Hail History

Hail history for Osseo, Wisconsin

NOAA hail reports in and within about 5 km (3 miles) of Osseo since 1988, with preliminary reports to November 3, 2026.

Readout · Osseo

Last hail
Jun 19, 2026
1.00 in, quarter size
Hail days, last 5 years
3
since Nov 3, 2021 · 6 reports
Largest ever
2.00 in
hen egg · Aug 5, 2019

23 reports on 16 days since 1988 · #54 of 271 Wisconsin places

Hail map · Osseo

Osseo Strum Eleva Fairchild Whitehall Blair Taylor Merrillan 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
23 most recent reports with a location; Trempealeau County is shaded. Open street map

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What the record says about Osseo

The latest hail report in and around Osseo is from June 19, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.75 in on June 19, 2026.

Over the 20 years 2006–2025, Osseo logged 11 reports on 8 hail days, about 0.6 reports a year. That is 22% more than the median Wisconsin town on this site (0.5 a year) and ranks #54 of 271 Wisconsin cities and towns on this site for all-time reports. Osseo accounts for 11% of the 207 reports filed in Trempealeau County.

9% 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 2.00 in (hen egg) on August 5, 2019 near Osseo.

Reports were down 43% in 2016–2025 (4) compared with 2006–2015 (7). The busiest year was 2026, with 5 reports on 2 days. Hail here peaks in June (30% of reports); 48% fall between April and June.

Reports a year 2006–2025 average

  • Osseo 0.6
  • Trempealeau County 6.5
  • Median Wisconsin town on this site 0.5

Hail days 2006–2025

  • Osseo 8
  • Trempealeau County 54
  • Median Wisconsin town on this site 7

Share 2 in or larger of sized reports

  • Osseo 9%
  • Trempealeau County 9%
  • Median Wisconsin town on this site 6%

Hail over time

0246 1988: 1 reports, largest 1.75 in 1990 1992: 3 reports, largest 1.00 in 1995 1996: 1 reports, largest 0.75 in 1998: 1 reports, largest 0.75 in 2000 2001: 1 reports, largest 0.75 in 2005 2006: 2 reports, largest 1.00 in 2008: 1 reports, largest 1.00 in 2010: 2 reports, largest 2.00 in 2010 2014: 1 reports, largest 1.00 in 2015: 1 reports, largest 0.88 in 2015 2019: 2 reports, largest 2.00 in 2020 2021: 1 reports, largest 0.88 in 2024: 1 reports, largest 1.75 in 2025 2026: 5 reports, largest 1.75 in
Reports per year, 1988–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb March: 1 reports (4%) Mar April: 2 reports (9%) Apr May: 2 reports (9%) May June: 7 reports (30%) Jun July: 5 reports (22%) Jul August: 4 reports (17%) Aug Sep October: 2 reports (9%) Oct Nov Dec
All 23 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 23 5
2025 0
2024 1 1
2023 0
2022 0
2021 1 1
2020 0
2019 2 2
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 19, 2026 3 1.75 in —
Apr 13, 2026 2 1.75 in —
May 18, 2024 1 1.75 in —

Largest hail on record

Largest hail reports in Osseo
Date Size Location County Damage Time · source
Aug 5, 2019 2.00 inhen egg Osseo Trempealeau $900K 16:30 local · NCEI
Jul 14, 2010 2.00 inhen egg 2.18 E Osseo Trempealeau — 15:00 local · NCEI
Jun 19, 2026 1.75 ingolf ball Osseo Trempealeau $55K 17:45 local · NCEI
Apr 13, 2026 1.75 ingolf ball Osseo Trempealeau $375K 17:41 local · NCEI
May 18, 2024 1.75 ingolf ball 1.38 S Osseo Trempealeau $27K 14:34 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Osseo
Date Size Location County Damage Time · source
Jun 19, 2026 1.00 inquarter 2.56 ENE Osseo Trempealeau — 17:47 local · NCEI
Jun 19, 2026 1.75 ingolf ball Osseo Trempealeau $55K 17:45 local · NCEI
Jun 19, 2026 1.50 inping pong ball 5.79 ESE Foster Eau Claire — 17:45 local · NCEI
Apr 13, 2026 1.75 ingolf ball Osseo Trempealeau $375K 17:41 local · NCEI
Apr 13, 2026 1.00 inquarter 4.97 E Foster Eau Claire — 17:37 local · NCEI
May 18, 2024 1.75 ingolf ball 1.38 S Osseo Trempealeau $27K 14:34 local · NCEI
Jun 24, 2021 0.88 innickel 1.38 S Osseo Trempealeau — 14:14 local · NCEI
Aug 5, 2019 2.00 inhen egg Osseo Trempealeau $900K 16:30 local · NCEI
Aug 5, 2019 1.75 ingolf ball Osseo Trempealeau — 16:28 local · NCEI
Jul 13, 2015 0.88 innickel Osseo Trempealeau — 16:47 local · NCEI
May 19, 2014 1.00 inquarter 3.13 SSE Osseo Trempealeau — 15:47 local · NCEI
Jul 14, 2010 2.00 inhen egg 2.18 E Osseo Trempealeau — 15:00 local · NCEI

Hail history near Osseo

Questions about hail in Osseo

How often does it hail in Osseo, Wisconsin?

23 hail reports have been logged in and within about 5 km (3 miles) of Osseo since 1988. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #54 of 271 Wisconsin places by number of reports.

When is hail season in Osseo?

Most reports come in June, July, August. June alone accounts for 30% of all reports.

What is the largest hail recorded in Osseo?

2.00 in (hen egg size) on August 5, 2019 near Osseo. 9% of reports here were 2 inches or larger.

When did it last hail in Osseo?

The most recent report in this data is from June 19, 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 Osseo had in the last five years?

3 separate days with hail reports since November 3, 2021, adding up to 6 reports. The most recent was June 19, 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.