Hail history for La Porte City, Iowa
NOAA hail reports in and within about 5 km (3 miles) of La Porte City since 1970, with preliminary reports to November 3, 2026.
Readout · La Porte City
- Last hail
- Jul 15, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 4.00 in
- grapefruit · May 11, 1970
10 reports on 9 days since 1970 · #461 of 483 Iowa places
Hail map · La Porte 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 La Porte City is from July 15, 2024. A local roofer can check and document it at no cost.
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What the record says about La Porte City
The latest hail report in and around La Porte City is from July 15, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.50 in on May 8, 2024.
Over the 20 years 2006–2025, La Porte City logged 3 reports on 3 hail days, about 0.1 reports a year. That is 33% of the median Iowa town on this site (0.5 a year) and ranks #461 of 483 Iowa cities and towns on this site for all-time reports. La Porte City accounts for 4% of the 253 reports filed in Black Hawk County.
30% 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 May 11, 1970.
The busiest year was 2024, with 2 reports on 2 days. Hail here peaks in April (40% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- La Porte City 0.1
- Black Hawk County 8.1
- Median Iowa town on this site 0.5
Hail days 2006–2025
- La Porte City 3
- Black Hawk County 45
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- La Porte City 30%
- Black Hawk 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 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | 2 | ||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 15, 2024 | 1 | 1.00 in | — |
| May 8, 2024 | 1 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 11, 1970 | 4.00 ingrapefruit | — | Benton | — | 18:30 local · NCEI |
| Sep 14, 1987 | 2.75 inbaseball | — | Black Hawk | — | 17:15 local · NCEI |
| Apr 19, 2000 | 2.50 intennis ball | La Porte City | Black Hawk | $40K | 19:40 local · NCEI |
| May 8, 2024 | 1.50 inping pong ball | 1.68 WSW La Porte City | Black Hawk | — | 20:55 local · NCEI |
| Apr 19, 2000 | 1.50 inping pong ball | La Porte City | Black Hawk | $20K | 19:35 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 2 20%
- 1–2 in 5 50%
- 2 in + 3 30%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 15, 2024 | 1.00 inquarter | 0.86 SE La Porte City | Black Hawk | — | 15:35 local · NCEI |
| May 8, 2024 | 1.50 inping pong ball | 1.68 WSW La Porte City | Black Hawk | — | 20:55 local · NCEI |
| Jun 28, 2017 | 1.00 inquarter | 0.51 E La Porte City | Black Hawk | — | 18:10 local · NCEI |
| Apr 11, 2001 | 0.75 inpenny | Grimes | Polk | — | 13:53 local · NCEI |
| Apr 19, 2000 | 2.50 intennis ball | La Porte City | Black Hawk | $40K | 19:40 local · NCEI |
| Apr 19, 2000 | 1.50 inping pong ball | La Porte City | Black Hawk | $20K | 19:35 local · NCEI |
| Apr 10, 1992 | 1.00 inquarter | — | Black Hawk | — | 16:38 local · NCEI |
| Sep 14, 1987 | 2.75 inbaseball | — | Black Hawk | — | 17:15 local · NCEI |
| Jul 6, 1987 | 0.75 inpenny | — | Black Hawk | — | 14:00 local · NCEI |
| May 11, 1970 | 4.00 ingrapefruit | — | Benton | — | 18:30 local · NCEI |
Hail history near La Porte City
Questions about hail in La Porte City
How often does it hail in La Porte City, Iowa?
10 hail reports have been logged in and within about 5 km (3 miles) of La Porte City since 1970. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #461 of 483 Iowa places by number of reports.
When is hail season in La Porte City?
Most reports come in April, May, July. April alone accounts for 40% of all reports.
What is the largest hail recorded in La Porte City?
4.00 in (grapefruit size) on May 11, 1970. 30% of reports here were 2 inches or larger.
When did it last hail in La Porte City?
The most recent report in this data is from July 15, 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 La Porte City 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 July 15, 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.