Lower Chehalis Valley Area storm history
Storm events recorded in Lower Chehalis Valley Area, Washington between 1950 and 2025.
15
Total events
0
Tornadoes
0
Hail
0
Floods
2
Deaths
$3.8M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Several roads were blocked by fallen trees west of Montesano. One man died in Montesano when his oxygen supply failed because of a power outage.
A McCleary man was killed when a tree fell onto a trailer he was sleeping in. A roof blew off a 3 story building in Montesano.
Winter Weather Winter Weather
Report of 5 inches of snow 5 miles NNW of Grand Mound in Thurston County via a trained spotter.
Heat Heat
Observations around the Lower Chehalis Valley recorded well above normal temperatures for the month of May, with highs ranging from the upper 80s to low to mid 90s.
Winter Weather Winter Weather
A period of winter weather set in at the beginning of December, generally resulting in an average of 1 inch of new snow Dec 1-3.
Winter Weather Winter Weather
Late season snow event across portions of the lowlands of Western Washington near mid April. A strong storm system moving into Oregon carried enough moisture north of it to bring accumulating snow to portions of the Lower Chehalis Valley. Areas of the city of Chehalis reported ar…
Heavy Snow Heavy Snow
A winter storm brought heavy snow to the Lower Chehalis Valley Area, resulting in generally 8-12 inches of new snow accumulation.
Heat Heat
A stretch of unusually warm weather affected the Lower Chehalis valley in mid August. Temperatures ranged from the upper 90s to low 100s during the event. A record high temperature of 101 was set on both August 12 and August 13, per a source sited from Elma, WA. Low temperatures …
Winter Storm Winter Storm
Significant snowfall impacted the Lower Chehalis Valley beginning during the late afternoon and early evening hours of February 12 and continuing through the overnight period into February 13. Snowfall amounts during this general timeframe ranged from between 5-9 inches. Snow gra…
Heavy Snow Heavy Snow
There were reports of 4-6 inches.
Heavy Snow Heavy Snow
There were reports of 4-5 inches.
Wildfire Wildfire
The Deckerville Fire in rural western Mason County destroyed 8 homes.
Heavy Snow Heavy Snow
Numerous heavy snow reports from NWS spotters and mesonet sources of 10 to 14 inches of snow over a large portion of the zone.
Heavy Snow Heavy Snow
Several reports of 4+ inches during 12 hour period ending 10 pm Jan 14.
Heavy Snow Heavy Snow
Snowfall of 5-8 inches was reported.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2024 | 1 | 0 |
| 2023 | 1 | 0 |
| 2022 | 2 | 0 |
| 2021 | 3 | 0 |
| 2019 | 2 | 0 |
| 2015 | 1 | 0 |
| 2012 | 2 | 0 |
| 2008 | 1 | 0 |
| 2007 | 1 | 0 |
| 2006 | 1 | 0 |