Severe Weather History


County archive · 1950 — present

Polk County, Oregon

Polk County, Oregon severe weather history spans 54 recorded events between 1996 and 2025. The dominant hazard is flood, accounting for 50.0% of all recorded events. It ranks #3,031 nationally and #25 in Oregon.

54

Recorded events

0

Direct deaths

0

Direct injuries

$4.4M

Property damage

The record

What the Polk County, Oregon severe weather history record shows

Across the archive, Polk County, Oregon severe weather history averages 1.9 recorded events a year. The busiest stretch on record is the 2000s, with 22 events logged in that decade alone.

The costliest is flood, with $4.4M in reported property damage. In total, 5 distinct hazard types appear in this county archive, each listed with its own dated record below.

Polk County, Oregon severe weather history: recorded events per decade since 1950
Polk County, Oregon severe weather history: recorded events per decade since 1950

By hazard type

Every hazard type recorded in Polk County

HazardEventsDeathsDamageMaxSpan
Flood270$4.4M02005–2025
Heavy Rain160$002001–2020
Funnel Cloud50$002003–2016
Tornado30$5KF11997–2003
Thunderstorm Wind30$0741996–2021
Source: NOAA/NCEI Storm Events · dates UTC · preliminary data may revise

Decade by decade

Polk County, Oregon severe weather history by decade

31990s
222000s
152010s
142020s

Reporting practice changed over time — early decades are undercounted, not calmer.

Tornado tracks

Paths crossing this county

2 mapped tornado paths intersect this county: 2 touched down inside it and 0 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.

DateScaleDeathsInjuriesPath lengthOrigin
1997-09-15EF0000.2 miTouched down here
1997-09-15EF0000.5 miTouched down here
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Context

Risk, population and federal disasters

Relatively Low

FEMA NRI risk rating

89,662

Population (ACS)

$455K

Median home value

15

Federal declarations

DeclaredIncidentTitleType
Apr 7, 2026Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDESDR
May 4, 2021Severe StormSEVERE WINTER STORMDR
Mar 28, 2020BiologicalCOVID-19 PANDEMICDR
Mar 13, 2020BiologicalCOVID-19EM
Feb 17, 2016Severe StormSEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDESDR
Mar 2, 2012FloodSEVERE WINTER STORM, FLOODING, LANDSLIDES, AND MUDSLIDESDR
Source: FEMA OpenFEMA disaster declarations · most recent first

Quick answers

Frequently asked

How many severe weather events have been recorded in Polk County, Oregon?

54 events are on record between 1996 and 2025, causing 0 direct deaths and $4.4M in property damage.

What is the most common severe weather hazard in Polk County?

Flood, with 27 recorded events — 50.0% of everything in the archive for this county.

How many tornadoes have crossed Polk County?

2 mapped tornado paths intersect the county boundary; 2 of them touched down inside it. This is derived from path geometry, not county-tagged reports.

How many federal disaster declarations cover Polk County?

15 federal disaster declarations from FEMA include Polk County, each tied to a specific incident period.

How risky is Polk County compared with the rest of the country?

FEMA's National Risk Index rates Polk County as relatively low risk, placing it in the 73 percentile of its state for expected annual loss.

Where does the Polk County, Oregon 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

All counties in this state →

Cite this page

“Polk County, Oregon.” Severe Weather History. severeweatherhistory.com/county/oregon/polk-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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