Hail History

Hail history for Oconto, Nebraska

NOAA hail reports in and within about 5 km (3 miles) of Oconto since 1975, with preliminary reports to November 3, 2026.

Readout · Oconto

Last hail
May 16, 2026
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
3.00 in
teacup · Aug 13, 2017

32 reports on 26 days since 1975 · #122 of 469 Nebraska places

Hail map · Oconto

Oconto Callaway Broken Bow Berwyn Ansley Merna 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
32 most recent reports with a location; Custer 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 May 16, 2026, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on May 16, 2026.

Over the 20 years 2006–2025, Oconto logged 16 reports on 13 hail days, about 0.8 reports a year. That is 33% more than the median Nebraska town on this site (0.6 a year) and ranks #122 of 469 Nebraska cities and towns on this site for all-time reports. Oconto accounts for 4% of the 834 reports filed in Custer County.

16% of reports with a size were 2 inches (hen egg) or larger, against 9% for the median Nebraska town on this site. The largest hail on record here is 3.00 in (teacup) on August 13, 2017 near 4.17 SE Oconto.

Reports were down 67% in 2016–2025 (4) compared with 2006–2015 (12). The busiest year was 2014, with 6 reports on 5 days. Hail here peaks in May (28% of reports); 44% fall between April and June.

Reports a year 2006–2025 average

  • Oconto 0.8
  • Custer County 22.6
  • Median Nebraska town on this site 0.6

Hail days 2006–2025

  • Oconto 13
  • Custer County 170
  • Median Nebraska town on this site 10

Share 2 in or larger of sized reports

  • Oconto 16%
  • Custer County 10%
  • Median Nebraska town on this site 9%

Hail over time

0246 1975: 1 reports, largest 1.00 in 1980 1988: 1 reports, largest 1.75 in 1990 1996: 2 reports, largest 2.75 in 1999: 1 reports, largest 0.88 in 2000: 5 reports, largest 1.75 in 2000 2001: 1 reports, largest 0.75 in 2003: 2 reports, largest 1.75 in 2004: 2 reports, largest 1.00 in 2007: 1 reports, largest 0.88 in 2008: 1 reports, largest 0.88 in 2009: 1 reports, largest 1.75 in 2010: 1 reports, largest 2.50 in 2010 2013: 1 reports, largest 1.00 in 2014: 6 reports, largest 1.75 in 2015: 1 reports, largest 1.75 in 2017: 3 reports, largest 3.00 in 2019: 1 reports, largest 2.00 in 2020 2026: 1 reports, largest 1.00 in
Reports per year, 1975–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan Feb Mar April: 1 reports (3%) Apr May: 9 reports (28%) May June: 4 reports (13%) Jun July: 8 reports (25%) Jul August: 7 reports (22%) Aug September: 2 reports (6%) Sep October: 1 reports (3%) Oct Nov Dec
All 32 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 1 1
2018 0
2017 3 3

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 16, 2026 1 1.00 in —

Largest hail on record

Largest hail reports in Oconto
Date Size Location County Time · source
Aug 13, 2017 3.00 inteacup 4.17 SE Oconto Custer 19:36 local · NCEI
Aug 10, 1996 2.75 inbaseball Oconto Custer 17:10 local · NCEI
Jul 10, 2010 2.50 intennis ball 1.25 ESE Oconto Custer 18:00 local · NCEI
May 17, 2019 2.00 inhen egg 1.25 ESE Oconto Custer 19:45 local · NCEI
Aug 13, 2017 2.00 inhen egg 1.25 ESE Oconto Custer 19:33 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Oconto
Date Size Location County Time · source
May 16, 2026 1.00 inquarter 3.2 ESE Oconto Custer 16:20 local · NCEI
May 17, 2019 2.00 inhen egg 1.25 ESE Oconto Custer 19:45 local · NCEI
Aug 13, 2017 3.00 inteacup 4.17 SE Oconto Custer 19:36 local · NCEI
Aug 13, 2017 2.00 inhen egg 1.25 ESE Oconto Custer 19:33 local · NCEI
Aug 13, 2017 1.25 inhalf dollar 1.56 E Oconto Custer 19:31 local · NCEI
Aug 27, 2015 1.75 ingolf ball 1.71 WNW Oconto Custer 17:38 local · NCEI
Sep 23, 2014 1.00 inquarter 3.33 SE Oconto Custer 19:54 local · NCEI
Jul 9, 2014 1.00 inquarter 1.25 ESE Oconto Custer 23:20 local · NCEI
Jul 9, 2014 1.00 inquarter 1.25 ESE Oconto Custer 23:08 local · NCEI
Jul 7, 2014 1.75 ingolf ball 1.73 NW Oconto Custer 18:03 local · NCEI
Jun 3, 2014 1.00 inquarter 1.25 ESE Oconto Custer 20:30 local · NCEI
Apr 27, 2014 1.25 inhalf dollar 2.14 SSW Oconto Custer 11:08 local · NCEI

Hail history near Oconto

Questions about hail in Oconto

How often does it hail in Oconto, Nebraska?

32 hail reports have been logged in and within about 5 km (3 miles) of Oconto since 1975. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #122 of 469 Nebraska places by number of reports.

When is hail season in Oconto?

Most reports come in May, July, August. May alone accounts for 28% of all reports.

What is the largest hail recorded in Oconto?

3.00 in (teacup size) on August 13, 2017 near 4.17 SE Oconto. 16% of reports here were 2 inches or larger.

When did it last hail in Oconto?

The most recent report in this data is from May 16, 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 had in the last five years?

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was May 16, 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.