Hail History

Hail history for Oconto, Wisconsin

NOAA hail reports in and within about 5 km (3 miles) of Oconto since 1965, with preliminary reports to November 3, 2026.

Readout · Oconto

Last hail
Aug 7, 2019
1.50 in, ping pong ball size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.75 in
baseball · Mar 29, 1998

10 reports on 10 days since 1965 · #261 of 271 Wisconsin places

Hail map · Oconto

Oconto Peshtigo Marinette Gillett 20 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
10 most recent reports with a location; Oconto County is shaded. Open street map

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What the record says about Oconto

The latest hail report in and around Oconto is from August 7, 2019, 1.50 in (ping pong ball size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Oconto logged 4 reports on 4 hail days, about 0.2 reports a year. That is about half the median Wisconsin town on this site (0.5 a year) and ranks #261 of 271 Wisconsin cities and towns on this site for all-time reports. Oconto accounts for 12% of the 86 reports filed in Oconto County.

10% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Wisconsin town on this site. The largest hail on record here is 2.75 in (baseball) on March 29, 1998 near 1 N Oconto.

The busiest year was 2015, with 2 reports on 2 days. Hail here peaks in August (50% of reports); 30% fall between April and June.

Reports a year 2006–2025 average

  • Oconto 0.2
  • Oconto County 2.5
  • Median Wisconsin town on this site 0.5

Hail days 2006–2025

  • Oconto 4
  • Oconto County 29
  • Median Wisconsin town on this site 7

Share 2 in or larger of sized reports

  • Oconto 10%
  • Oconto County 8%
  • Median Wisconsin town on this site 6%

Hail over time

012 1965: 1 reports, largest 1.00 in 1970 1980 1988: 1 reports, largest 1.75 in 1990 1996: 1 reports, largest 0.75 in 1998: 2 reports, largest 2.75 in 2000 2004: 1 reports, largest 0.75 in 2010 2012: 1 reports, largest 1.00 in 2015: 2 reports, largest 1.00 in 2019: 1 reports, largest 1.50 in 2020
Reports per year, 1965–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb March: 1 reports (10%) Mar Apr May: 1 reports (10%) May June: 2 reports (20%) Jun July: 1 reports (10%) Jul August: 5 reports (50%) Aug Sep Oct Nov Dec
All 10 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 1 1
2018 0
2017 0

Largest hail on record

Largest hail reports in Oconto
Date Size Location County Damage Time · source
Mar 29, 1998 2.75 inbaseball 1 N Oconto Oconto —1 injured 15:15 local · NCEI
Aug 16, 1988 1.75 ingolf ball — Oconto — 17:30 local · NCEI
Aug 7, 2019 1.50 inping pong ball Oconto Oconto — 15:06 local · NCEI
Aug 14, 2015 1.00 inquarter 1.96 W Oconto Oconto — 14:45 local · NCEI
Aug 2, 2015 1.00 inquarter Oconto Oconto — 13:15 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Oconto
Date Size Location County Damage Time · source
Aug 7, 2019 1.50 inping pong ball Oconto Oconto — 15:06 local · NCEI
Aug 14, 2015 1.00 inquarter 1.96 W Oconto Oconto — 14:45 local · NCEI
Aug 2, 2015 1.00 inquarter Oconto Oconto — 13:15 local · NCEI
Jun 19, 2012 1.00 inquarter Oconto Oconto — 07:03 local · NCEI
Jun 14, 2004 0.75 inpenny 3 N Oconto Oconto — 15:50 local · NCEI
May 31, 1998 0.88 innickel Oconto Oconto — 00:07 local · NCEI
Mar 29, 1998 2.75 inbaseball 1 N Oconto Oconto —1 injured 15:15 local · NCEI
Jul 2, 1996 0.75 inpenny 3 N Oconto Oconto — 15:10 local · NCEI
Aug 16, 1988 1.75 ingolf ball — Oconto — 17:30 local · NCEI
Aug 17, 1965 1.00 inquarter — Oconto — 17:00 local · NCEI

Hail history near Oconto

Questions about hail in Oconto

How often does it hail in Oconto, Wisconsin?

10 hail reports have been logged in and within about 5 km (3 miles) of Oconto since 1965. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #261 of 271 Wisconsin places by number of reports.

When is hail season in Oconto?

Most reports come in August, June, March. August alone accounts for 50% of all reports.

What is the largest hail recorded in Oconto?

2.75 in (baseball size) on March 29, 1998 near 1 N Oconto. 10% of reports here were 2 inches or larger.

When did it last hail in Oconto?

The most recent report in this data is from August 7, 2019 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Oconto since November 3, 2021. The last one was on August 7, 2019.

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.