Storm History: Mason County, Washington
Every storm the National Weather Service has filed in Mason County, Washington: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.
The record
- Events
- 17
- Deaths
- 1
- Injuries
- 1
- Damage
- $18 million
- Episodes
- 17
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Every year
By kind of event
Counted under the kind that heads each episode.
| Kind of event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Heavy Rain | 7 | 0 | 0 | $16 million |
| Debris Flow | 3 | 1 | 0 | $1.6 million |
| Lightning | 2 | 0 | 1 | $72,000 |
| Flood | 2 | 0 | 0 | $14,000 |
| Hail | 1 | 0 | 0 | |
| Tornado | 1 | 0 | 0 | $150,000 |
| High Wind | 1 | 0 | 0 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Heavy Rain, March 1, 1999
- Heavy Rain, March 25, 1999
- Debris Flow, January 7, 2009
- Heavy Rain, January 5, 2006
- Debris Flow, December 12, 2010
- Heavy Rain, October 20, 2003
- Tornado, October 18, 2019
- Lightning, July 5, 1997
- Debris Flow, December 2, 2007
- Flood, January 2, 2021
- Flood, January 12, 2021
- Lightning, September 5, 2013
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
Every episode, newest first
- High Wind, February 24, 2025
- Flood, January 12, 2021
- Flood, January 2, 2021
- Tornado, October 18, 2019
- Lightning, September 5, 2013
- Debris Flow, December 12, 2010
- Debris Flow, January 7, 2009
- Debris Flow, December 2, 2007
- Heavy Rain, January 5, 2006
- Heavy Rain, October 20, 2003
- Heavy Rain, November 13, 2001
- Heavy Rain, August 21, 2001
- Heavy Rain, March 25, 1999
- Heavy Rain, March 1, 1999
- Lightning, July 5, 1997
- Heavy Rain, April 23, 1996
- Hail, October 22, 1985
More
Tornadoes in Mason CountyEvery warning in Mason County since 1986Every county in Washington
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.