Hail history for Rockwell City, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Rockwell City since 1967, with preliminary reports to November 3, 2026.
Readout · Rockwell City
- Last hail
- May 24, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 4.00 in
- grapefruit · Jun 30, 2014
30 reports on 19 days since 1967 · #75 of 483 Iowa places
Hail map · Rockwell City
- 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 Rockwell City is from May 24, 2024. A local roofer can check and document it at no cost.
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What the record says about Rockwell City
The latest hail report in and around Rockwell City is from May 24, 2024, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on May 24, 2024.
Over the 20 years 2006–2025, Rockwell City logged 17 reports on 10 hail days, about 0.8 reports a year. That is 89% more than the median Iowa town on this site (0.5 a year) and ranks #75 of 483 Iowa cities and towns on this site for all-time reports. Rockwell City accounts for 22% of the 135 reports filed in Calhoun County.
20% 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 4.00 in (grapefruit) on June 30, 2014 near 0.23 NE Rockwell City.
Reports were down 58% in 2016–2025 (5) compared with 2006–2015 (12). The busiest year was 2014, with 7 reports on 1 day. Hail here peaks in May (40% of reports); 73% fall between April and June.
Reports a year 2006–2025 average
- Rockwell City 0.8
- Calhoun County 3.8
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Rockwell City 10
- Calhoun County 43
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Rockwell City 20%
- Calhoun County 11%
- 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 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 2 | 2 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 2 | 2 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 24, 2024 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 30, 2014 | 4.00 ingrapefruit | 0.23 NE Rockwell City | Calhoun | $500K | 09:07 local · NCEI |
| Jun 30, 2014 | 3.00 inteacup | 0.35 WSW Rockwell City | Calhoun | $150K | 09:06 local · NCEI |
| Jun 30, 2014 | 3.00 inteacup | Rockwell City | Calhoun | $250K | 09:03 local · NCEI |
| Jun 30, 2014 | 2.00 inhen egg | 0.44 SW Rockwell City | Calhoun | $25K | 09:07 local · NCEI |
| Jun 30, 2014 | 2.00 inhen egg | 0.07 S Rockwell City | Calhoun | $20K | 09:06 local · NCEI |
Size of every report
- Under 1 in 12 40%
- 1–2 in 12 40%
- 2 in + 6 20%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 24, 2024 | 1.00 inquarter | Rockwell City | Calhoun | — | 01:05 local · NCEI |
| Mar 28, 2020 | 1.50 inping pong ball | Rockwell City | Calhoun | — | 16:30 local · NCEI |
| Mar 28, 2020 | 1.00 inquarter | Rockwell City | Calhoun | — | 16:19 local · NCEI |
| Jun 11, 2018 | 1.00 inquarter | 1.72 NW Lanedale | Calhoun | — | 19:35 local · NCEI |
| Jun 6, 2018 | 0.88 innickel | 3.49 N Rockwell City | Calhoun | — | 15:15 local · NCEI |
| Jun 30, 2014 | 2.00 inhen egg | 0.44 SW Rockwell City | Calhoun | $25K | 09:07 local · NCEI |
| Jun 30, 2014 | 4.00 ingrapefruit | 0.23 NE Rockwell City | Calhoun | $500K | 09:07 local · NCEI |
| Jun 30, 2014 | 2.00 inhen egg | 0.07 S Rockwell City | Calhoun | $20K | 09:06 local · NCEI |
| Jun 30, 2014 | 1.75 ingolf ball | 0.43 SW Rockwell City | Calhoun | $10K | 09:06 local · NCEI |
| Jun 30, 2014 | 3.00 inteacup | 0.35 WSW Rockwell City | Calhoun | $150K | 09:06 local · NCEI |
| Jun 30, 2014 | 1.00 inquarter | 1.12 S Rockwell City Arpt | Calhoun | $1K | 09:05 local · NCEI |
| Jun 30, 2014 | 3.00 inteacup | Rockwell City | Calhoun | $250K | 09:03 local · NCEI |
Hail history near Rockwell City
Questions about hail in Rockwell City
How often does it hail in Rockwell City, Iowa?
30 hail reports have been logged in and within about 5 km (3 miles) of Rockwell City since 1967. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #75 of 483 Iowa places by number of reports.
When is hail season in Rockwell City?
Most reports come in May, June, March. May alone accounts for 40% of all reports.
What is the largest hail recorded in Rockwell City?
4.00 in (grapefruit size) on June 30, 2014 near 0.23 NE Rockwell City. 20% of reports here were 2 inches or larger.
When did it last hail in Rockwell City?
The most recent report in this data is from May 24, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Rockwell City 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 May 24, 2024.
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.