Wallowa County, Oregon
Tornadoes, hail, floods and severe storms recorded here between 1956 and 2024, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
7
Tornado reports
39
Hail reports
19
Floods since 1996
96
All events
0
Deaths
$26.4M
Property damage
Tornado paths in Wallowa County
The part of each tornado’s path NOAA recorded in this county, 7 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.
Hail Hail
A social media report from Lostine, Oregon indicated that hail stones up to 1.25 inches in size fell around 1627 PDT. A trained spotter 1 mile west northwest of Lostine reported hail stones to the size of 1 inch around 1628 PDT.
Thunderstorm Wind Thunderstorm Wind
Public reported several downed trees and power outages. Wind speed estimated from damage.
Thunderstorm Wind Thunderstorm Wind
Social media reported a large tree down in Imnaha with power outages. Wind gust of 56 mph measured from co-op observer.
Hail Hail
A thunderstorm developed over the Wallowa Mountains late in the afternoon of April 14, moving northwest into more populated areas of the Wallowa Valley, such as Joseph and Lostine.
A trained spotter in Wallowa, OR reported a severe thunderstorm that was producing hailstones the size of tennis balls. Reports and pictures received from the public also indicated that hail had damaged the sidings of windows of homes, as well as damaging the panels and windows o…
Hail Hail
Nickle to quarter size hail covering the ground in Joseph.
Flood Flood
Flood stage is 10.0 feet. The river rose above flood stage on February 7, at 125 am, crested at 11.73 feet on February 7, 1015 am, then fell below flood stage on February 8, at 430am. There was moderate flooding along the Grande Ronde River from Troy downstream to the Washington …
Flood Flood
Field and roadway flooding was seen along the Grande Ronde River and numerous other small streams with significant snowmelt and heavy rain.
Hail Hail
Largest hail estimated at 1 inch in diameter near Imnaha in Wallowa county.
Flash Flood Flash Flood
Run off and land slides damaged Imnaha Highway (Hwy 350) between mile posts 14 and 20. Road was closed and clean up continued into at least the next day. Rainfall south of Imnaha was as much as 0.87 inches over a one and a half hour period leading up to the flood.
Flood Flood
The Imnaha River at Imnaha had minor flooding early on May 6th, due to snow melt. The river crested at the flood stage of 5.5 feet early on May 6th.
Flood Flood
The Grande Ronde river at Troy (flood stage 10.0 feet) crested at 11.5 feet at 1000 on March 16, fell below flood stage and then rose again to 11.7 feet at 0100 on March 19th. River went below flood stage around 1400 on March 20th.
Thunderstorm Wind Thunderstorm Wind
Trained Spotter Estimated a 70 MPH wind gust.
Thunderstorm Wind Thunderstorm Wind
Public reported 12 large trees downed.
Hail Hail
Although this is reported as 1 inch hail, it was discovered 15 hours after the storm. Indicating this could have been much larger hail.
Hail Hail
Tornado EF0 Tornado
Photos of the tornado and information was submitted via email to us.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
ODOT reported trees down across Highway 350 at mile post 16.8.
Tornado EF0 Tornado
COOP observer sent in pictures and a brief video of the short lived tornado.
Hail Hail
Hail Hail
Hail Hail
Winds gusting to 40 mph preceded the hail.
Flood Flood
The Imnaha River at Imnaha crested at 5.94 feet on April 26 at 10:30 pm. Flood stage is 5.5 feet.
Hail Hail
Hail was followed by heavy rainfall.
Hail Hail
Hail Hail
Hail ranged from pea size up to quarter size. Also, .60 inch of rainfall in about 20 minutes and wind gusts to 30 mph.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm downed four large trees at the Scout Camp south of Wallowa Lake.
Flood Flood
Only minor flooding observed. The river at Troy crested at 10.3 which was .3 above flood stage.
Hail Hail
Hail of ping pong and golf ball size reported by the public and a spotter.
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Quarter sized hail covered the ground and chipped paint on car. Hail was accompanied by heavy rainfall.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds broke the 1.5 inch diameter top off a 10 year old maple tree. Winds accompanied by very heavy rainfall and hail.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Wallowa County dispatch reported a tree blown down on Highway 3 at milepost 30.
Flood Flood
The Grande Ronde River at Troy crested 10 pm on June 4 at 10.8 feet. Flood stage is 10.0 feet.
Flood Flood
The Imnaha River at Imnaha crested at 6.1 feet on June 4 at 730 pm. Flood stage is 5.5 feet.
Flood Flood
Flooding reported in the Minam area with emergency crews sandbagging local businesses and removing debris from surrounding area. A USGS river gauge was destroyed.
Hail Hail
Spotter reported the ground was white with hail and small branches were knocked down.
Heavy Rain Heavy Rain
Rainfall of 1.1 inches was measured in 20 minutes.
Hail Hail
In additon, heavy rain fell for almost 1 hour.
Hail Hail
Oregon Department of Fish and Wildlife reported nickel sized hail.
Tornado EF0 Tornado
Eyewitnesses saw the cover being ripped off the sewer ponds and rotating debris being blown into the air across the Wallowa Rover.
Funnel Cloud Funnel Cloud
Funnel Cloud Funnel Cloud
Flood Flood
The Imnaha River gage crested several times above flood stage with a peak of 6.26 on May 19.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2024 | 4 | 0 |
| 2022 | 1 | 0 |
| 2020 | 2 | 0 |
| 2019 | 1 | 0 |
| 2018 | 2 | 0 |
| 2017 | 2 | 0 |
| 2016 | 6 | 1 |
| 2013 | 2 | 1 |
| 2012 | 4 | 0 |
| 2011 | 6 | 0 |
| 2010 | 11 | 0 |
| 2009 | 5 | 1 |
| 2008 | 3 | 0 |
| 2006 | 9 | 1 |
| 2004 | 7 | 0 |
| 2003 | 4 | 0 |
| 2002 | 5 | 0 |
| 2001 | 5 | 0 |
| 2000 | 2 | 0 |
| 1999 | 2 | 0 |
| 1998 | 4 | 0 |
| 1992 | 1 | 1 |
| 1988 | 1 | 0 |
| 1987 | 1 | 0 |
| 1969 | 1 | 1 |
| 1968 | 2 | 1 |
| 1963 | 1 | 0 |
| 1956 | 2 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Wallowa County, measured to its path.
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