Hail history for Greenfield, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Greenfield since 1961, with preliminary reports to November 3, 2026.
Readout · Greenfield
- Last hail
- Apr 19, 2023
- 0.75 in, penny size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 4.50 in
- softball · Apr 20, 1961
16 reports on 14 days since 1961 · #241 of 483 Iowa places
Hail map · Greenfield
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
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 Greenfield is from April 19, 2023. A local roofer can check and document it at no cost.
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What the record says about Greenfield
The latest hail report in and around Greenfield is from April 19, 2023, 0.75 in (penny size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 0.75 in on April 19, 2023.
Over the 20 years 2006–2025, Greenfield logged 6 reports on 5 hail days, about 0.3 reports a year. That is 33% less than the median Iowa town on this site (0.5 a year) and ranks #241 of 483 Iowa cities and towns on this site for all-time reports. Greenfield accounts for 9% of the 175 reports filed in Adair County.
13% 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 4.50 in (softball) on April 20, 1961.
The busiest year was 2015, with 2 reports on 1 day. Hail here peaks in May (38% of reports); 69% fall between April and June.
Reports a year 2006–2025 average
- Greenfield 0.3
- Adair County 5.0
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Greenfield 5
- Adair County 46
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Greenfield 13%
- Adair County 9%
- Median Iowa town on this site 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 19, 2023 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 20, 1961 | 4.50 insoftball | — | Adair | — | 15:30 local · NCEI |
| Jun 19, 1962 | 2.00 inhen egg | — | Adair | — | 17:00 local · NCEI |
| Mar 22, 2011 | 1.75 ingolf ball | 0.86 NE Greenfield | Adair | $25K | 17:30 local · NCEI |
| Sep 18, 2002 | 1.75 ingolf ball | Greenfield | Adair | $40K | 18:20 local · NCEI |
| May 13, 2001 | 1.75 ingolf ball | 2 W Greenfield | Adair | $10K | 09:05 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
- Under 1 in 3 19%
- 1–2 in 11 69%
- 2 in + 2 13%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 19, 2023 | 0.75 inpenny | 2.07 N Greenfield Arpt | Adair | — | 19:23 local · NCEI |
| Jul 9, 2021 | 1.00 inquarter | 1.04 W Greenfield Arpt | Adair | — | 07:33 local · NCEI |
| Aug 2, 2015 | 0.88 innickel | 0.86 NE Greenfield | Adair | — | 16:50 local · NCEI |
| Aug 2, 2015 | 1.00 inquarter | 0.52 E Greenfield | Adair | $5K | 16:47 local · NCEI |
| May 10, 2014 | 1.00 inquarter | 1.38 N Greenfield Arpt | Adair | — | 15:21 local · NCEI |
| Mar 22, 2011 | 1.75 ingolf ball | 0.86 NE Greenfield | Adair | $25K | 17:30 local · NCEI |
| May 4, 2003 | 1.00 inquarter | Greenfield | Adair | $5K | 17:45 local · NCEI |
| Sep 18, 2002 | 1.75 ingolf ball | Greenfield | Adair | $40K | 18:20 local · NCEI |
| May 13, 2001 | 1.75 ingolf ball | 2 W Greenfield | Adair | $10K | 09:05 local · NCEI |
| May 13, 2001 | 1.75 ingolf ball | Greenfield | Adair | $25K | 09:03 local · NCEI |
| May 22, 1998 | 1.00 inquarter | Greenfield | Adair | $1K | 01:30 local · NCEI |
| May 16, 1997 | 0.75 inpenny | 2 S Greenfield | Adair | — | 17:16 local · NCEI |
Hail history near Greenfield
- Fontanelle 9 km · 17
- Orient 12 km · 41
- Bridgewater 19 km · 20
- Casey 23 km · 11
- Stuart 25 km · 32
- Menlo 25 km · 11
- Adair 27 km · 22
- Massena 27 km · 17
Questions about hail in Greenfield
How often does it hail in Greenfield, Iowa?
16 hail reports have been logged in and within about 5 km (3 miles) of Greenfield since 1961. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #241 of 483 Iowa places by number of reports.
When is hail season in Greenfield?
Most reports come in May, April, August. May alone accounts for 38% of all reports.
What is the largest hail recorded in Greenfield?
4.50 in (softball size) on April 20, 1961. 13% of reports here were 2 inches or larger.
When did it last hail in Greenfield?
The most recent report in this data is from April 19, 2023 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Greenfield had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was April 19, 2023.
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.