Hail History

Hail history for Madison County, Iowa

Every NOAA hail report filed in Madison County since 1960, with preliminary National Weather Service reports to November 3, 2026.

Readout · Madison County

Last hail
Mar 14, 2025
0.75 in, penny size
Hail days, last 5 years
9
since Nov 3, 2021 · 17 reports
Largest ever
4.00 in
grapefruit · Jul 3, 2001

152 reports on 76 days since 1960 · #38 of 100 Iowa counties

Hail map · Madison County

Winterset Earlham Truro 50 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
147 most recent reports with a location. Dot size and colour follow hail size. Open street map

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What the record says about Madison County

The latest hail report in Madison County is from March 14, 2025, 0.75 in (penny size). Since November 3, 2021 there have been 9 separate hail days; the biggest stones in that time were 2.75 in on June 25, 2024.

Over the 20 years 2006–2025, Madison County logged 84 reports on 43 hail days, about 4.2 reports a year. That is 14% more than the median Iowa county (3.7 a year) and ranks #38 of 100 Iowa counties for all-time reports. Madison County holds 1% of all 16,032 hail reports in Iowa.

6% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Iowa county. The largest hail on record here is 4.00 in (grapefruit) on July 3, 2001 near Truro.

Reports were down 58% in 2016–2025 (25) compared with 2006–2015 (59). The busiest year was 2004, with 23 reports on 4 days. Hail here peaks in June (33% of reports); 76% fall between April and June.

Reports a year 2006–2025 average

  • Madison County 4.2
  • Median Iowa county 3.7

Hail days 2006–2025

  • Madison County 43
  • Median Iowa county 39.5

Share 2 in or larger of sized reports

  • Madison County 6%
  • Median Iowa county 7%

Hail over time

0102030 1960: 1 reports, largest 1.75 in 1960 1961: 1 reports, largest 3.00 in 1969: 1 reports, largest 0.75 in 1970 1978: 1 reports, largest 1.75 in 1980: 1 reports, largest 1.75 in 1980 1981: 1 reports, largest 1.75 in 1985: 2 reports, largest 1.75 in 1989: 1 reports, largest 1.50 in 1990: 1 reports, largest 1.75 in 1990 1992: 1 reports, largest 1.75 in 1993: 2 reports, largest 0.75 in 1995: 2 reports, largest 0.75 in 1996: 2 reports, largest 1.75 in 1997: 4 reports, largest 1.75 in 1998: 2 reports, largest 1.75 in 1999: 2 reports, largest 2.75 in 2000 2001: 11 reports, largest 4.00 in 2002: 4 reports, largest 1.75 in 2003: 3 reports, largest 1.00 in 2004: 23 reports, largest 2.75 in 2005: 2 reports, largest 0.88 in 2006: 5 reports, largest 1.75 in 2007: 3 reports, largest 1.00 in 2008: 16 reports, largest 2.75 in 2009: 8 reports, largest 1.75 in 2010: 3 reports, largest 1.00 in 2010 2011: 8 reports, largest 1.75 in 2012: 3 reports, largest 1.00 in 2013: 4 reports, largest 1.00 in 2014: 4 reports, largest 1.00 in 2015: 5 reports, largest 1.75 in 2017: 2 reports, largest 1.25 in 2018: 1 reports, largest 0.88 in 2019: 3 reports, largest 1.50 in 2020: 2 reports, largest 1.75 in 2020 2022: 3 reports, largest 1.75 in 2023: 3 reports, largest 1.75 in 2024: 10 reports, largest 2.75 in 2025: 1 reports, largest 0.75 in
Reports per year, 1960–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0204060 Jan Feb March: 14 reports (9%) Mar April: 17 reports (11%) Apr May: 49 reports (32%) May June: 50 reports (33%) Jun July: 18 reports (12%) Jul August: 2 reports (1%) Aug September: 1 reports (1%) Sep October: 1 reports (1%) Oct Nov Dec
All 152 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 1 1
2024 226 10
2023 21 3
2022 12 3
2021 0
2020 2 2
2019 21 3
2018 1 1
2017 11 2

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Mar 14, 2025 1 0.75 in —
Jun 25, 2024 6 2.75 in —
May 21, 2024 1 1.00 in —
May 19, 2024 1 1.00 in —
Apr 30, 2024 2 1.50 in —
Jul 17, 2023 1 1.25 in —
Apr 4, 2023 2 1.75 in —
Jun 25, 2022 2 1.75 in —
Mar 5, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Madison County
Date Size Location Damage Time · source
Jul 3, 2001 4.00 ingrapefruit Truro $50K 14:45 local · NCEI
Jul 5, 1961 3.00 inteacup — — 16:30 local · NCEI
Jun 25, 2024 2.75 inbaseball 1.15 S Winterset Arpt — 18:54 local · NCEI
Jun 27, 2008 2.75 inbaseball 4.16 SW Earlham $20K 16:57 local · NCEI
May 17, 2004 2.75 inbaseball 3 N Winterset $25K 18:25 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 Madison County
Date Size Location Time · source
Mar 14, 2025 0.75 inpenny 3.32 SW Patterson 15:37 local · NCEI
Jun 25, 2024 1.50 inping pong ball 0.69 N Winterset 19:00 local · NCEI
Jun 25, 2024 1.75 ingolf ball 0.86 NE Winterset 18:58 local · NCEI
Jun 25, 2024 1.50 inping pong ball 0.69 N Winterset 18:57 local · NCEI
Jun 25, 2024 2.50 intennis ball 4.32 NE Pitzer 18:56 local · NCEI
Jun 25, 2024 2.75 inbaseball 1.15 S Winterset Arpt 18:54 local · NCEI
Jun 25, 2024 0.75 inpenny 3.4 ENE Winterset Arpt 18:28 local · NCEI
May 21, 2024 1.00 inquarter 0.69 N Winterset 15:07 local · NCEI
May 19, 2024 1.00 inquarter 0.69 N Winterset 10:55 local · NCEI
Apr 30, 2024 1.00 inquarter 1.73 SE Truro 17:03 local · NCEI
Apr 30, 2024 1.50 inping pong ball 2.81 S Macksburg 16:35 local · NCEI
Jul 17, 2023 1.25 inhalf dollar 1.25 ENE Patterson 00:53 local · NCEI

Cities and towns in Madison County

PlaceReportsLargest
Winterset522.75 in
Earlham322.75 in
Truro161.75 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
Patterson86Jul 17, 2023
St. Charles77Apr 4, 2023
East Peru66Jun 17, 2009
Macksburg64Apr 30, 2024

Questions about hail in Madison County

How often does it hail in Madison County, Iowa?

152 hail reports have been logged in Madison County since 1960. Over the 20 years 2006–2025 that averages 4.2 reports a year. That ranks #38 of 100 Iowa counties by number of reports.

When is hail season in Madison County?

Most reports come in June, May, July. June alone accounts for 33% of all reports.

What is the largest hail recorded in Madison County?

4.00 in (grapefruit size) on July 3, 2001 near Truro. 6% of reports here were 2 inches or larger.

When did it last hail in Madison County?

The most recent report in this data is from March 14, 2025 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

9 separate days with hail reports since November 3, 2021, adding up to 17 reports. The most recent was March 14, 2025.

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.