Cowlitz County, Washington

County storm and disaster record · FIPS 53015 · population 110,649 · 1,141 sq mi

NOAA's Storm Events Database holds 488 records for Cowlitz County, Washington from 1950 through June 30, 2026, on 316 days; the most frequent are winter storm records (255 records). 429 of them are forecast-zone records, which the National Weather Service files once per zone: a county covered by several zones receives each one, so a single storm can add several records on the same day. The deadliest single record is the December 14, 2021 frost/freeze, filed for the forecast zone South Washington Cascades, which covers the county: 1 death, 1 injury and $22,000 in damage in 2025 dollars. FEMA has issued 23 declarations naming the county since 1964, 21 of them for natural hazards; the latest for a natural hazard was “Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides” on April 7, 2026.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
488on 316 days, 1950 to June 30, 2026
Deaths recorded
714 injuries
Damage, 2025 dollars
$1.4Bas filed (scale steps before 1993)
Tornadoes
5strongest EF1
FEMA declarations
23latest 2026

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Cowlitz County most?

The most frequent records are winter storm records: 255 since 1996. 51% of its winter storm records since 1996 fell in December and January. The rank column places the county among Washington's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Cowlitz County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Winter storms 255 160 1996-2026 0 6 $2.0M 6 of 39
High wind and dust storms 126 99 1998-2025 2 0 $1.1B 8 of 39
Floods 38 27 1996-2023 0 0 $291M 5 of 39
Heavy rain 16 12 2001-2017 0 4 $2.6M 6 of 39
Heat 12 7 2006-2022 2 1 – 17 of 39
Extreme cold 9 6 1998-2024 1 1 $22K 10 of 39
Wildfires 8 5 2008-2022 0 0 – 22 of 39
Landslides and avalanches 7 5 1997-2024 1 0 $97K 16 of 39
Tornadoes 5 5 1965-2024 0 0 $530K 6 of 39
Severe thunderstorm wind 4 4 1984-2021 0 0 – 23 of 39
Hail 3 3 2003-2022 1 1 $7K 22 of 39
Drought 2 2 2001-2005 0 0 – 8 of 39
Rip currents and high surf 1 1 2018-2018 0 0 – 5 of 39
Lightning 1 1 2019-2019 0 1 – 22 of 39
Fog, smoke and funnel clouds 1 1 2016-2016 0 0 – 27 of 39

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Cowlitz County had?

NOAA records 5 tornadoes in Cowlitz County from 1965 to 2024, the strongest rated EF1, with 0 deaths and 0 injuries recorded in the county. That is 6th of 39 Washington counties by days with tornadoes per 1,000 square miles since 1950. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 5 tornadoes whose track touched Cowlitz County since 1950 (NOAA's county records number 5, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Washington.

Every tornado record filed for Cowlitz County (5)
Every tornado recorded in Cowlitz County, newest first
DatePlaceCharacterKilledInjuredDamage
2024-10-28 Longview, Cowlitz County EF0 0.2 mi x 20 yd 0 0 –
2014-10-23 Longview, Cowlitz County EF1 1.3 mi x 66 yd 0 0 $227K
2004-06-06 Kalama, Cowlitz County F0 0.5 mi x 30 yd 0 0 $156
1985-03-28 Cowlitz County F1 0.2 mi x 20 yd 0 0 $25K step
1965-11-10 Cowlitz County F0 0 0 $25K step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Cowlitz County?

The most recent record with damage, injuries or deaths is the February 13, 2025 heavy snow (6 injuries and $44,000 in damage in 2025 dollars).

A trained spotter measured 3.5 inches of snow at 1800 2/13 with local storm reports indicating 2-3.5 inches of snowfall across the forecast zone. Additionally, due to the snow there was a 22 vehicle collision, involving multiple commercial vehicles & passenger cars in Lewis & Cowlitz Counties. 6 people were transported to 3 area hospitals.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1235769)
The 12 most recent records kept for Cowlitz County
DateRecordCharacterKilledInjuredDamage
2026-01-06 Heavy SnowSkamania County and 2 more · forecast zone South Washington Cascades 0 0 –
2025-11-05 High WindPacific County and 2 more · forecast zone Willapa Hills 52 kt wind 0 0 –
2025-03-19 Heavy SnowSkamania County and 2 more · forecast zone South Washington Cascades 0 0 –
2025-03-14 Heavy SnowSkamania County and 2 more · forecast zone South Washington Cascades 0 0 –
2025-03-12 Heavy SnowSkamania County and 2 more · forecast zone South Washington Cascades 0 0 –
2025-02-24 Heavy SnowSkamania County and 2 more · forecast zone South Washington Cascades 0 0 –
2025-02-24 High WindPacific County and 2 more · forecast zone Willapa Hills 63 kt wind 0 0 –
2025-02-15 Heavy SnowSkamania County and 2 more · forecast zone South Washington Cascades 0 0 –
2025-02-13 Heavy SnowCowlitz County · forecast zone Cowlitz County Lowlands 0 6 $44K
2025-02-03 Heavy SnowPacific County and 2 more · forecast zone Willapa Hills 0 0 –
2025-02-01 Heavy SnowPacific County and 2 more · forecast zone Willapa Hills 0 0 –
2025-01-30 Heavy SnowSkamania County and 2 more · forecast zone South Washington Cascades 0 0 –

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Records with deaths or injuries in Cowlitz County, most deaths first
DateRecordCharacterKilledInjuredDamage
2021-12-14 Frost/FreezeCowlitz County and Skamania County · forecast zone South Washington Cascades Rain and snow showers occurred overnight, with clearing skies and temperatures dipping to or below freezing in the morning. A vehicle, carrying high school students on their way to school, slid and crashed into a fence and a house around 8am in the morning. 1 1 $22K
2024-03-30 AvalancheSkamania County and 2 more · forecast zone South Washington Cascades Time of incident unknown, but it was daylight when the incident occurred so used sunrise to sunset times. 1 0 –
2022-05-19 HailLexington, Cowlitz County Washington State Patrol reported all lanes of I5 closed around exit 42 due to traffic accidents attributed to hail accumulating on pavement. Three to five vehicles involved in accidents. There was one fatality and one injury. Note: Hail size estimated from other reports in the region. 0.25 in hail 1 0 –
2021-06-26 Excessive HeatCowlitz County and Wahkiakum County · forecast zone Lower Columbia Very hot temperatures. There were three consecutive days with maximum temperatures greater than 100 degrees. Maximum temperatures were around 108 degrees on June 27 and June 28. There was one death reported due to heat related illness. 1 0 –
2016-08-18 Excessive HeatClark County and 2 more · forecast zone Southern Washington Cascade Foothills Temperatures around 100 degrees lead to people seeking relief at local rivers. One drowning was reported at Paradise Point State Park west of La Center during this hot spell. 1 0 –
2007-12-02 High WindCowlitz County and 2 more · forecast zone Southwest Interior Wind gust recorded at the Abernathy RAWS. NOTE: Damage estimates are for the entire Southwest Interior of Washington, and the majority of the damage occurred in the Wallapa Hills of Wahkiakum county. Other winds were also recorded at the Abernathy RAWS site. A woman, unknown age from Seaview, WA died when her house ... 68 kt wind 1 0 $199K
2006-02-03 Strong WindCowlitz County and 2 more · forecast zone Southwest Interior A strong winter storm brought high winds to portions of southwest Washington. Following are some high winds reported with this storm:Bay Center reported frequent gusts to 50 knotsOcean Park reported frequent gusts to 63 knotsToke Point reported 39 knots with gusts to 54 knotsTongue Point reported 35 knots with gusts ... 43 kt wind 1 0 $110K
2025-02-13 Heavy SnowCowlitz County · forecast zone Cowlitz County Lowlands A trained spotter measured 3.5 inches of snow at 1800 2/13 with local storm reports indicating 2-3.5 inches of snowfall across the forecast zone. Additionally, due to the snow there was a 22 vehicle collision, involving multiple commercial vehicles & passenger cars in Lewis & Cowlitz Counties. 6 people were ... 0 6 $44K
The costliest records in Cowlitz County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2020-09-08 High WindCowlitz County and Skamania County · forecast zone South Washington Cascades 58 kt wind 0 0 $1.1B
2020-09-17 FloodLongview, Cowlitz County 0 0 $285M
2015-12-08 High WindCowlitz County and 2 more · forecast zone Southwest Interior 65 kt wind 0 0 $7.5M
2015-12-08 FloodKelso, Cowlitz County 0 0 $2.6M
2015-12-08 Heavy RainLongview, Cowlitz County 0 0 $2.6M
2015-12-09 FloodCastle Rock, Cowlitz County 0 0 $2.2M
2015-12-21 High WindCowlitz County and Wahkiakum County · forecast zone Lower Columbia 58 kt wind 0 0 $1.3M
2008-12-20 Winter StormCowlitz County and 2 more · forecast zone Southwest Interior 0 0 $947K

Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $25K, in the dollars of the day) holds: November 10, 1965 (tornado, Cowlitz County); March 28, 1985 (tornado, Cowlitz County).

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Cowlitz County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Cowlitz County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Winter storms––––7938471
High wind and dust storms––––5386716
Floods––––81686
Heavy rain––––01330
Heat––––0426

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

51% of its winter storm records since 1996 fell in December and January. The two busiest months are in violet.

The values, month by month

Jan 98 · Feb 83 · Mar 50 · Apr 17 · May 2 · Jun 6 · Jul 8 · Aug 6 · Sep 13 · Oct 17 · Nov 62 · Dec 126 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Cowlitz County

FEMA's register lists 23 declarations that include Cowlitz County: 21 major disasters, 2 emergencies and 0 fire management assistance declarations. Most were for flood (11) and severe storm (6).

Declarations including Cowlitz County, newest first
DeclaredNumberTypeTitle
2026-04-07DR-4906FloodSevere Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides
2024-04-28DR-4775Severe StormSevere Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides
2022-03-29DR-4650FloodSevere Winter Storms, Snowstorms, Straight-Line Winds, Flooding
2021-04-08DR-4593Severe StormSevere Winter Storm, Straight-Line Winds, Flooding, Landslides, and Mudslides
2020-03-22DR-4481BiologicalCovid-19 Pandemic
2020-03-13EM-3427BiologicalCovid-19
2016-02-02DR-4253FloodSevere Winter Storm, Straight-Line Winds, Flooding, Landslides, Mudslides, and A T
2009-03-02DR-1825Severe StormSevere Winter Storm and Record and Near Record Snow
2009-01-30DR-1817FloodSevere Winter Storm, Landslides, Mudslides, and Flooding
2006-12-12DR-1671Severe StormSevere Storms, Flooding, Landslides, and Mudslides
2005-09-07EM-3227Coastal StormHurricane Katrina Evacuation
2001-03-01DR-1361EarthquakeEarthquake
1998-10-16DR-1255Mud/LandslideWa Landslide 3/6/98
1997-01-17DR-1159Severe StormSevere Winter Storms, Land & Muds Slides,Flooding
1996-02-09DR-1100FloodHigh Winds, Severe Storms and Flooding
1996-01-03DR-1079Severe StormSevere Storms, High Wind, and Flooding
1986-12-15DR-784FloodSevere Storms & Flooding
1986-03-19DR-762FloodHeavy Rains, Landslides & Flooding
1980-05-21DR-623Volcanic EruptionVolcanic Eruption, Mt. St. Helens
1977-12-10DR-545FloodSevere Storms,Mudslides, & Flooding
1975-12-13DR-492FloodSevere Storms & Flooding
1972-02-01DR-322FloodSevere Storms & Flooding
1964-12-29DR-185FloodHeavy Rains & Flooding

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Cowlitz County had?

NOAA's Storm Events Database holds 38 flood or flash flood records for Cowlitz County from 1996 to 2023, on 27 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Cowlitz County ranks 424th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $14.9 million on 684 claims filed in Cowlitz County; the most in one year was 168 in 1980. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1979: 1 · 1980: 168 · 1981: 6 · 1982: 11 · 1983: 16 · 1984: 2 · 1985: 1 · 1986: 56 · 1987: 4 · 1990: 3 · 1991: 2 · 1995: 32 · 1996: 162 · 1997: 6 · 1998: 8 · 1999: 3 · 2000: 1 · 2001: 3 · 2003: 10 · 2004: 2 · 2006: 21 · 2007: 4 · 2008: 4 · 2009: 78 · 2011: 4 · 2012: 3 · 2013: 3 · 2014: 6 · 2015: 30 · 2016: 1 · 2017: 6 · 2018: 1 · 2019: 3 · 2020: 1 · 2021: 1 · 2022: 9 · 2025: 8 · 2026: 4; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Cowlitz County

FEMA's National Risk Index rates Cowlitz County Relatively Moderate overall, with an expected annual loss of $88.2 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Cowlitz County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Volcanic ActivityRelatively High$7.6Monce in about 81 years (modeled)
EarthquakeRelatively Moderate$39Monce in about 57 years (modeled)
Heat WaveRelatively Moderate$3.5M5 modeled event-days a year
Riverine FloodingRelatively Moderate$34Mabout once a year (modeled)
Cold WaveRelatively Moderate$3.4Monce in about 4 years (modeled)
LandslideRelatively Low$26K2.3 a year (modeled)
Coastal FloodingRelatively Low$152K1.6 a year (modeled)
Winter WeatherRelatively Low$65K21 a year (modeled)

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Cowlitz County

  1. Wahkiakum County 500
  2. Cowlitz County 488
  3. Columbia County, OR 412
  4. Skamania County 403
  5. Lewis County 374
  6. Clark County 371

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

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