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Okanogan County, Washington
Tornadoes, hail, floods and severe storms recorded here between 1973 and 2024, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
5
Tornado reports
36
Hail reports
79
Floods since 1996
231
All events
5
Deaths
$40.3M
Property damage
Tornado paths in Okanogan County
The part of each tornado’s path NOAA recorded in this county, 5 in all. Zoom in and the paths widen to their surveyed width.
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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.
The "Thirtymile" wildfire was in the mop-up stages on July 10 when excessively hot and dry conditions that afternoon caused the smoldering fire to blow up. The fire came roaring back to life, quickly spreading from 25 to 2,500 acres in just three hours. The quickly-spreading fire…
The rise on Osoyoos Lake, which has no official Flood Stage, began to flood properties and seep into homes around the lake shore beginning on May 9th. By the morning of the 10th flood waters had submerged Deep Bay Park and were flooding the basements and threatening the first flo…
The USGS River Gage on the Okanogan River at Tonasket recorded a rise above the Flood Stage of 15.0 feet at 4:45 AM PST on May 5th. The river continued to rise, passing through the Moderate Flood Stage of 17.0 Feet at 11:45 PM on May 7th and through the Major Flood Stage of 18.0 …
Areal Flooding, mudslides and debris flows in rough terrain plagued Okanogan County during the month of April as a result of saturated soil conditions brought on by periodic heavy rain and spring snow melt. At least 24 roads through out the county were closed or damaged by washou…
The "Rocky Hull" wildfire, which was sparked by lightning several days earlier and fanned by gusty winds, destroyed thirty-three homes in the Mount Hull area. One man suffered a heart attack and died while trying to, according to a newspaper article, "help his fellow residents" a…
Thunderstorms with around golf ball-size hail, high wind and heavy rain caused approximately $25 million in damage throughout the county. Heavy rain also damaged part of the cherry crop.
Thunderstorm Wind Thunderstorm Wind
Emergency Manager relays report that multiple trees are down in Oroville with damage to roof on at least one home. Oroville RAWS reported a gust of 55 MPH.
Thunderstorm Wind Thunderstorm Wind
Large tree downed near Oroville High School. Oroville RAWS reported a gust of 55 MPH.
Thunderstorm Wind Thunderstorm Wind
Multiple trees down and power poles snapped in the Wannacut Lake area. Oroville RAWS reported a gust of 55 MPH.
Thunderstorm Wind Thunderstorm Wind
Several neighbors lost trees, one orchard had several lines of trees go over, and lost power and internet. Oroville RAWS reported a gust of 55 MPH.
Debris Flow Debris Flow
Debris flow occurred on Davelaar Dr near Looney Creek as a result of heavy rain on the Cedar Creek burn scar. Time is estimated based on radar.
Flash Flood Flash Flood
Multiple reports of flash flooding two miles Northwest of Winthrop. Mud and debris on road reports for West Chewuch Road, Highway 20, and Wright Road. Methow Valley Airport recorded 0.9 of an inch fell in an hour and half.
Debris Flow Debris Flow
Slow moving thunderstorm over the Walker Creek Burn Scar near Bonaparte Lake Road brought a debris flow to the Lightning Creek area.
Thunderstorm Wind Thunderstorm Wind
Gust front caused roof to blow off of airplane hangar, destroyed a vintage airplane, took out power, and started a small power line fire. Other reports in the county included a carport roof blown off in Oroville, two foot diameter tree blown down, and downed power lines.
Debris Flow Debris Flow
Debris flow and flooding on lightning creek from walker creek burn scar from a thunderstorm rain event. Rain report of near an inch was received near Wauconda close to the area.
Flood Flood
Buzzard Lake Road closed from a mudslide on Neville Ridge. No rainfall reports in the area. Increased snow melt and rain showers likely cause of debris flow.
Flood Flood
Loup Loup Canyon road closed at rock lake road due to rocks and debris on the roadway. Raws located at 48.41361, -119.77361 did not record any precip.
Flood Flood
The Weeman Bridge in Mazama had water running over top.
Flood Flood
Broadway Street Bridge is closed due to water from North Fork Salmon Creek flowing over it. photos/videos from emergency manager. 5/4/23. Snow melt combined with near quarter of an inch of rain contributed to creek rise.
Debris Flow Debris Flow
Bonaparte Lake Road is impassable at MP 2.1 due to roadway washout. Time of report is when noticed.
Thunderstorm Wind Thunderstorm Wind
Lost Lake RAWS recorded wind gusts of 62 MPH.
Flood Flood
Water was over roadway along the Riverside Eastriverside Road.
Debris Flow Debris Flow
Peter Dan road closed after hillside sloughed onto road half a mile from Highway 155.
Debris Flow Debris Flow
Heavy rain over the Cedar Creek Burn Scar caused a debris flow over Highway 20 near Mazama. Observations in the near the site in Mazama showed precip amounts half an inch in hour and three quarters of inch in 24 hours.
Hail Hail
Thunderstorm recorded one inch hail. It formed South of Lake Omak around 1835PST and moved North toward Omak. It lasted until 1940PST. Time is estimated by radar. No damage or injuries reported.
Flash Flood Flash Flood
Heavy rain induced landslide reported near Dead Horse Point on nf-5400. There were no observations directly in the in area. The observations in the general area showed amounts of half an inch.
Hail Hail
A thunderstorm developed near Havillah and traveled Northeast into Canada. Public reported 1 inch hail near Chesaw, WA at 1730PST.
Flash Flood Flash Flood
Evacuations ongoing along the north fork Salmon Creek road, with the bridge on north side of town overtopped with water. Several people are trapped in Kerr campground from flash flooding of the north fork of the Salmon river. North fork salmon creek road washed out in multiple lo…
Flash Flood Flash Flood
Andrews creek flooded with water, mud, and debris covering west Chewuch road. people trapped near the Andrews creek trail area. Wolf creek road flooded with rocks, mud, and debris on the road. Goat creek road flooded with rocks and debris on the roadway. Doe creek out of its bank…
Hail Hail
Hail reported in the Omak Flats area.
Heavy Rain Heavy Rain
Pole pick mountain gauge recorded 1.18 of rain in one hour.
Heavy Rain Heavy Rain
Leecher raws recorded 0.57 of rain in 2 hours.
Heavy Rain Heavy Rain
Loup Loup rain gauge recorded 0.94 of rain in 2 hours.
Flash Flood Flash Flood
Flash flooding reported near and north of Elmer City. Route 155 was closed near the Elmer City access road.
Thunderstorm Wind Thunderstorm Wind
Downed pole and wires reported near state route 155.
Flash Flood Flash Flood
Heavy rain over the Walker Creek Burn Scar created a debris flow. The radar estimated precipitation rates of 2-3.5 inches were observed close to the location of flash flooding on Bonaparte Lake Road. Three homes and several vehicles were damaged. Power outage lasted around 4 hour…
Flood Flood
There was a minor flood on the Okanogan River with a majority of the flood impacts found north of Tonasket. In this area, the flood plain is wide and flood water is able to spread. This includes a lot of pasture land or swampy areas near the river. In Ellisforde, there was a farm…
Flood Flood
The Similkameen River, near Nighthawk and Oroville, reached minor flood stage on November 16th. There were post-flood surveys completed that found several properties damaged due to flooding. The flood impacted pasture land, structures, and crops both upstream and downstream of th…
Debris Flow Debris Flow
Heavy rainfall, with reports of 0.40 - 0.50 in one hour, occurred in the early evening hours of August 20th outside the town of Conconully. The brief heavy rainfall lead to 4 to 6 inches of debris flow on the roadway. Some local observation sites reported a total 0.75 - 1.25 of r…
Debris Flow Debris Flow
A rock slide blocked both lanes of State Route 20 near mile post 166, two miles west of Cutthroat Creek Road. Heavy rain in the area lead to the slide and water over the roadway.
Debris Flow Debris Flow
The US Forest Service reported a debris flow that blocked the NF-4440 Road, one mile east of the Gilbert Trailhead. The flow was approximately four feet deep and stranded two cars overnight. Time is estimated based on radar.
Debris Flow Debris Flow
The Twisp River Road running through the Crescent Mountain Burn scar was cut by a debris flow after heavy overnight rain fell in the area.
Debris Flow Debris Flow
The Harts Pass Road was cut by a debris flow after heavy overnight rain fell in the area.
Thunderstorm Wind Thunderstorm Wind
The Aeneas RAWS station reported southwest winds of 37 mph sustained with a gust of 64 mph as a cold front passed through the region.
Thunderstorm Wind Thunderstorm Wind
The Oroville RAWS station reported west winds of 17 mph sustained with a gust of 61 mph as a thunderstorm passed through during the morning of June 25th.
Thunderstorm Wind Thunderstorm Wind
The Douglas Ingram Ridge RAWS station recorded a wind gust of 58 mph as thunderstorms moved through the area.
Thunderstorm Wind Thunderstorm Wind
A tree was toppled onto a house in Twisp by a thunderstorm wind gust.
Thunderstorm Wind Thunderstorm Wind
Numerous trees and power lines were toppled in the Mazama area due to thunderstorm wind gusts. At least 3 fires were reported to the emergency manager due to downed power lines in the Methow Valley.
Thunderstorm Wind Thunderstorm Wind
A member of the public reported a tree on a home near Omak.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2024 | 5 | 0 |
| 2023 | 12 | 0 |
| 2022 | 13 | 0 |
| 2021 | 5 | 0 |
| 2019 | 2 | 0 |
| 2018 | 26 | 0 |
| 2017 | 8 | 0 |
| 2016 | 17 | 0 |
| 2015 | 9 | 0 |
| 2014 | 12 | 0 |
| 2013 | 9 | 0 |
| 2012 | 14 | 0 |
| 2011 | 11 | 0 |
| 2010 | 6 | 0 |
| 2009 | 2 | 0 |
| 2008 | 13 | 0 |
| 2006 | 21 | 0 |
| 2005 | 1 | 0 |
| 2004 | 3 | 0 |
| 2003 | 1 | 0 |
| 2002 | 1 | 0 |
| 2001 | 5 | 0 |
| 2000 | 4 | 0 |
| 1999 | 4 | 0 |
| 1998 | 8 | 0 |
| 1997 | 8 | 3 |
| 1996 | 2 | 0 |
| 1995 | 1 | 0 |
| 1994 | 1 | 0 |
| 1992 | 2 | 0 |
| 1991 | 1 | 0 |
| 1987 | 1 | 1 |
| 1982 | 2 | 1 |
| 1973 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Okanogan County, measured to its path.
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