Storm History: Multnomah County, Oregon
Every storm the National Weather Service has filed in Multnomah County, Oregon: 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
- 122
- Deaths
- 25
- Injuries
- 8
- Damage
- $3.9 million
- Episodes
- 90
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 |
|---|---|---|---|---|
| Flood | 20 | 0 | 2 | $3.1 million |
| Heavy Rain | 19 | 0 | 0 | $241,000 |
| Debris Flow | 13 | 2 | 1 | $39,000 |
| Thunderstorm Wind | 12 | 2 | 3 | $62,000 |
| Tornado | 10 | 0 | 0 | $320,000 |
| Hail | 7 | 0 | 0 | $10,000 |
| Heavy Snow | 7 | 0 | 0 | |
| Ice Storm | 7 | 0 | 0 | $100,000 |
| Funnel Cloud | 6 | 0 | 0 | |
| Frost/Freeze | 5 | 0 | 0 | |
| Lightning | 4 | 0 | 1 | $2,000 |
| Excessive Heat | 4 | 8 | 0 | |
| Flash Flood | 3 | 0 | 0 | |
| Heat | 3 | 12 | 0 | |
| High Wind | 1 | 0 | 0 | |
| Cold/Wind Chill | 1 | 1 | 1 |
The deadliest
The costliest
Damage within this county, in the dollars of its year.
- Flood, December 7, 2015
- Flood, December 8, 2015
- Flood, December 17, 2015
- Tornado, April 5, 1972
- Heavy Rain, October 31, 2015
- Ice Storm, February 13, 2025
- Thunderstorm Wind, June 19, 2005
- Heavy Rain, June 10, 2022
- Debris Flow, January 10, 2021
- Flood, September 28, 2013
- Heavy Rain, October 14, 2016
- Tornado, November 12, 1991
- Tornado, July 1, 2019
- Thunderstorm Wind, May 18, 2014
- Tornado, September 8, 2019
- Tornado, October 28, 2018
- Heavy Rain, March 15, 2015
- Hail, May 2, 2007
- Hail, July 12, 2007
- Tornado, September 28, 2007
The largest hail
The largest stone in each episode, which may have fallen in a neighboring county of the same episode.
The strongest tornadoes
Every episode, newest first
- Excessive Heat, June 13, 2026
- Heavy Snow, January 6, 2026
- Excessive Heat, August 22, 2025
- Excessive Heat, August 10, 2025
- Debris Flow, March 14, 2025
- Flood, February 23, 2025
- Heavy Snow, February 15, 2025
- Ice Storm, February 13, 2025
- Cold/Wind Chill, February 2, 2025
- Heavy Snow, December 28, 2024
- Heavy Snow, December 25, 2024
- Heavy Snow, December 15, 2024
- Heavy Snow, November 17, 2024
- Heat, July 5, 2024
- Heavy Snow, April 28, 2024
- Frost/Freeze, April 16, 2024
- High Wind, March 9, 2024
- Debris Flow, December 3, 2023
- Funnel Cloud, October 16, 2023
- Debris Flow, June 11, 2022
- Heavy Rain, June 10, 2022
- Funnel Cloud, April 13, 2022
- Debris Flow, January 6, 2022
- Flood, November 11, 2021
- Thunderstorm Wind, November 6, 2021
- Debris Flow, January 10, 2021
- Debris Flow, December 19, 2020
- Heavy Rain, September 23, 2020
- Thunderstorm Wind, September 28, 2019
- Tornado, September 8, 2019
- Tornado, July 1, 2019
- Debris Flow, February 10, 2019
- Debris Flow, December 11, 2018
- Tornado, October 28, 2018
- Heavy Rain, September 12, 2018
- Flash Flood, May 4, 2017
- Heavy Rain, February 5, 2017
- Heavy Rain, October 15, 2016
- Heavy Rain, October 14, 2016
- Funnel Cloud, May 19, 2016
- Flood, December 17, 2015
- Flood, December 8, 2015
- Flood, December 7, 2015
- Heavy Rain, October 31, 2015
- Heavy Rain, March 15, 2015
- Heavy Rain, October 22, 2014
- Thunderstorm Wind, May 18, 2014
- Flood, September 28, 2013
- Flood, January 18, 2012
- Thunderstorm Wind, July 25, 2011
- Debris Flow, June 6, 2010
- Flood, November 7, 2009
- Tornado, June 4, 2009
- Debris Flow, January 1, 2009
- Lightning, July 2, 2008
- Hail, May 24, 2008
- Flood, December 1, 2007
- Tornado, September 28, 2007
- Hail, July 12, 2007
- Hail, May 2, 2007
- Flood, January 2, 2007
- Heavy Rain, November 2, 2006
- Hail, May 21, 2006
- Debris Flow, August 29, 2005
- Thunderstorm Wind, June 19, 2005
- Flash Flood, August 24, 2004
- Heavy Rain, January 27, 2004
- Heavy Rain, December 12, 2003
- Funnel Cloud, May 17, 2003
- Heavy Rain, March 20, 2003
- Heavy Rain, March 7, 2003
- Heavy Rain, January 29, 2003
- Heavy Rain, February 22, 2002
- Heavy Rain, August 22, 2001
- Thunderstorm Wind, May 14, 2001
- Hail, April 28, 2001
- Lightning, August 30, 1999
- Lightning, August 6, 1999
- Hail, August 4, 1999
- Lightning, February 8, 1999
- Funnel Cloud, October 25, 1996
- Funnel Cloud, October 18, 1996
- Thunderstorm Wind, March 9, 1995
- Thunderstorm Wind, April 4, 1992
- Tornado, November 12, 1991
- Hail, July 31, 1991
- Tornado, April 9, 1991
- Tornado, April 5, 1972
- Thunderstorm Wind, March 23, 1958
- Thunderstorm Wind, July 13, 1957
More
Tornadoes in Multnomah CountyEvery warning in Multnomah County since 1986Every county in Oregon
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.