Bayfield County
Population 16,787 (2025) 1,478 sq mi
Property owners in Bayfield County have filed 16 federal flood insurance claims since 1978, 56th most of 72 counties in Wisconsin.
Hazard fingerprint Each spoke is this county’s percentile among U.S. counties where that hazard occurs. How it is computed
- Tornado damage paths since 19505
- Wildfire burn scars since 19841
At a glance
The record for Bayfield County in eight numbers. Each links to its section below.
Tornadoes since 1950
5
69th of 72 in Wisconsin
Fewer than the typical Wisconsin county, which has had 25
DetailsAcres burned since 1984
1,072
5th of 72 in Wisconsin
1 large fire; the largest was Pioneer Fire, 2007
DetailsStrongest tornado
F2
June 30, 1968, 39.0 mile path
Snowiest season
147.1in
Winter of 1982-83
Tornadoes
About one every 15 years since 1950, none rated F3/EF3 or stronger.
Strongest
June 30, 1968
F2, 39.0 mile path
300 yards wide.
Most recent
Saturday, August 13, 1988
F1, 0.1 mile path
38 years ago.
Every recorded tornado
| Aug 13, 1988 | F1 | 0.1 | 0 | 0 |
| Apr 27, 1984 | F0 | 0.3 | 0 | 0 |
| Jul 3, 1983 | F1 | 3.0 | 2 | 0 |
| Jul 3, 1983 | F0 | 0.3 | 0 | 0 |
| Jun 30, 1968 | F2 | 39.0 | 2 | 0 |
- Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Bayfield County: 0.
- Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.
Storm Prediction Center severe weather database, 1950 to 2025.
Hurricanes and tropical storms
No tropical storm or hurricane has tracked within 100 miles since records began in 1851.
Wildfire and smoke
1,072 acres burned in 1 large fire since 1984, equal to 0.1% of the land.
Largest
April 29, 2007
Pioneer Fire, 1,074 acres
1,072 acres inside Bayfield County.
Most recent
April 29, 2007
Pioneer Fire
1,074 acres in total.
Every large fire
| Pioneer Fire | 2007 | 1,072 | 1,074 |
- Large fires mapped by the Monitoring Trends in Burn Severity program since 1984: 1,000 acres or more in the West, 500 or more in the East. Prescribed burns are excluded. Acres here are the part of each perimeter inside this place.
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service), 1984 to 2026.
Smoke overhead
Smokiest year
2023: 86 days
Heavy smoke on 25 days in 2021, the most of any year.
Last 10 years
32.3 days a year
Medium or heavy smoke, 2016 to 2025.
2025
32 days
Medium or heavy smoke. 48 so far in 2026.
- A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.
NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.
Floods and flood insurance
16 federal flood insurance claims since 1985, with $137,000 paid.
Most claims in one year
2016: 5 claims
$72,000 paid.
Claims by ZIP code
| 54821 | 5 | $12,000 |
| 54832 | 5 | $44,000 |
Flood events since 1996
- Flash Flood33
- Flood5
- Lakeshore Flood2
1 death recorded in flood events since 1996.
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.
Drought
In severe drought or worse for 140 of 1,581 months since 1895 (9%); the longest spell lasted 17 months.
140
Months in severe drought or worse since 1895
54
Months in extreme drought
9%
Share of all months, severe or worse
45
Drought reports to the Weather Service since 1996
Lowest reading
February 1977
−7.29, extreme drought
Longest severe spell
17 months
June 1910 to October 1911.
Latest month
September 2026
−4.63, extreme drought
- The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.
NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.
Earthquakes
No earthquake of magnitude 2.5 or more is recorded within 50 miles of the county in the USGS catalogue, which begins in 1900.
Severe weather and other events
594 events in the National Weather Service record, 552 of them since 1996.
79
Hail reports, 1 inch or larger
8
Hail, 2 inches or larger
152
Damaging gusts, 58 mph+
184
Winter weather events since 1996
3
Heat events since 1996
23
Cold events since 1996
Largest hail
April 18, 2004
3.00 inches
Strongest measured or estimated gust
July 21, 2016
90 mph
Costliest events since 1996
- Jun 17, 2018Flash Flood$2.2 million
National Weather Service narrative
US Highway 2 was washed out at North Fish Creek west of Tomich Road east of Ino. The culvert failed and eroded the road on both sides.
- Jul 30, 2006Thunderstorm Wind$1.5 million
National Weather Service narrative
Downburst winds hit the Bayfield waterfront where an art fair was in progress at Memorial Park. Most of the ninety fair tents were demolished and art pieces were tossed into Lake Superior. A woman broke her hand while a man received a large gash on his hand. Numerous large trees were blown down in Bayfield. The local Catholic church lost a portion of its roof, resulting in damage estimated at $300,000. There was an unverified report of a private weather system clocking the wind at 99 mph before it became inoperable. At the Apostle Island Marina numerous boats lost their canvas coverings. Many boats lost their stanchions after being tipped under the docks by the strong winds.…
- Jul 5, 1999Flash Flood$500,000
National Weather Service narrative
Highways and bridges near Port Wing, Bayfield, and Washburn were flooded by heavy rain from slow-moving thunderstorms.
- Jul 14, 1999Flash Flood$500,000
National Weather Service narrative
Heavy thunderstorm rains caused U.S. Highway 2 and State Highway 118 to flood and partially wash out.
- Jun 17, 2006Thunderstorm Wind$400,000
National Weather Service narrative
Major wind damage to docks and a few boats occurred at two marinas. Many docks were destroyed. One 40 foot boat was destroyed. There was also three-quarter inch hail and some downed trees.
- Oct 4, 2005Flash Flood$345,000
National Weather Service narrative
Thunderstorms producing heavy rain moved into Bayfield County dropping 3.00 inches in the town of Bayfield and 3.61 inches in the town of Washburn. Several roads were closed as the Fish Creek overtopped its banks between Moquah and Ashland. Around one foot of water covered County Road G and Highway 2. The property damage estimate was to roads and water treatments.
- Jun 18, 2024Flash Flood$100,000
National Weather Service narrative
Areas of flooding and washed out roads were reported in the City of Bayfield.
- Jun 19, 2024Flash Flood$50,000
National Weather Service narrative
A 5 foot wide section of State Highway 13 just east of Herbster washed out when the culvert underneath failed. A car drove into the washout and the driver was trapped but only had minor injuries.
- Apr 11, 2023Flood$16,000
National Weather Service narrative
Warm temperatures early in April led to rapid snowmelt of a well above normal snowpack across the region. Additionally, heavy rainfall on top of the snowpack led to additional high runoff across the county as well. Roads began to be impacted on the 11th with water overtopping low spots leading to washouts and failed culverts. Temperatures cooled during the middle of the month along with a heavy snow event the 16th into the 17th. This allowed the runoff to slow and water levels to drop. However, water levels rose again later in the month as this new snow melted as well. Numerous road closures were reported across the entire county due to failed culverts, washouts and gravel roads…
- Oct 26, 2017Lakeshore Flood, Bayfield$15,000
National Weather Service narrative
A boardwalk along the south shore of Lake Superior was destroyed by strong winds and waves that flowed onshore in Port Wing.
- Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.
NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.
Weather records
From Brule Rs, 23.5 miles from the county’s population centre, with records from 1928.
- All-time high
- 105°F2 times, most recently Jul 13, 1936
- All-time low
- −43°FFeb 21, 1939
- Warmest night
- 78°FMay 29, 2006
- Coldest day
- −18°FJan 5, 1942
- Wettest day
- 5.36 inJul 9, 2020
- Snowiest day
- 21.0 inDec 28, 1982
- Hottest year
- 1998mean 45.1°F
- Coldest year
- 2014mean 37.4°F
- Wettest year
- 195144.96 in
- Driest year
- 197616.93 in
- Snowiest season
- 147.1 in1982-83
Median first snow
November 4
Earliest: October 10, 2009
Median last snow
April 12
Latest: May 10, 1961
0 of 55 winters had no measurable snow.
Station Brule Rs (USC00471131), 1,000 ft elevation, 23.5 miles from the population centre. Daily records from 1928 to October 19, 2026; 91.8% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.
NOAA NCEI Global Historical Climatology Network Daily.
Federal disaster declarations
12 since 1953. The most recent: Severe Storms, Tornadoes, and Flooding, June 30, 2026.
| Jun 30, 2026 | Flood | DR-4923-WI |
| Apr 4, 2020 | Biological | DR-4520-WI |
| Mar 13, 2020 | Biological | EM-3454-WI |
| Aug 10, 2018 | Flood | DR-4383-WI |
| Aug 9, 2016 | Severe Storm | DR-4276-WI |
| Aug 8, 2013 | Severe Storm | DR-4141-WI |
| Aug 2, 2012 | Severe Storm | DR-4076-WI |
| Sep 13, 2005 | Hurricane | EM-3249-WI |
| May 11, 2001 | Flood | DR-1369-WI |
| Aug 16, 1999 | Flood | DR-1284-WI |
| Jun 17, 1976 | Drought | EM-3014-WI |
| Sep 10, 1972 | Flood | DR-352-WI |
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.
How this compares
Where Bayfield County stands among 72 counties in Wisconsin and 3,143 in the United States.
| Tornadoes since 1950 | 5 | 69 / 72 |
| Tornadoes rated F3/EF3 or stronger | 0 | — |
| Tropical cyclones within 50 mi | 0 | — |
| Hurricane-strength passes within 50 mi | 0 | — |
| Wildfire acres since 1984 | 1,072 | 5 / 72 |
| Flood insurance claims | 16 | 56 / 72 |
| Flood insurance paid | $137,000 | 55 / 72 |
| Disaster declarations | 12 | 32 / 72 |
| Flood events since 1996 | 40 | 29 / 72 |
| Hail and wind events since 1996 | 256 | 39 / 72 |
| Winter storm events since 1996 | 184 | 23 / 72 |
| Reported damage since 1996 | $5.7 million | 58 / 72 |
| River crests at major flood stage | 0 | — |
| High tide flooding days a year, last 10 years | 0.0 | — |
| Months in severe drought since 1895 | 140 | 10 / 72 |
| Medium or heavy smoke days a year, last 10 years | 32.3 | 1 / 72 |
| Earthquakes M4+ within 50 mi since 1900 | 0 | — |
| Earthquakes M2.5+ in the county since 1973 | 0 | — |
Neighbouring counties
| Ashland County | 11 | 0 |
| Douglas County | 13 | 0 |
| Sawyer County | 9 | 0 |
| Washburn County | 8 | 0 |
Sources and vintage
Every number on this page comes from these public records.
- Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
- Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
- Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
- Storm events NOAA NCEI Storm Events Database, through 2026.
- Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
- Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
- Weather records NOAA NCEI Global Historical Climatology Network Daily, station USC00471131.
- River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
- Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
- Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
- Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.
Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.