Washburn County, Wisconsin

County storm and disaster record · FIPS 55129 · population 16,613 · 797 sq mi

NOAA's Storm Events Database holds 417 records for Washburn County, Wisconsin from 1950 through June 30, 2026, on 290 days; the most frequent are hail reports (125 records). The deadliest single record is the July 21, 2002 lightning: 1 death. FEMA has issued 10 declarations naming the county since 1965, 8 of them for natural hazards; the latest for a natural hazard was “Severe Storms and Flooding” on August 9, 2016.

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
417on 290 days, 1950 to June 30, 2026
Deaths recorded
12 injuries
Damage, 2025 dollars
$31Mas filed (scale steps before 1993)
Tornadoes
8strongest F2
FEMA declarations
10latest 2020

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 Washburn County most?

The most frequent records are hail reports: 125 since 1972. 52% of its hail reports since 1972 fell in May and June. The rank column places the county among Wisconsin's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Washburn County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Hail 125 70 1972-2026 0 0 $34K 46 of 72
Severe thunderstorm wind 117 75 1967-2026 0 0 $103K 61 of 72
Winter storms 94 94 1996-2026 0 0 – 55 of 72
Drought 41 41 2006-2026 0 0 – 9 of 72
Extreme cold 16 16 1996-2026 0 0 – 56 of 72
Floods 11 6 2000-2025 0 0 $568K 70 of 72
Tornadoes 8 8 1953-2001 0 0 $30M 65 of 72
Heat 2 2 2011-2016 0 0 – 61 of 72
High wind and dust storms 1 1 2004-2004 0 0 $2K 71 of 72
Lightning 1 1 2002-2002 1 0 – 61 of 72
Fog, smoke and funnel clouds 1 1 2004-2004 0 2 – 66 of 72

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 Washburn County had?

NOAA records 8 tornadoes in Washburn County from 1953 to 2001, the strongest rated F2, with 0 deaths and 0 injuries recorded in the county. 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 7 tornadoes whose track touched Washburn County since 1950 (NOAA's county records number 8: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 2 people, 0 of them in Washburn County.

The deadliest and strongest tornadoes that touched Washburn County, whole tracks
DateTornadoRatingPathKilled
2001-06-18 19:06, as SPC files itGrantsburg to SirenF334 mi2

Map of the strongest tornado tracks in Wisconsin.

Every tornado record filed for Washburn County (8)
Every tornado recorded in Washburn County, newest first
DatePlaceCharacterKilledInjuredDamage
2001-06-18 Spooner, Washburn County F2 4 mi x 880 yd 0 0 –
1999-06-05 Sarona, Washburn County F0 3.5 mi x 300 yd 0 0 –
1985-06-16 Washburn County F1 5 mi x 100 yd 0 0 $250 step
1971-07-21 Washburn County F1 6.5 mi x 100 yd 0 0 $3K step
1971-06-23 Washburn County F1 1 mi x 50 yd 0 0 $3K step
1969-06-05 Washburn County F1 8.3 mi x 100 yd 0 0 $25K step
1965-05-07 Washburn County F2 1 mi x 150 yd 0 0 $250K step
1953-05-10 Washburn County F2 27.6 mi x 100 yd 0 0 $2.5M 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 Washburn County?

The most recent record with damage, injuries or deaths is the July 4, 2025 flash flood ($100,000 in damage in 2025 dollars).

The 12 most recent records kept for Washburn County
DateRecordCharacterKilledInjuredDamage
2026-05-26 HailSpring Brook, Washburn County 1.00 in hail 0 0 –
2026-04-17 Thunderstorm WindEarl, Washburn County 50 kt wind 0 0 –
2026-04-17 Thunderstorm WindMinong Sutherland Ar, Washburn County 59 kt wind 0 0 –
2026-04-03 Ice StormWashburn County · forecast zone Washburn 0 0 –
2026-03-14 Heavy SnowWashburn County · forecast zone Washburn 0 0 –
2026-03-01 DroughtWashburn County · forecast zone Washburn 0 0 –
2026-02-01 DroughtWashburn County · forecast zone Washburn 0 0 –
2026-01-22 Extreme Cold/Wind ChillWashburn County · forecast zone Washburn 0 0 –
2026-01-01 DroughtWashburn County · forecast zone Washburn 0 0 –
2025-12-28 Heavy SnowWashburn County · forecast zone Washburn 0 0 –
2025-12-09 Heavy SnowWashburn County · forecast zone Washburn 0 0 –
2025-12-01 DroughtWashburn County · forecast zone Washburn 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 Washburn County, most deaths first
DateRecordCharacterKilledInjuredDamage
2002-07-21 LightningMinong, Washburn County Lightning struck a nearby tree and killed a man while alseep in a tent. 1 0 –
2004-03-25 Dense FogWashburn County · forecast zone Washburn Dense fog blanketed areas of northwestern Wisconsin. Near Sarona, a 42 year old make was killed when the truck he was driving collided with a semi-trailer. His three passengers were injured, one critically. Wisconsin State Patrol estimates that visibility was less than 100 feet at the time of the crash. 0 2 –
The costliest records in Washburn County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2025-07-04 Flash FloodShell Lake, Washburn County 0 0 $200K
2025-07-04 Flash FloodShell Lake, Washburn County 0 0 $100K
2011-07-19 Thunderstorm WindSpring Brook, Washburn County 70 kt wind 0 0 $39K
2011-07-19 HailSpring Brook, Washburn County 2.50 in hail 0 0 $13K
2025-07-04 Thunderstorm WindShell Lake, Washburn County 50 kt wind 0 0 $10K
2023-07-19 HailShell Lake Airport, Washburn County 2.00 in hail 0 0 $10K
1995-07-14 HailSarona, Washburn County 2.75 in hail 0 0 $6K
2011-05-10 HailSpooner, Washburn County 2.75 in hail 0 0 $5K

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 $2.5M, in the dollars of the day) holds: May 10, 1953 (tornado, Washburn 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 Washburn 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).

Washburn County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Hail004416294428
Severe thunderstorm wind0161319172635
Winter storms––––9273226
Drought––––0191210
Extreme cold––––2545
Floods––––01010

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

What time of year?

52% of its hail reports since 1972 fell in May and June. The two busiest months are in violet.

The values, month by month

Jan 24 · Feb 32 · Mar 26 · Apr 23 · May 56 · Jun 58 · Jul 83 · Aug 46 · Sep 28 · Oct 3 · Nov 11 · Dec 27 (records).

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

Federal disaster declarations for Washburn County

FEMA's register lists 10 declarations that include Washburn County: 6 major disasters, 4 emergencies and 0 fire management assistance declarations. Most were for severe storm (3) and biological (2).

Declarations including Washburn County, newest first
DeclaredNumberTypeTitle
2020-04-04DR-4520BiologicalCovid-19 Pandemic
2020-03-13EM-3454BiologicalCovid-19
2016-08-09DR-4276Severe StormSevere Storms and Flooding
2005-09-13EM-3249HurricaneHurricane Katrina Evacuation
2002-09-10DR-1432TornadoSevere Storms, Tornadoes and Flooding
2001-05-11DR-1369FloodFlooding, Severe Storms and Tornadoes
2000-06-24DR-1332Severe StormSevere Storms, Tornadoes, and Flooding
1977-10-03EM-3048Severe StormWinds, Hail & Rain
1976-06-17EM-3014DroughtDrought
1965-04-21DR-192TornadoTornadoes, Severe Storms & 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 Washburn County had?

NOAA's Storm Events Database holds 11 flood or flash flood records for Washburn County from 2000 to 2025, on 6 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Washburn County ranks 2020th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $852,000 on 24 claims filed in Washburn County; the most in one year was 10 in 2003. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

2002: 6 · 2003: 10 · 2004: 1 · 2014: 1 · 2016: 5 · 2017: 1; 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 Washburn County

FEMA's National Risk Index rates Washburn County Very Low overall, with an expected annual loss of $10.3 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 Washburn County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Cold WaveRelatively Moderate$4.7M9.6 a year (modeled)
LightningRelatively Moderate$499K32 a year (modeled)
HailRelatively Low$260K2.3 a year (modeled)
TornadoRelatively Low$678Konce in about 4 years (modeled)
Winter WeatherRelatively Low$33K18 a year (modeled)
Strong WindRelatively Low$284K1.7 a year (modeled)
WildfireVery Low$25Konce in about 6,665 years (modeled)
Heat WaveVery Low$153K1.4 modeled event-days a year

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

Counties that share a border with Washburn County

  1. Bayfield County 586
  2. Sawyer County 559
  3. Barron County 558
  4. Douglas County 548
  5. Burnett County 482
  6. Washburn County 417
  7. Rusk County 324

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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