1 |
| 2019 | 3 | 0 |
| 2017 | 2 | 0 |
| 2016 | 3 | 0 |
| 2015 | 4 | 0 |
| 2014 | 4 | 0 |
| 2013 | 3 | 0 |
| 2012 | 11 | 0 |
| 2011 | 5 | 0 |
| 2009 | 8 | 1 |
| 2008 | 2 | 0 |
| 2007 | 7 | 0 |
| 2006 | 9 | 0 |
| 2005 | 8 | 0 |
| 2004 | 5 | 0 |
| 2003 | 6 | 0 |
| 2001 | 1 | 0 |
| 2000 | 2 | 2 |
| 1999 | 1 | 0 |
| 1998 | 2 | 1 |
| 1996 | 2 | 0 |
| 1984 | 1 | 1 |
| 1957 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Clackamas County, measured to its path.
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