Hail history for Atlantic, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Atlantic since 1971, with preliminary reports to November 3, 2026.
Readout · Atlantic
- Last hail
- Sep 6, 2026
- 1.00 in, quarter size · preliminary
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 3.00 in
- teacup · May 13, 2001
45 reports on 33 days since 1971 · #35 of 483 Iowa places
Hail map · Atlantic
- 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 Atlantic is from September 6, 2026. A local roofer can check and document it at no cost.
What the record says about Atlantic
The latest hail report in and around Atlantic is from September 6, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on September 6, 2026.
Over the 20 years 2006–2025, Atlantic logged 13 reports on 12 hail days, about 0.7 reports a year. That is 44% more than the median Iowa town on this site (0.5 a year) and ranks #35 of 483 Iowa cities and towns on this site for all-time reports. Atlantic accounts for 26% of the 175 reports filed in Cass County.
7% 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 3.00 in (teacup) on May 13, 2001 near Atlantic.
Reports were down 70% in 2016–2025 (3) compared with 2006–2015 (10). The busiest year was 2001, with 9 reports on 4 days. Hail here peaks in May (36% of reports); 78% fall between April and June.
Reports a year 2006–2025 average
- Atlantic 0.7
- Cass County 3.1
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Atlantic 12
- Cass County 42
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Atlantic 7%
- Cass County 13%
- 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 6, 2026 | 1 | 1.00 in | View |
| Jun 14, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 13, 2001 | 3.00 inteacup | Atlantic | Cass | $75K | 08:02 local · NCEI |
| Jun 6, 1980 | 2.75 inbaseball | — | Cass | — | 07:32 local · NCEI |
| Jul 18, 1992 | 2.50 intennis ball | — | Cass | — | 23:45 local · NCEI |
| Aug 1, 2004 | 1.75 ingolf ball | Atlantic | Cass | $15K | 13:03 local · NCEI |
| Aug 20, 2002 | 1.75 ingolf ball | Atlantic | Cass | $25K | 10:11 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 17 38%
- 1–2 in 25 56%
- 2 in + 3 7%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Sep 6, 2026 | 1.00 inquarter | 2 N Atlantic | Cass | — | 20:31 UTC · NWS prelim. |
| Jun 14, 2022 | 0.75 inpenny | 0.69 N Atlantic | Cass | — | 21:34 local · NCEI |
| Jun 18, 2021 | 1.25 inhalf dollar | 1.25 ENE Atlantic | Cass | — | 22:32 local · NCEI |
| May 8, 2017 | 1.00 inquarter | 1.04 E Atlantic | Cass | — | 01:40 local · NCEI |
| Jun 19, 2009 | 0.75 inpenny | 3.4 WNW Wiota | Cass | — | 04:05 local · NCEI |
| Sep 23, 2008 | 1.00 inquarter | 0.52 E Atlantic | Cass | $2K | 15:40 local · NCEI |
| Apr 22, 2008 | 1.00 inquarter | 1.25 ENE Atlantic | Cass | $3K | 00:26 local · NCEI |
| Apr 22, 2008 | 1.00 inquarter | 0.52 E Atlantic | Cass | $3K | 00:20 local · NCEI |
| Jun 21, 2007 | 0.88 innickel | 0.52 E Atlantic | Cass | $2K | 15:00 local · NCEI |
| May 23, 2007 | 1.25 inhalf dollar | 2.08 N Fletcher Chapel | Cass | $10K | 14:28 local · NCEI |
| May 6, 2007 | 0.75 inpenny | 2.08 N Fletcher Chapel | Cass | — | 01:54 local · NCEI |
| Apr 3, 2007 | 0.88 innickel | 2.14 NNW Fletcher Chapel | Cass | $1K | 00:50 local · NCEI |
Hail history near Atlantic
Questions about hail in Atlantic
How often does it hail in Atlantic, Iowa?
45 hail reports have been logged in and within about 5 km (3 miles) of Atlantic since 1971. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #35 of 483 Iowa places by number of reports.
When is hail season in Atlantic?
Most reports come in May, June, April. May alone accounts for 36% of all reports.
What is the largest hail recorded in Atlantic?
3.00 in (teacup size) on May 13, 2001 near Atlantic. 7% of reports here were 2 inches or larger.
When did it last hail in Atlantic?
The most recent report in this data is from September 6, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Atlantic had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was September 6, 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.