Hail history for Bremer County, Iowa
Every NOAA hail report filed in Bremer County since 1960, with preliminary National Weather Service reports to November 3, 2026.
Readout · Bremer County
- Last hail
- Sep 22, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 8
- since Nov 3, 2021 · 15 reports
- Largest ever
- 2.75 in
- baseball · Apr 18, 2025
128 reports on 56 days since 1960 · #59 of 100 Iowa counties
Hail map · Bremer County
- 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 Bremer County is from September 22, 2025. A local roofer can check and document it at no cost.
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What the record says about Bremer County
The latest hail report in Bremer County is from September 22, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 2.75 in on April 18, 2025.
Over the 20 years 2006–2025, Bremer County logged 76 reports on 20 hail days, about 3.8 reports a year. That is about the same as the median Iowa county (3.7 a year) and ranks #59 of 100 Iowa counties for all-time reports. Bremer County holds 1% of all 16,032 hail reports in Iowa.
9% 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 2.75 in (baseball) on April 18, 2025 near Waverly Muni Arpt.
Reports were down 59% in 2016–2025 (22) compared with 2006–2015 (54). The busiest year was 2013, with 34 reports on 3 days. Hail here peaks in June (39% of reports); 87% fall between April and June.
Reports a year 2006–2025 average
- Bremer County 3.8
- Median Iowa county 3.7
Hail days 2006–2025
- Bremer County 20
- Median Iowa county 39.5
Share 2 in or larger of sized reports
- Bremer County 9%
- Median Iowa county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 6 | 1 | 7 | ||||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 1 | 1 | 1 | 3 | 6 | ||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 3 | 3 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 22, 2025 | 1 | 1.00 in | — |
| Apr 18, 2025 | 6 | 2.75 in | — |
| May 27, 2024 | 1 | 1.00 in | — |
| May 24, 2024 | 1 | 1.00 in | — |
| Jul 28, 2023 | 3 | 2.75 in | — |
| Jun 24, 2023 | 1 | 1.00 in | — |
| May 7, 2023 | 1 | 1.00 in | — |
| Mar 31, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Apr 18, 2025 | 2.75 inbaseball | Waverly Muni Arpt | — | 02:51 local · NCEI |
| Jul 28, 2023 | 2.75 inbaseball | 0.86 SW Artesian | — | 17:23 local · NCEI |
| Jun 12, 2013 | 2.75 inbaseball | 1.85 ENE Readlyn | $25K | 19:14 local · NCEI |
| May 16, 1999 | 2.75 inbaseball | 3 S Plainfield | $25K | 17:00 local · NCEI |
| May 20, 1987 | 2.75 inbaseball | — | — | 17:11 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 32 25%
- 1–2 in 84 66%
- 2 in + 12 9%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 22, 2025 | 1.00 inquarter | 1.02 E Denver | 18:22 local · NCEI |
| Apr 18, 2025 | 1.50 inping pong ball | 0.69 S Plainfield | 04:13 local · NCEI |
| Apr 18, 2025 | 1.50 inping pong ball | 0.86 NW Tripoli | 03:05 local · NCEI |
| Apr 18, 2025 | 1.50 inping pong ball | 2.89 ENE Bremer | 03:00 local · NCEI |
| Apr 18, 2025 | 2.00 inhen egg | 1.01 E Waverly Muni Arpt | 02:52 local · NCEI |
| Apr 18, 2025 | 2.75 inbaseball | Waverly Muni Arpt | 02:51 local · NCEI |
| Apr 18, 2025 | 1.75 ingolf ball | 3.15 NNW Waverly Muni Arpt | 02:50 local · NCEI |
| May 27, 2024 | 1.00 inquarter | 0.51 E Waverly | 14:31 local · NCEI |
| May 24, 2024 | 1.00 inquarter | 0.86 NE Readlyn | 04:18 local · NCEI |
| Jul 28, 2023 | 2.75 inbaseball | 0.86 SW Artesian | 17:23 local · NCEI |
| Jul 28, 2023 | 1.25 inhalf dollar | 1.47 NNE Knittel | 17:20 local · NCEI |
| Jul 28, 2023 | 1.25 inhalf dollar | 1.47 NNE Knittel | 17:05 local · NCEI |
Cities and towns in Bremer County
| Place | Reports | Largest |
|---|---|---|
| Waverly | 22 | 2.75 in |
| Readlyn | 21 | 2.75 in |
| Denver | 16 | 4.00 in |
| Sumner | 13 | 2.00 in |
| Tripoli | 13 | 2.00 in |
| Janesville | 10 | 1.75 in |
| Plainfield | 10 | 2.75 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.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Frederika | 4 | 4 | Aug 10, 2021 |
Questions about hail in Bremer County
How often does it hail in Bremer County, Iowa?
128 hail reports have been logged in Bremer County since 1960. Over the 20 years 2006–2025 that averages 3.8 reports a year. That ranks #59 of 100 Iowa counties by number of reports.
When is hail season in Bremer County?
Most reports come in June, May, April. June alone accounts for 39% of all reports.
What is the largest hail recorded in Bremer County?
2.75 in (baseball size) on April 18, 2025 near Waverly Muni Arpt. 9% of reports here were 2 inches or larger.
When did it last hail in Bremer County?
The most recent report in this data is from September 22, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Bremer County had in the last five years?
8 separate days with hail reports since November 3, 2021, adding up to 15 reports. The most recent was September 22, 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.