Grand Ronde Valley storm history
Storm events recorded in Grand Ronde Valley, Oregon between 1950 and 2025.
144
Total events
0
Tornadoes
0
Hail
0
Floods
2
Deaths
$501K
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The La Grande AWOS and an AGRIMET station near Imbler recorded overnight lows of -25.
Frost/Freeze Frost/Freeze
The La Grande ASOS reported freezing and subfreezing temperatures between 5 am and 7:30 am. Co-op station D6879 in Union, OR read similar values as well.
Strong Wind Strong Wind
The La Grande ASOS reported wind gusts in the low to mid 50 mph range at times between 3 pm and 6 pm on Sept 25th. A member of the public reported that a metal shed had been blown over onto its roof, with the frame and walls bent due to the strong wind gusts.
Winter Storm Winter Storm
A trained spotter 4 miles north northwest of Island City measured 13 inches of new snow at 0904 PST on Jan. 12th. A public report from Elgin indicated 16 inches of storm total snow had fallen at 2200 PST on Jan. 13th. A public report from La Grande indicated 12 inches of storm to…
Heavy Snow Heavy Snow
The Cocorahs observer in Elgin recorded 6.7 inches of new snow in 36 hours ending at 0730 PST on Jan. 10th. A trained spotter 5 miles north of La Grande recorded 9 inches of storm total snow at 0906 PST on Jan. 10th.
High Wind High Wind
La Grande/Union County Airport recorded max wind gust of 63 mph, and ODOT sensor at Charles Reynolds Rest Area along I-84 in Ladd/Pyles Canyon recorded a max wind gust of 63 mph.
Frost/Freeze Frost/Freeze
AWOS KLGD recorded temperatures at or below 32 degrees for about 3 hours starting at 0410 PDT. The mesonet station CW9803 Elgin reported temperature at or below 32 degrees for over 5 hours starting at 0245 PDT. The mesonet station EW1076 Imbler reported temperatures at or below 3…
Excessive Heat Excessive Heat
Calculated heat risk values at the La Grande, OR GHCN site recorded temperatures that met or exceeded excessive heat warning criteria on July 16th.
Frost/Freeze Frost/Freeze
The La Grande/Union County Airport ASOS recorded temperatures at or below freezing between 0610 PDT and 0810 PDT. The CWOP station CW9803 recorded temperatures at or below freezing between 0610 PDT and 0820 PDT.
Excessive Heat Excessive Heat
Calculated heat risk values at the La Grande GHCN site recorded consecutive days between Aug. 18th and 19th of temperatures that met or exceeded excessive heat warning criteria.
Heavy Snow Heavy Snow
A social media report indicated 11 inches of new snow had fallen in Summerville, OR at 2132 PST on Jan. 5th. A Co-op observer 1 mile ENE of Cove, OR measured 5 inches of new snow in a 24 hour period ending at 0900 PST on Jan. 6th.
High Wind High Wind
The AWOS station KLGD measured a peak wind gust of 63 MPH at 0748 PST on Jan. 2nd. The mesonet station DW6879 1 mile south of Union, OR measured a peak wind gust of 62 mph at 0800 PST on Jan. 3rd.
Heavy Snow Heavy Snow
Via a social media report from La Grande, OR, 13 inches of new snow was measured at 0653 PST on Dec. 31st. A CO-OP observer in Cove, OR measured 9.4 inches of new snow at 0800 PST on Dec. 31st.
Excessive Heat Excessive Heat
Calculated heat risk values at a GHCN in La Grande, OR recorded consecutive days between June 29th through July 2nd of temperatures that met or exceeded excessive heat warning criteria.
Excessive Heat Excessive Heat
Calculated heat risk values at a GHCN in La Grande, OR recorded consecutive days between June 29th through July 2nd of temperatures that met or exceeded excessive heat warning criteria. The ASOS at the La Grande/Union County Airport recorded consecutive days of daily highs at or …
Heavy Snow Heavy Snow
A social media report originating in Cove, OR reported 10.2 inches of snowfall at 856am PST on Feb. 27th. A trained spotter 5 miles NNE of La Grande, OR reported 8 inches of snowfall at 955am PST on Feb. 26th.
Heavy Snow Heavy Snow
Social Media report of 16 inches of snow in La Grande.
Heavy Snow Heavy Snow
A Co-Op Observer in Cove, OR measured 6.4 inches in a 24 hour period ending at 9:00am PST on Feb. 13th with a 9 inch total snow depth. A social media report originating from Union, OR indicated an estimated 6 inches of snowfall in a 24 hour period ending at 8:20am PST on Feb. 13t…
Heavy Snow Heavy Snow
New snow of 17.5 inches 5 NNE La Grande and 26.5 inches 1 NNW La Grande. Widespread snow amounts above 10 inches.
Heavy Snow Heavy Snow
New snow of 11.5 inches in Summerville. Widespread snow accumulations of 5-6 inches throughout the valley.
High Wind High Wind
Peak wind gust measured at La Grande AWOS.
Blizzard Blizzard
Blizzard conditions with winds 50-55 mph and low visibilities 2 NW of Union and 1 SW of Union.
Heavy Snow Heavy Snow
Heavy Snow Heavy Snow
Heavy Snow Heavy Snow
Heavy Snow Heavy Snow
Heavy Snow Heavy Snow
Heavy Snow Heavy Snow
Trained spotters reported 7 inches of new snow just north of Elgin and 5.8 inches near La Grande.
High Wind High Wind
Dust Storm Dust Storm
Report of a dust storm in the Grande Ronde valley posted on the NWS Pendleton Facebook page. Dust storm reduced visibility in the Cove area to 500 yards or less. Report received at 715 PM PDT (1815 LST). Blowing dust also occurred at and around the La Grande airport where sustain…
Heavy Snow Heavy Snow
Estimated 6 inches of snow at Island City in Union county.
Blizzard Blizzard
Winds of 41-47 mph with gusts to 64 mph caused reduced visibilities to around 1/4 mile in blowing snow between 645 and 725 PM at the La Grande airport in Union county.
High Wind High Wind
Southwest winds of 50 mph gusting to 83 mph at 4 PM on the 17th, 5 west-northwest of Union in Union county. Winds gusting from 55 to 75 mph since 130 PM.
Heavy Snow Heavy Snow
Measured snow fall of 6 inches at Imbler, in Union county. Snow drifts up to 4 feet in depth.
Heavy Snow Heavy Snow
Measured heavy snow accumulation of 12 inches, 3 miles north of Elgin. Measured amount averaged due to snow drifts of 2 feet.
Heavy Snow Heavy Snow
Measured heavy snow accumulation of 6.5 inches since the evening of the 14th, 5 miles north-northeast of La Grande.
Heavy Snow Heavy Snow
Heavy Snow Heavy Snow
High Wind High Wind
Heavy Snow Heavy Snow
High Wind High Wind
High Wind High Wind
Heavy Snow Heavy Snow
High Wind High Wind
High Wind High Wind
Heavy Snow Heavy Snow
Heavy Snow Heavy Snow
High Wind High Wind
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 1 | 0 |
| 2024 | 4 | 0 |
| 2023 | 3 | 0 |
| 2022 | 4 | 0 |
| 2021 | 6 | 0 |
| 2020 | 2 | 0 |
| 2019 | 8 | 0 |
| 2018 | 2 | 0 |
| 2017 | 4 | 0 |
| 2016 | 2 | 0 |
| 2015 | 1 | 0 |
| 2014 | 3 | 0 |
| 2013 | 3 | 0 |
| 2012 | 5 | 0 |
| 2011 | 3 | 0 |
| 2010 | 7 | 0 |
| 2009 | 2 | 0 |
| 2008 | 8 | 0 |
| 2007 | 8 | 0 |
| 2006 | 4 | 0 |
| 2005 | 9 | 0 |
| 2004 | 17 | 0 |
| 2003 | 5 | 0 |
| 2002 | 12 | 0 |
| 2001 | 10 | 0 |
| 2000 | 10 | 0 |
| 1999 | 1 | 0 |