Polk County, Oregon

County storm and disaster record · FIPS 41053 · population 87,390 · 741 sq mi

NOAA's Storm Events Database holds 357 records for Polk County, Oregon from 1950 through June 30, 2026, on 282 days; the most frequent are high wind and dust records (145 records). 303 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 June 26, 2021 excessive heat, filed for the forecast zone Central Willamette Valley, which covers the county: 18 deaths. FEMA has issued 15 declarations naming the county since 1964, 13 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
357on 282 days, 1950 to June 30, 2026
Deaths recorded
5010 injuries
Damage, 2025 dollars
$805Mas filed (scale steps before 1993)
Tornadoes
3strongest F1
FEMA declarations
15latest 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 Polk County most?

The most frequent records are high wind and dust records: 145 since 1996. 44% of its high wind and dust records since 1996 fell in December and January. The rank column places the county among Oregon's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Polk County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
High wind and dust storms 145 127 1996-2025 0 0 $8.7M 11 of 36
Winter storms 108 79 1996-2025 3 1 $27M 11 of 36
Floods 40 38 1996-2025 11 5 $769M 6 of 36
Heat 20 18 1998-2022 32 1 – 3 of 36
Heavy rain 16 12 2001-2020 0 0 – 5 of 36
Landslides and avalanches 9 6 1996-2012 1 0 $78K 9 of 36
Fog, smoke and funnel clouds 6 6 2003-2023 3 3 – 7 of 36
Extreme cold 4 4 1998-2024 0 0 – 24 of 36
Severe thunderstorm wind 3 3 1996-2021 0 0 – 19 of 36
Tornadoes 3 2 1997-2003 0 0 $11K 12 of 36
Wildfires 3 3 2020-2023 0 0 – 26 of 36

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 Polk County had?

NOAA records 3 tornadoes in Polk County from 1997 to 2003, the strongest rated F1, with 0 deaths and 0 injuries recorded in the county. That is 12th of 36 Oregon 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 3 tornadoes whose track touched Polk County since 1950 (NOAA's county records number 3, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Oregon.

Every tornado record filed for Polk County (3)
Every tornado recorded in Polk County, newest first
DatePlaceCharacterKilledInjuredDamage
2003-06-21 Independence, Polk County F1 0.3 mi x 30 yd 0 0 –
1997-09-15 Mc Coy, Polk County F0 0.5 mi x 10 yd 0 0 $9K
1997-09-15 Rickreall, Polk County F0 0.2 mi x 10 yd 0 0 $2K

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 Polk County?

The most recent record with damage, injuries or deaths is the January 16, 2024 ice storm (1 death).

Around one-half inch of ice accumulated in the Salem area on the 16th with up to 1 inch reported by the Public. This resulted in power outages, travel disruptions, injuries due to slip and fall. Also the persistent freezing temperatures over several days resulted in a suspected hypothermia fatality.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1164389)
The 12 most recent records kept for Polk County
DateRecordCharacterKilledInjuredDamage
2025-11-05 High WindLane County and 3 more · forecast zone Central Oregon Coast Range 73 kt wind 0 0 –
2025-10-25 High WindLane County and 3 more · forecast zone Central Oregon Coast Range 56 kt wind 0 0 –
2025-02-24 FloodMitchell, Polk County 0 0 –
2025-02-24 High WindLane County and 3 more · forecast zone Central Oregon Coast Range 72 kt wind 0 0 –
2025-02-13 Ice StormYamhill County and Polk County · forecast zone West Central Willamette Valley 0 0 –
2025-02-13 Ice StormLane County and 3 more · forecast zone Central Oregon Coast Range Lowlands 0 0 –
2025-02-13 Ice StormLane County and 3 more · forecast zone Central Oregon Coast Range 0 0 –
2024-01-16 Ice StormClackamas County and 3 more · forecast zone Central Willamette Valley 1 0 –
2023-12-16 Dense FogClackamas County and 3 more · forecast zone Central Willamette Valley 3 3 –
2022-12-27 High WindClackamas County and 3 more · forecast zone Central Willamette Valley 53 kt wind 0 0 $1.0M
2022-07-28 Excessive HeatClackamas County and 3 more · forecast zone Central Willamette Valley 4 0 –
2021-08-11 Excessive HeatClackamas County and 3 more · forecast zone Central Willamette Valley 1 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 Polk County, most deaths first
DateRecordCharacterKilledInjuredDamage
2021-06-26 Excessive HeatClackamas County and 3 more · forecast zone Central Willamette Valley Temperatures across the area warmed into the 100s to mid 110s over a three day period. Record breaking temperatures up to 117 degrees were recorded in Salem, OR. A total of 18 heat related deaths were reported, including two middle aged men who drowned in the Willamette River on Saturday, June 26. 18 0 –
1996-02-06 FloodBenton County and 3 more · forecast zone Central Coast Range Of W Oregon Runoff from heavy rains and melting mountain snow caused major floods upon many northern Oregon rivers. The first rivers reached flood stage on the morning of February 6th while the heaviest rain was still falling. flooding was measured on twenty one rivers in northwestern Oregon. Six rivers set all time high river ... 7 0 $753M
1996-11-17 FloodClackamas County and 3 more · forecast zone Douglas T Nw & E A moist southwest flow aloft produced moderate to heavy rain and strong winds over southwest Oregon between Nov 17 and Nov 21. Storm total rainfall ranged from 8 to 12 inches on the coast with local amounts near 20 inches...3 to 7 inches of rainfall fell inland. Flooding was extensive in Coos, Curry and Douglas ... 4 5 $9.4M
2022-07-28 Excessive HeatClackamas County and 3 more · forecast zone Central Willamette Valley Four suspected heat related deaths occurred in Marion county. 4 0 –
2023-12-16 Dense FogClackamas County and 3 more · forecast zone Central Willamette Valley Dense Fog in the Central Willamette Valley contributed to deadly aircraft accident. A single engine airplane travelling from McMinnville to Independence crashed around 4:55 PM into a power pole just outside of the Independence Airport. The crash resulted in a local power outage, a small brushfire and the loss of all ... 3 3 –
2016-06-02 Excessive HeatClackamas County and 3 more · forecast zone Central Willamette Valley Temperatures of 95 to 100 in early June lead to people seeking relief at local rivers. Two river drownings were reported in the Central Willamette Valley during this hot spell. 2 0 –
2015-06-26 Excessive HeatClackamas County and 3 more · forecast zone Central Willamette Valley Afternoon temperatures were in the low to mid 90s which is around 20 degrees above normal. Nighttime temperatures were in the mid 60s to low 70s which is around 15 degrees above normal. There were several new daily records set for the warmest low temperatures. A man drowned while swimming in the Santiam River on June ... 1 1 –
2024-01-16 Ice StormClackamas County and 3 more · forecast zone Central Willamette Valley Around one-half inch of ice accumulated in the Salem area on the 16th with up to 1 inch reported by the Public. This resulted in power outages, travel disruptions, injuries due to slip and fall. Also the persistent freezing temperatures over several days resulted in a suspected hypothermia fatality. 1 0 –
The costliest records in Polk County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
1996-02-06 FloodBenton County and 3 more · forecast zone Central Coast Range Of W Oregon 7 0 $753M
2008-12-20 Winter StormClackamas County and 3 more · forecast zone Central Willamette Valley 0 0 $14M
2021-02-11 Ice StormClackamas County and 3 more · forecast zone Central Willamette Valley 0 0 $11M
1996-11-17 FloodClackamas County and 3 more · forecast zone Douglas T Nw & E 4 5 $9.4M
2016-10-13 Strong WindClackamas County and 3 more · forecast zone Central Willamette Valley 42 kt wind 0 0 $6.1M
2012-01-18 FloodBuena Vista, Polk County 0 0 $3.9M
1998-01-12 Ice StormBenton County and 3 more · forecast zone Columbia/C & W Multnomah/Washington/Nw Clackamas 1 0 $1.8M
2007-12-04 FloodSuver, Polk County 0 0 $1.4M

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 Polk 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).

Polk County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
High wind and dust storms––––12387520
Winter storms––––24442119
Floods––––137119
Heat––––1469
Heavy rain––––01204

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

What time of year?

44% of its high wind and dust records since 1996 fell in December and January. The two busiest months are in violet.

The values, month by month

Jan 79 · Feb 56 · Mar 30 · Apr 14 · May 5 · Jun 9 · Jul 9 · Aug 9 · Sep 11 · Oct 12 · Nov 35 · Dec 88 (records).

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

Federal disaster declarations for Polk County

FEMA's register lists 15 declarations that include Polk County: 13 major disasters, 2 emergencies and 0 fire management assistance declarations. Most were for severe storm (8) and flood (4).

Declarations including Polk County, newest first
DeclaredNumberTypeTitle
2026-04-07DR-4907Severe StormSevere Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides
2021-05-04DR-4599Severe StormSevere Winter Storm
2020-03-28DR-4499BiologicalCovid-19 Pandemic
2020-03-13EM-3429BiologicalCovid-19
2016-02-17DR-4258Severe StormSevere Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides
2012-03-02DR-4055FloodSevere Winter Storm, Flooding, Landslides, and Mudslides
2009-03-02DR-1824Severe StormSevere Winter Storm, Record and Near Record Snow
2007-12-08DR-1733Severe StormSevere Storms, Flooding, Landslides, and Mudslides
2007-02-22DR-1683Severe StormSevere Winter Storm and Flooding
2006-03-20DR-1632Severe StormSevere Storms, Flooding, Landslides, and Mudslides
2005-09-07EM-3228Coastal StormHurricane Katrina Evacuation
2004-02-19DR-1510Severe StormSevere Winter Storms
1996-02-09DR-1099FloodHigh Winds, Severe Storms and Flooding
1974-01-25DR-413FloodSevere Storms, Snowmelt & Flooding
1964-12-24DR-184FloodHeavy 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 Polk County had?

NOAA's Storm Events Database holds 40 flood or flash flood records for Polk County from 1996 to 2025, on 38 days, with 11 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Polk County ranks 1428th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $852,000 on 78 claims filed in Polk County; the most in one year was 23 in 2007. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1980: 2 · 1995: 1 · 1996: 17 · 1998: 2 · 1999: 3 · 2000: 1 · 2002: 1 · 2003: 1 · 2004: 1 · 2005: 1 · 2006: 1 · 2007: 23 · 2008: 2 · 2010: 1 · 2012: 8 · 2014: 1 · 2015: 4 · 2017: 1 · 2019: 1 · 2020: 1 · 2021: 3 · 2025: 2; 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 Polk County

FEMA's National Risk Index rates Polk County Relatively Low overall, with an expected annual loss of $37.9 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 Polk County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
EarthquakeRelatively Moderate$19Monce in about 51 years (modeled)
Heat WaveRelatively Moderate$3.0M6.1 modeled event-days a year
Ice StormRelatively Moderate$196Konce in about 2 years (modeled)
LandslideRelatively Low$31K4.2 a year (modeled)
Riverine FloodingRelatively Low$15Mabout once a year (modeled)
Winter WeatherRelatively Low$44K7.9 a year (modeled)
LightningRelatively Low$153K5 a year (modeled)
Volcanic ActivityVery Low$2Konce in about 99 years (modeled)

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

Counties that share a border with Polk County

  1. Tillamook County 886
  2. Lincoln County 713
  3. Marion County 656
  4. Linn County 632
  5. Yamhill County 456
  6. Polk County 357
  7. Benton County 347

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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