Hail History

Hail history for Oconto County, Wisconsin

Every NOAA hail report filed in Oconto County since 1965, with preliminary National Weather Service reports to November 3, 2026.

Readout · Oconto County

Last hail
Jun 24, 2026
1.00 in, quarter size
Hail days, last 5 years
6
since Nov 3, 2021 · 10 reports
Largest ever
4.00 in
grapefruit · Aug 2, 2015

86 reports on 58 days since 1965 · #54 of 73 Wisconsin counties

Hail map · Oconto County

Mountain Gillett Oconto 20 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
83 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

Roof damage after hail? Get a free inspection

Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Oconto County is from June 24, 2026. A local roofer can check and document it at no cost.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Preview: this form is not connected yet. Nothing you enter is sent or stored.

Roofer? Get hail alerts for your area with StormScope

What the record says about Oconto County

The latest hail report in Oconto County is from June 24, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.50 in on June 25, 2024.

Over the 20 years 2006–2025, Oconto County logged 51 reports on 29 hail days, about 2.5 reports a year. That is 27% less than the median Wisconsin county (3.5 a year) and ranks #54 of 73 Wisconsin counties for all-time reports. Oconto County holds 1% of all 9,358 hail reports in Wisconsin.

8% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Wisconsin county. The largest hail on record here is 4.00 in (grapefruit) on August 2, 2015 near 2.76 S Brookside.

Reports held about level in 2016–2025 (24) compared with 2006–2015 (27). The busiest year was 2015, with 7 reports on 2 days. Hail here peaks in July (22% of reports); 40% fall between April and June.

Reports a year 2006–2025 average

  • Oconto County 2.5
  • Median Wisconsin county 3.5

Hail days 2006–2025

  • Oconto County 29
  • Median Wisconsin county 37

Share 2 in or larger of sized reports

  • Oconto County 8%
  • Median Wisconsin county 7%

Hail over time

02468 1965: 1 reports, largest 1.00 in 1970 1980: 2 reports, largest 1.50 in 1980 1981: 1 reports, largest 1.75 in 1982: 2 reports, largest 1.50 in 1985: 2 reports, largest 1.75 in 1988: 1 reports, largest 1.75 in 1990 1993: 1 reports, largest 0.88 in 1995: 2 reports, largest 0.88 in 1996: 3 reports, largest 0.88 in 1997: 1 reports, largest 1.00 in 1998: 5 reports, largest 2.75 in 1999: 1 reports, largest 1.75 in 2000: 3 reports, largest 1.00 in 2000 2002: 2 reports, largest 0.88 in 2003: 1 reports, largest 1.00 in 2004: 5 reports, largest 1.75 in 2005: 1 reports, largest 1.00 in 2006: 5 reports, largest 4.00 in 2007: 1 reports, largest 1.75 in 2008: 2 reports, largest 1.00 in 2010 2011: 4 reports, largest 1.25 in 2012: 5 reports, largest 2.00 in 2013: 2 reports, largest 1.00 in 2014: 1 reports, largest 1.00 in 2015: 7 reports, largest 4.00 in 2017: 1 reports, largest 0.75 in 2018: 2 reports, largest 1.00 in 2019: 3 reports, largest 1.50 in 2020: 5 reports, largest 1.25 in 2020 2021: 4 reports, largest 1.00 in 2022: 4 reports, largest 1.50 in 2023: 3 reports, largest 1.50 in 2024: 1 reports, largest 1.50 in 2025: 1 reports, largest 1.00 in 2026: 1 reports, largest 1.00 in
Reports per year, 1965–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
05101520 Jan Feb March: 3 reports (3%) Mar April: 6 reports (7%) Apr May: 16 reports (19%) May June: 12 reports (14%) Jun July: 19 reports (22%) Jul August: 17 reports (20%) Aug September: 9 reports (10%) Sep October: 4 reports (5%) Oct Nov Dec
All 86 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 1 1
2024 1 1
2023 12 3
2022 4 4
2021 31 4
2020 23 5
2019 21 3
2018 2 2
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 24, 2026 1 1.00 in —
Jul 8, 2025 1 1.00 in —
Jun 25, 2024 1 1.50 in —
Oct 24, 2023 2 1.00 in —
Jul 28, 2023 1 1.50 in —
May 12, 2022 4 1.50 in —

Largest hail on record

Largest hail reports in Oconto County
Date Size Location Damage Time · source
Aug 2, 2015 4.00 ingrapefruit 2.76 S Brookside $5K 13:32 local · NCEI
Aug 2, 2015 4.00 ingrapefruit 0.49 E Abrams — 13:24 local · NCEI
Jul 1, 2006 4.00 ingrapefruit 1 N Hayes $2.3 million 14:31 local · NCEI
Jul 1, 2006 3.25 inteacup Oconto Falls — 15:05 local · NCEI
Mar 29, 1998 2.75 inbaseball 1 N Oconto —1 injured 15:15 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Oconto County
Date Size Location Time · source
Jun 24, 2026 1.00 inquarter 2.82 WSW Morgan 16:10 local · NCEI
Jul 8, 2025 1.00 inquarter 2.01 NW Suring 15:44 local · NCEI
Jun 25, 2024 1.50 inping pong ball 4.94 W Underhill 00:00 local · NCEI
Oct 24, 2023 0.75 inpenny 0.85 SE Stiles 12:20 local · NCEI
Oct 24, 2023 1.00 inquarter 0.85 SE Oconto Falls 12:17 local · NCEI
Jul 28, 2023 1.50 inping pong ball 2.54 SE Mountain 18:51 local · NCEI
May 12, 2022 1.00 inquarter 0.49 E Spruce 17:50 local · NCEI
May 12, 2022 1.00 inquarter 1.95 E Suring 16:25 local · NCEI
May 12, 2022 0.75 inpenny 7.57 ENE Mountain 14:15 local · NCEI
May 12, 2022 1.50 inping pong ball Mountain 14:00 local · NCEI
Sep 7, 2021 0.75 inpenny 0.49 E Abrams 07:10 local · NCEI
Apr 27, 2021 0.88 innickel Townsend 10:07 local · NCEI

Cities and towns in Oconto County

PlaceReportsLargest
Mountain111.50 in
Gillett103.25 in
Oconto102.75 in

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Lena87Sep 26, 2020
Suring87Jul 8, 2025
Abrams75Sep 7, 2021
Lakewood44Jul 13, 2004
Oconto Falls32Oct 24, 2023
Sobieski22Aug 14, 2015
Legend Lake11Jun 25, 2024
Townsend11Apr 27, 2021

Questions about hail in Oconto County

How often does it hail in Oconto County, Wisconsin?

86 hail reports have been logged in Oconto County since 1965. Over the 20 years 2006–2025 that averages 2.5 reports a year. That ranks #54 of 73 Wisconsin counties by number of reports.

When is hail season in Oconto County?

Most reports come in July, August, May. July alone accounts for 22% of all reports.

What is the largest hail recorded in Oconto County?

4.00 in (grapefruit size) on August 2, 2015 near 2.76 S Brookside. 8% of reports here were 2 inches or larger.

When did it last hail in Oconto County?

The most recent report in this data is from June 24, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Oconto County had in the last five years?

6 separate days with hail reports since November 3, 2021, adding up to 10 reports. The most recent was June 24, 2026.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.