Hail History

Hail history for Clarke County, Iowa

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

Readout · Clarke County

Last hail
May 19, 2025
1.75 in, golf ball size
Hail days, last 5 years
11
since Nov 3, 2021 · 28 reports
Largest ever
3.50 in
teacup · Apr 4, 2023

125 reports on 69 days since 1960 · #63 of 100 Iowa counties

Hail map · Clarke County

Osceola Murray 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
124 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 Clarke County is from May 19, 2025. A local roofer can check and document it at no cost.

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What the record says about Clarke County

The latest hail report in Clarke County is from May 19, 2025, 1.75 in (golf ball size). Since November 3, 2021 there have been 11 separate hail days; the biggest stones in that time were 3.50 in on April 4, 2023.

Over the 20 years 2006–2025, Clarke County logged 91 reports on 49 hail days, about 4.5 reports a year. That is 23% more than the median Iowa county (3.7 a year) and ranks #63 of 100 Iowa counties for all-time reports. Clarke County holds 1% of all 16,032 hail reports in Iowa.

10% 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 3.50 in (teacup) on April 4, 2023 near 0.52 E Osceola Muni Arpt.

Reports were up 53% in 2016–2025 (55) compared with 2006–2015 (36). The busiest year was 2023, with 17 reports on 4 days. Hail here peaks in April (28% of reports); 70% fall between April and June.

Reports a year 2006–2025 average

  • Clarke County 4.5
  • Median Iowa county 3.7

Hail days 2006–2025

  • Clarke County 49
  • Median Iowa county 39.5

Share 2 in or larger of sized reports

  • Clarke County 10%
  • Median Iowa county 7%

Hail over time

05101520 1960: 1 reports, largest 1.50 in 1960 1970 1979: 1 reports, largest 1.75 in 1980 1981: 3 reports, largest 1.75 in 1986: 3 reports, largest 1.50 in 1987: 2 reports, largest 1.00 in 1990 1992: 1 reports, largest 1.75 in 1995: 1 reports, largest 0.88 in 1996: 8 reports, largest 1.75 in 1997: 3 reports, largest 1.75 in 2000 2001: 4 reports, largest 2.50 in 2002: 2 reports, largest 0.88 in 2004: 2 reports, largest 1.00 in 2005: 3 reports, largest 0.88 in 2006: 2 reports, largest 0.88 in 2007: 1 reports, largest 0.88 in 2008: 5 reports, largest 1.75 in 2009: 4 reports, largest 1.25 in 2010: 3 reports, largest 1.75 in 2010 2011: 7 reports, largest 1.50 in 2012: 7 reports, largest 2.75 in 2013: 1 reports, largest 1.00 in 2014: 5 reports, largest 1.00 in 2015: 1 reports, largest 1.25 in 2016: 1 reports, largest 1.00 in 2017: 6 reports, largest 1.50 in 2018: 4 reports, largest 1.75 in 2019: 8 reports, largest 2.00 in 2020: 2 reports, largest 1.00 in 2020 2021: 6 reports, largest 1.75 in 2022: 1 reports, largest 0.88 in 2023: 17 reports, largest 3.50 in 2024: 5 reports, largest 1.00 in 2025: 5 reports, largest 2.00 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.
010203040 Jan Feb March: 8 reports (6%) Mar April: 35 reports (28%) Apr May: 23 reports (18%) May June: 30 reports (24%) Jun July: 17 reports (14%) Jul August: 6 reports (5%) Aug September: 3 reports (2%) Sep October: 3 reports (2%) Oct Nov Dec
All 125 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 113 5
2024 221 5
2023 31121 17
2022 1 1
2021 2211 6
2020 11 2
2019 8 8
2018 22 4
2017 42 6

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 19, 2025 3 2.00 in —
Apr 17, 2025 1 1.25 in —
Mar 14, 2025 1 1.00 in —
Oct 24, 2024 1 0.75 in —
May 21, 2024 2 1.00 in —
Apr 30, 2024 2 1.00 in —
Jun 30, 2023 1 1.00 in —
May 7, 2023 2 1.00 in —
Apr 4, 2023 11 3.50 in —
Mar 31, 2023 3 1.75 in —
Jun 13, 2022 1 0.88 in —

Largest hail on record

Largest hail reports in Clarke County
Date Size Location Damage Time · source
Apr 4, 2023 3.50 inteacup 0.52 E Osceola Muni Arpt — 17:22 local · NCEI
Apr 4, 2023 3.00 inteacup 1.71 ESE Liberty — 17:30 local · NCEI
Apr 4, 2023 3.00 inteacup 4.03 NNW Osceola Muni Arpt $100K 17:23 local · NCEI
Apr 4, 2023 2.75 inbaseball 1.48 SSE Osceola Muni Arpt — 17:23 local · NCEI
Apr 4, 2023 2.75 inbaseball 0.52 W Osceola Muni Arpt — 17:22 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Clarke County
Date Size Location Time · source
May 19, 2025 1.75 ingolf ball 2.95 NNE Leslie 15:06 local · NCEI
May 19, 2025 2.00 inhen egg 0.52 E Osceola 15:06 local · NCEI
May 19, 2025 0.75 inpenny 1.25 WSW Osceola 14:57 local · NCEI
Apr 17, 2025 1.25 inhalf dollar 1.25 ESE Murray 22:11 local · NCEI
Mar 14, 2025 1.00 inquarter 0.87 SW Murray 15:15 local · NCEI
Oct 24, 2024 0.75 inpenny 0.87 SW Murray 19:45 local · NCEI
May 21, 2024 1.00 inquarter 0.87 SW Murray 15:31 local · NCEI
May 21, 2024 0.75 inpenny 1.73 SE Murray 15:18 local · NCEI
Apr 30, 2024 1.00 inquarter 1.71 WNW Osceola Muni Arpt 17:38 local · NCEI
Apr 30, 2024 1.00 inquarter 2.09 NW Osceola Muni Arpt 17:28 local · NCEI
Jun 30, 2023 1.00 inquarter 0.87 SW Murray 04:55 local · NCEI
May 7, 2023 1.00 inquarter 2.7 WNW Woodburn 21:48 local · NCEI

Cities and towns in Clarke County

PlaceReportsLargest
Osceola433.50 in
Murray422.75 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
Woodburn88May 7, 2023

Questions about hail in Clarke County

How often does it hail in Clarke County, Iowa?

125 hail reports have been logged in Clarke County since 1960. Over the 20 years 2006–2025 that averages 4.5 reports a year. That ranks #63 of 100 Iowa counties by number of reports.

When is hail season in Clarke County?

Most reports come in April, June, May. April alone accounts for 28% of all reports.

What is the largest hail recorded in Clarke County?

3.50 in (teacup size) on April 4, 2023 near 0.52 E Osceola Muni Arpt. 10% of reports here were 2 inches or larger.

When did it last hail in Clarke County?

The most recent report in this data is from May 19, 2025 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

11 separate days with hail reports since November 3, 2021, adding up to 28 reports. The most recent was May 19, 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.