Hail History

Hail history for Anthon, Iowa

NOAA hail reports in and within about 5 km (3 miles) of Anthon since 1996, with preliminary reports to November 3, 2026.

Readout · Anthon

Last hail
May 15, 2026
2.00 in, hen egg size
Hail days, last 5 years
2
since Nov 3, 2021 · 3 reports
Largest ever
2.50 in
tennis ball · Jun 8, 2008

19 reports on 14 days since 1996 · #172 of 483 Iowa places

Hail map · Anthon

Anthon Correctionville Pierson Climbing Hill Smithland Moville Danbury Kingsley 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
19 most recent reports with a location; Woodbury County is shaded. Open street map

For homeowners

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What the record says about Anthon

The latest hail report in and around Anthon is from May 15, 2026, 2.00 in (hen egg size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 2.00 in on May 15, 2026.

Over the 20 years 2006–2025, Anthon logged 11 reports on 9 hail days, about 0.6 reports a year. That is 22% more than the median Iowa town on this site (0.5 a year) and ranks #172 of 483 Iowa cities and towns on this site for all-time reports. Anthon accounts for 5% of the 387 reports filed in Woodbury County.

11% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Iowa town on this site. The largest hail on record here is 2.50 in (tennis ball) on June 8, 2008 near 0.69 S Anthon.

Reports were down 90% in 2016–2025 (1) compared with 2006–2015 (10). The busiest year was 2007, with 4 reports on 2 days. Hail here peaks in August (37% of reports); 47% fall between April and June.

Reports a year 2006–2025 average

  • Anthon 0.6
  • Woodbury County 9.3
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Anthon 9
  • Woodbury County 74
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Anthon 11%
  • Woodbury County 4%
  • Median Iowa town on this site 6%

Hail over time

01234 1996: 1 reports, largest 1.75 in 2000: 2 reports, largest 1.00 in 2000 2002: 2 reports, largest 1.75 in 2004: 1 reports, largest 0.88 in 2005 2006: 1 reports, largest 0.88 in 2007: 4 reports, largest 1.75 in 2008: 2 reports, largest 2.50 in 2009: 1 reports, largest 1.00 in 2010 2012: 2 reports, largest 1.00 in 2015 2020 2024: 1 reports, largest 1.00 in 2025 2026: 2 reports, largest 2.00 in
Reports per year, 1996–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar April: 2 reports (11%) Apr May: 5 reports (26%) May June: 2 reports (11%) Jun July: 1 reports (5%) Jul August: 7 reports (37%) Aug September: 2 reports (11%) Sep Oct Nov Dec
All 19 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 2 2
2025 0
2024 1 1
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 15, 2026 2 2.00 in —
Apr 26, 2024 1 1.00 in —

Largest hail on record

Largest hail reports in Anthon
Date Size Location County Time · source
Jun 8, 2008 2.50 intennis ball 0.69 S Anthon Woodbury 00:50 local · NCEI
May 15, 2026 2.00 inhen egg 0.69 S Anthon Woodbury 17:22 local · NCEI
Aug 22, 2007 1.75 ingolf ball Anthon Woodbury 08:25 local · NCEI
Aug 16, 2002 1.75 ingolf ball Anthon Woodbury 13:25 local · NCEI
Jun 19, 1996 1.75 ingolf ball Anthon Woodbury 23:29 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Anthon
Date Size Location County Time · source
May 15, 2026 2.00 inhen egg 0.69 S Anthon Woodbury 17:22 local · NCEI
May 15, 2026 1.00 inquarter 3.49 S Anthon Woodbury 17:19 local · NCEI
Apr 26, 2024 1.00 inquarter 0.69 S Anthon Woodbury 11:06 local · NCEI
May 26, 2012 1.00 inquarter 0.69 S Anthon Woodbury 01:25 local · NCEI
May 19, 2012 0.88 innickel 3.44 SW Anthon Woodbury 18:49 local · NCEI
Aug 3, 2009 1.00 inquarter 0.69 S Anthon Woodbury 01:36 local · NCEI
Jun 8, 2008 2.50 intennis ball 0.69 S Anthon Woodbury 00:50 local · NCEI
May 6, 2008 1.00 inquarter 0.69 S Anthon Woodbury 00:00 local · NCEI
Sep 30, 2007 1.00 inquarter 3 SE Anthon Woodbury 16:20 local · NCEI
Sep 30, 2007 0.88 innickel Anthon Woodbury 16:05 local · NCEI
Aug 22, 2007 1.75 ingolf ball Anthon Woodbury 08:25 local · NCEI
Aug 22, 2007 1.00 inquarter 7 S Correctionville Woodbury 08:25 local · NCEI

Hail history near Anthon

Questions about hail in Anthon

How often does it hail in Anthon, Iowa?

19 hail reports have been logged in and within about 5 km (3 miles) of Anthon since 1996. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #172 of 483 Iowa places by number of reports.

When is hail season in Anthon?

Most reports come in August, May, April. August alone accounts for 37% of all reports.

What is the largest hail recorded in Anthon?

2.50 in (tennis ball size) on June 8, 2008 near 0.69 S Anthon. 11% of reports here were 2 inches or larger.

When did it last hail in Anthon?

The most recent report in this data is from May 15, 2026 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was May 15, 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.