Hail History

Hail history for Cottonwood County, Minnesota

Every NOAA hail report filed in Cottonwood County since 1956, with preliminary National Weather Service reports to November 3, 2026.

Readout · Cottonwood County

Last hail
Apr 13, 2026
1.25 in, half dollar size
Hail days, last 5 years
11
since Nov 3, 2021 · 23 reports
Largest ever
3.00 in
teacup · Jul 4, 1961

144 reports on 82 days since 1956 · #50 of 88 Minnesota counties

Hail map · Cottonwood County

Windom Mountain Lake Jeffers Westbrook 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
141 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 Cottonwood County is from April 13, 2026. A local roofer can check and document it at no cost.

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What the record says about Cottonwood County

The latest hail report in Cottonwood County is from April 13, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 11 separate hail days; the biggest stones in that time were 2.00 in on April 13, 2026.

Over the 20 years 2006–2025, Cottonwood County logged 73 reports on 37 hail days, about 3.6 reports a year. That is about the same as the median Minnesota county (3.9 a year) and ranks #50 of 88 Minnesota counties for all-time reports. Cottonwood County holds 1% of all 15,925 hail reports in Minnesota.

8% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Minnesota county. The largest hail on record here is 3.00 in (teacup) on July 4, 1961.

Reports were down 30% in 2016–2025 (30) compared with 2006–2015 (43). The busiest year was 2013, with 24 reports on 5 days. Hail here peaks in May (26% of reports); 62% fall between April and June.

Reports a year 2006–2025 average

  • Cottonwood County 3.6
  • Median Minnesota county 3.9

Hail days 2006–2025

  • Cottonwood County 37
  • Median Minnesota county 42

Share 2 in or larger of sized reports

  • Cottonwood County 8%
  • Median Minnesota county 7%

Hail over time

0102030 1956: 1 reports, largest 1.75 in 1960 1961: 1 reports, largest 3.00 in 1968: 1 reports, largest 0.75 in 1970 1979: 3 reports, largest 2.75 in 1980: 4 reports, largest 2.75 in 1980 1981: 1 reports, largest 1.75 in 1985: 4 reports, largest 1.75 in 1986: 1 reports, largest 1.75 in 1990 1994: 1 reports, largest 0.75 in 1995: 2 reports, largest 1.75 in 1996: 1 reports, largest 0.75 in 1997: 2 reports, largest 1.75 in 1998: 3 reports, largest 1.00 in 2000: 6 reports, largest 1.50 in 2000 2001: 2 reports, largest 1.00 in 2002: 4 reports, largest 1.00 in 2003: 5 reports, largest 1.00 in 2004: 11 reports, largest 1.00 in 2005: 9 reports, largest 1.75 in 2006: 3 reports, largest 1.00 in 2007: 1 reports, largest 1.75 in 2008: 3 reports, largest 0.75 in 2009: 1 reports, largest 1.75 in 2010: 4 reports, largest 1.00 in 2010 2011: 3 reports, largest 1.50 in 2012: 1 reports, largest 1.00 in 2013: 24 reports, largest 2.00 in 2014: 2 reports, largest 0.88 in 2015: 1 reports, largest 0.75 in 2016: 2 reports, largest 1.00 in 2017: 7 reports, largest 1.50 in 2018: 1 reports, largest 1.00 in 2019: 2 reports, largest 1.00 in 2020: 2 reports, largest 1.25 in 2020 2021: 2 reports, largest 1.00 in 2022: 5 reports, largest 1.25 in 2023: 3 reports, largest 1.00 in 2025: 6 reports, largest 1.00 in 2026: 9 reports, largest 2.00 in
Reports per year, 1956–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
010203040 Jan Feb Mar April: 24 reports (17%) Apr May: 37 reports (26%) May June: 28 reports (19%) Jun July: 30 reports (21%) Jul August: 13 reports (9%) Aug September: 9 reports (6%) Sep October: 3 reports (2%) Oct Nov Dec
All 144 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 9 9
2025 33 6
2024 0
2023 111 3
2022 1211 5
2021 2 2
2020 2 2
2019 2 2
2018 1 1
2017 3211 7

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 13, 2026 9 2.00 in —
Sep 21, 2025 2 1.00 in —
Sep 16, 2025 1 0.88 in —
Apr 28, 2025 3 1.00 in —
Oct 24, 2023 1 1.00 in —
Aug 11, 2023 1 0.75 in —
Jul 22, 2023 1 1.00 in —
Aug 18, 2022 1 0.75 in —
Jul 5, 2022 1 0.75 in —
Jun 13, 2022 2 1.00 in —
Apr 28, 2022 1 1.25 in —

Largest hail on record

Largest hail reports in Cottonwood County
Date Size Location Time · source
Jul 4, 1961 3.00 inteacup — 21:00 local · NCEI
May 29, 1980 2.75 inbaseball — 14:45 local · NCEI
Jul 21, 1979 2.75 inbaseball — 21:44 local · NCEI
Jul 20, 1979 2.50 intennis ball — 18:30 local · NCEI
Apr 13, 2026 2.00 inhen egg 1.64 WNW Mountain Lake 17:40 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 Cottonwood County
Date Size Location Time · source
Apr 13, 2026 1.25 inhalf dollar Windom 17:50 local · NCEI
Apr 13, 2026 1.75 ingolf ball Mountain Lake 17:46 local · NCEI
Apr 13, 2026 1.25 inhalf dollar 0.69 S Windom 17:45 local · NCEI
Apr 13, 2026 2.00 inhen egg 1.64 WNW Mountain Lake 17:40 local · NCEI
Apr 13, 2026 1.50 inping pong ball 2.87 SE Delft 17:31 local · NCEI
Apr 13, 2026 1.00 inquarter 0.85 NE Delft 17:22 local · NCEI
Apr 13, 2026 2.00 inhen egg 0.69 N Windom Muni Arpt 17:21 local · NCEI
Apr 13, 2026 2.00 inhen egg 2.42 NW Windom 17:20 local · NCEI
Apr 13, 2026 2.00 inhen egg 3.06 WNW Windom Muni Arpt 17:15 local · NCEI
Sep 21, 2025 1.00 inquarter 1.38 S Windom Muni Arpt 20:53 local · NCEI
Sep 21, 2025 1.00 inquarter 0.69 N Windom 20:47 local · NCEI
Sep 16, 2025 0.88 innickel 6.39 NNW Mountain Lake 18:26 local · NCEI

Cities and towns in Cottonwood County

PlaceReportsLargest
Windom392.75 in
Mountain Lake152.00 in
Jeffers141.75 in
Westbrook101.75 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
Bingham Lake66Apr 13, 2026
Storden66Aug 11, 2023

Questions about hail in Cottonwood County

How often does it hail in Cottonwood County, Minnesota?

144 hail reports have been logged in Cottonwood County since 1956. Over the 20 years 2006–2025 that averages 3.6 reports a year. That ranks #50 of 88 Minnesota counties by number of reports.

When is hail season in Cottonwood County?

Most reports come in May, July, June. May alone accounts for 26% of all reports.

What is the largest hail recorded in Cottonwood County?

3.00 in (teacup size) on July 4, 1961. 8% of reports here were 2 inches or larger.

When did it last hail in Cottonwood County?

The most recent report in this data is from April 13, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

11 separate days with hail reports since November 3, 2021, adding up to 23 reports. The most recent was April 13, 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.