Florence County, WI Environment & Hazard Risk

• Cold waveRelatively High$15.72M/yr expected annual loss, about 8.5 events a year
• HailRelatively Low$212K/yr expected annual loss, about 1.3 events a year
• LightningVery Low$63.07K/yr expected annual loss, about 27 events a year
• Winter weatherVery Low$15.36K/yr expected annual loss, about 17 events a year
• DroughtVery Low$75/yr expected annual loss, about 1.7 events a year
• TornadoVery Low$76.57K/yr expected annual loss, about once every 16 years
• LandslideVery Low$23/yr expected annual loss, about once every 7 years
• Strong windVery Low$61.77K/yr expected annual loss, about 1.4 events a year
• WildfireVery Low$2,676/yr expected annual loss, about once every 15,760 years
• Heat waveVery Low$5,080/yr expected annual loss, about once every 3 years
• Ice stormVery Low$329/yr expected annual loss, about once every 67 years
• EarthquakeVery Low$544/yr expected annual loss, about once every 5,025 years

Bars show the national percentile score (0 to 100) for each hazard. Dollar figures are expected annual losses to buildings, people and crops. Not rated here: avalanche, coastal flooding, hurricane, riverine flooding, tsunami, volcanic activity.

Check the flood zone for an address

Homes with flood insurance

10 of 4,567 (0.2%)

Homes in high-risk flood zones

0

Flood claims since 1978

1

Claims paid since 1978

$4,849

• Winter Storm64
• Thunderstorm Wind39
• Drought32
• Heavy Snow30
• Hail26
• Winter Weather8
• Cold/Wind Chill8 · 2 deaths
• Strong Wind7
• Dense Fog7
• Extreme Cold/Wind Chill7

• Cold/Wind Chill01/03/2018

  Florence

  1 death

  What happened

  A missing 19 year old male, who was driving to Upper Michigan, was found dead in the woods. His abandoned vehicle was discovered on the afternoon of the 7th and authorities had to travel a considerable distance into the woods in order to recover his body that evening. Subzero and single digit temperatures were common in far northeast Wisconsin during the time that the man was missing.

• Cold/Wind Chill01/24/2009

  Florence

  1 death

  What happened

  Northwest winds between a departing cold front and an approaching high pressure system brought much colder air into the area. Low temperatures ranged from the single digits below zero from the Fox Valley east to Lake Michigan, to the teens below zero in north-central and parts of central Wisconsin. Wind chills across the area were mostly in the 20 below zero to 30 below zero range.||There were two fatalities due to hypothermia during the morning of the 24th. One occurred in De Pere (Brown Co.), where a resident of an assisted living center was discovered around 7:30 a.m. on a sidewalk outside the center where he lived. The Brown County medical examiner said that the man was dressed appropriately for the weather but had other medical problems. It is estimated that he was outside for about 5 hours. The temperature at Green Bay was as cold as 6 degrees below zero before the man's body was discovered.||Another fatality occurred in Florence County after a woman slipped on ice and injured her leg while walking home around 11:20 p.m. on the night of the 23rd. She then attempted to crawl the remaining distance to her home, more than 300 feet, but was overcome by the cold before...

• Flash Flood07/15/1999

  Florence, Florence County

  $1.58M damage

  What happened

  Rainfall of 5 to 8 inches in just a few hours caused significant flash flooding across Florence county and extreme northern Forest county. An estimated 50 to 75 miles of roads required repairs, including U.S. Highways 2 and 141 and state highways 70 and 101. A total of 49 homes and 2 businesses suffered some water damage. The damage was mainly confined to basements with minimal first floor inundation.

• Lightning07/18/2013

  Hematite, Florence County

  $162K damage

• Thunderstorm Wind65 kt wind04/18/2004

  Florence, Florence County

  $120K damage

• Thunderstorm Wind65 kt wind07/31/1999

  Long Lake, Florence County

  $102K damage

• Hail1" hail07/20/2026

  Spread Eagle, Florence County

• Hail1" hail07/20/2026

  Spread Eagle, Florence County

• Ice Storm04/04/2026

  Florence

• Winter Storm04/02/2026

  Florence

• Blizzard03/15/2026

  Florence

• Winter Storm03/13/2026

  Florence

• Drought02/01/2026

  Florence

• Extreme Cold/Wind Chill01/23/2026

  Florence

• Tropical Storm Cristobal (2020)06/02/2020 · Landfall: LA · 982 mbTropical storm40 mph nearby

• Florence Utility CommissionServes 1,250 · Groundwater · Local governmentNo health violations+1 monitoring or reporting
• Keyes Lake Mobile Home ParkServes 30 · Groundwater · Private4 health violations+11 monitoring or reporting