Hail History

Hail history for Winnebago County, Wisconsin

Every NOAA hail report filed in Winnebago County since 1964, with preliminary National Weather Service reports to November 3, 2026.

Readout · Winnebago County

Last hail
Jun 16, 2026
1.00 in, quarter size
Hail days, last 5 years
4
since Nov 3, 2021 · 6 reports
Largest ever
4.25 in
grapefruit · May 22, 2011

143 reports on 93 days since 1964 · #23 of 73 Wisconsin counties

Hail map · Winnebago County

Oshkosh Menasha Winchester Neenah 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
140 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

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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 Winnebago County is from June 16, 2026. A local roofer can check and document it at no cost.

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What the record says about Winnebago County

The latest hail report in Winnebago County is from June 16, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.00 in on June 16, 2026.

Over the 20 years 2006–2025, Winnebago County logged 76 reports on 42 hail days, about 3.8 reports a year. That is about the same as the median Wisconsin county (3.5 a year) and ranks #23 of 73 Wisconsin counties for all-time reports. Winnebago County holds 2% of all 9,358 hail reports in Wisconsin.

6% 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 4.25 in (grapefruit) on May 22, 2011 near 0.79 NW Winchester.

Reports were down 77% in 2016–2025 (14) compared with 2006–2015 (62). The busiest year was 2008, with 16 reports on 7 days. Hail here peaks in June (23% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Winnebago County 3.8
  • Median Wisconsin county 3.5

Hail days 2006–2025

  • Winnebago County 42
  • Median Wisconsin county 37

Share 2 in or larger of sized reports

  • Winnebago County 6%
  • Median Wisconsin county 7%

Hail over time

05101520 1964: 1 reports, largest 0.75 in 1969: 1 reports, largest 1.00 in 1970 1971: 1 reports, largest 1.00 in 1972: 1 reports, largest 1.75 in 1975: 1 reports, largest 0.75 in 1977: 1 reports, largest 0.75 in 1980: 1 reports, largest 1.00 in 1980 1981: 2 reports, largest 1.75 in 1983: 4 reports, largest 1.75 in 1984: 7 reports, largest 2.75 in 1985: 1 reports, largest 0.75 in 1988: 1 reports, largest 1.75 in 1989: 2 reports, largest 3.00 in 1990 1991: 2 reports, largest 0.75 in 1992: 2 reports, largest 1.75 in 1994: 2 reports, largest 0.88 in 1995: 1 reports, largest 0.75 in 1996: 1 reports, largest 0.75 in 1998: 7 reports, largest 2.00 in 1999: 4 reports, largest 1.75 in 2000: 4 reports, largest 2.00 in 2000 2001: 1 reports, largest 0.75 in 2002: 7 reports, largest 1.75 in 2003: 4 reports, largest 1.25 in 2004: 2 reports, largest 1.00 in 2005: 4 reports, largest 1.25 in 2006: 13 reports, largest 1.75 in 2007: 2 reports, largest 1.00 in 2008: 16 reports, largest 1.25 in 2010: 8 reports, largest 1.75 in 2010 2011: 8 reports, largest 4.25 in 2012: 7 reports, largest 2.25 in 2014: 5 reports, largest 1.50 in 2015: 3 reports, largest 1.00 in 2016: 1 reports, largest 0.75 in 2017: 1 reports, largest 0.75 in 2018: 2 reports, largest 1.00 in 2020: 4 reports, largest 1.00 in 2020 2021: 2 reports, largest 1.00 in 2023: 2 reports, largest 1.00 in 2024: 1 reports, largest 1.00 in 2025: 1 reports, largest 0.88 in 2026: 2 reports, largest 1.00 in
Reports per year, 1964–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
010203040 Jan Feb March: 4 reports (3%) Mar April: 16 reports (11%) Apr May: 23 reports (16%) May June: 33 reports (23%) Jun July: 30 reports (21%) Jul August: 23 reports (16%) Aug September: 8 reports (6%) Sep October: 6 reports (4%) Oct Nov Dec
All 143 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 2 2
2025 1 1
2024 1 1
2023 2 2
2022 0
2021 2 2
2020 22 4
2019 0
2018 2 2
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 16, 2026 2 1.00 in —
Apr 28, 2025 1 0.88 in —
Jun 25, 2024 1 1.00 in —
Apr 4, 2023 2 1.00 in —

Largest hail on record

Largest hail reports in Winnebago County
Date Size Location Damage Time · source
May 22, 2011 4.25 ingrapefruit 0.79 NW Winchester $5K 15:05 local · NCEI
Jul 27, 1989 3.00 inteacup — — 10:50 local · NCEI
Apr 10, 2011 2.75 inbaseball 0.99 E Lake Winneconne — 19:11 local · NCEI
Aug 29, 1984 2.75 inbaseball — — 18:12 local · NCEI
Aug 29, 1984 2.75 inbaseball — — 17:20 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 Winnebago County
Date Size Location Time · source
Jun 16, 2026 1.00 inquarter 2.42 NE Oshkosh 12:40 local · NCEI
Jun 16, 2026 1.00 inquarter 1.99 W Oshkosh 12:22 local · NCEI
Apr 28, 2025 0.88 innickel 1.47 SSE Zittau 06:30 local · NCEI
Jun 25, 2024 1.00 inquarter 1.47 SSW (Osh)wittman Fld Osh 02:52 local · NCEI
Apr 4, 2023 1.00 inquarter 0.5 E Neenah 20:21 local · NCEI
Apr 4, 2023 0.88 innickel 0.5 W Neenah 20:21 local · NCEI
Sep 7, 2021 0.75 inpenny 5.27 SE (Osh)wittman Fld Osh 08:58 local · NCEI
Sep 7, 2021 1.00 inquarter (Osh)wittman Fld Osh 08:39 local · NCEI
Jul 28, 2020 0.88 innickel 4.93 ESE (Osh)wittman Fld Osh 15:05 local · NCEI
Jul 9, 2020 0.88 innickel 0.5 E Neenah 11:01 local · NCEI
Jun 2, 2020 1.00 inquarter 3.49 N Oshkosh 19:04 local · NCEI
Jun 2, 2020 1.00 inquarter 0.69 S Oshkosh 18:35 local · NCEI

Cities and towns in Winnebago County

PlaceReportsLargest
Oshkosh483.00 in
Menasha191.75 in
Winchester194.25 in
Neenah161.75 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
Omro76Jul 16, 2008
Fox Crossing55Aug 14, 2015
Winneconne55Apr 10, 2011
Eureka32Jul 1, 2006
Tustin33Oct 9, 2018
Butte des Morts22Aug 10, 2017
Van Dyne11Sep 7, 2021
Waukau11Sep 1, 1998

Questions about hail in Winnebago County

How often does it hail in Winnebago County, Wisconsin?

143 hail reports have been logged in Winnebago County since 1964. Over the 20 years 2006–2025 that averages 3.8 reports a year. That ranks #23 of 73 Wisconsin counties by number of reports.

When is hail season in Winnebago County?

Most reports come in June, July, May. June alone accounts for 23% of all reports.

What is the largest hail recorded in Winnebago County?

4.25 in (grapefruit size) on May 22, 2011 near 0.79 NW Winchester. 6% of reports here were 2 inches or larger.

When did it last hail in Winnebago County?

The most recent report in this data is from June 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 Winnebago County had in the last five years?

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