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Jefferson County, Washington severe weather history spans 16 recorded events between 1999 and 2025. The dominant hazard is heavy rain, accounting for 50.0% of all recorded events. It ranks #3,167 nationally and #35 in Washington.
16
Recorded events
1
Direct deaths
0
Direct injuries
$11.5M
Property damage
The record
What the Jefferson County, Washington severe weather history record shows
Across the archive, Jefferson County, Washington severe weather history averages 0.6 recorded events a year. The busiest stretch on record is the 2000s, with 7 events logged in that decade alone.
The deadliest hazard in the Jefferson County, Washington record is heavy rain, responsible for 1 direct deaths. The costliest is heavy rain, with $10.2M in reported property damage. In total, 4 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Jefferson County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Heavy Rain | 8 | 1 | $10.2M | 0 | 1999–2025 |
| Flood | 4 | 0 | $1.1M | 0 | 2014–2021 |
| Lightning | 3 | 0 | $30K | 0 | 1999–2012 |
| Debris Flow | 1 | 0 | $150K | 0 | 2015–2015 |
Decade by decade
Jefferson County, Washington severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Significant events
Deadliest events on record in Jefferson County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Aug 21, 2001 | Heavy Rain | COUNTYWIDE | 1 | 0 | $0 |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Olympic National Park received about 36 inches of rain from Nov 2nd through the 11th. That rainfall, plus help from some strong winds, caused damage to roads, bridges and trails. A 75 foot section of road, 25 feet deep, was washed away along with adjacent power lines.
Fire District 4 suffered major flood damage to Station 42, near the Duckabush River. The station is reported to be a total loss (at one point fire personnel measured more than 5 feet of water in the station ��� with fire apparatus still inside) The loss of the station and equipment is estimated at nearly $200,000. About 6 homes in the area suffered damage.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
33,577
Population (ACS)
$535K
Median home value
30
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Apr 7, 2026 | Flood | SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
| Dec 12, 2025 | Flood | SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES | EM |
| Apr 28, 2024 | Severe Storm | SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
| Jan 12, 2023 | Severe Storm | SEVERE WINTER STORM, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
| Mar 29, 2022 | Flood | SEVERE WINTER STORMS, SNOWSTORMS, STRAIGHT-LINE WINDS, FLOODING | DR |
| Jan 5, 2022 | Flood | SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
Quick answers
Frequently asked
How many severe weather events have been recorded in Jefferson County, Washington?
16 events are on record between 1999 and 2025, causing 1 direct deaths and $11.5M in property damage.
What is the most common severe weather hazard in Jefferson County?
Heavy Rain, with 8 recorded events — 50.0% of everything in the archive for this county.
How many federal disaster declarations cover Jefferson County?
30 federal disaster declarations from FEMA include Jefferson County, each tied to a specific incident period.
How risky is Jefferson County compared with the rest of the country?
FEMA's National Risk Index rates Jefferson County as relatively low risk, placing it in the 64 percentile of its state for expected annual loss.
Where does the Jefferson County, Washington severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Island County 6
- King County 82
- Grays Harbor County 31
- Kitsap County 17
- Grant County 82
- Kittitas County 41
Cite this page
“Jefferson County, Washington.” Severe Weather History. severeweatherhistory.com/county/washington/jefferson-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.