Hail history for Tripoli, Iowa
NOAA hail reports in and within about 5 km (3 miles) of Tripoli since 1975, with preliminary reports to November 3, 2026.
Readout · Tripoli
- Last hail
- Apr 18, 2025
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 2.00 in
- hen egg · Jun 12, 2013
13 reports on 6 days since 1975 · #342 of 483 Iowa places
Hail map · Tripoli
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Tripoli
The latest hail report in and around Tripoli is from April 18, 2025, 1.50 in (ping pong ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.50 in on April 18, 2025.
Over the 20 years 2006–2025, Tripoli logged 10 reports on 3 hail days, about 0.5 reports a year. That is 11% more than the median Iowa town on this site (0.5 a year) and ranks #342 of 483 Iowa cities and towns on this site for all-time reports. Tripoli accounts for 10% of the 128 reports filed in Bremer County.
8% 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 2.00 in (hen egg) on June 12, 2013 near 3 NNE Knittel.
Reports were down 89% in 2016–2025 (1) compared with 2006–2015 (9). The busiest year was 2013, with 7 reports on 1 day. Hail here peaks in June (69% of reports); 100% fall between April and June.
Reports a year 2006–2025 average
- Tripoli 0.5
- Bremer County 3.8
- Median Iowa town on this site 0.5
Hail days 2006–2025
- Tripoli 3
- Bremer County 20
- Median Iowa town on this site 7
Share 2 in or larger of sized reports
- Tripoli 8%
- Bremer 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 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 18, 2025 | 1 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 12, 2013 | 2.00 inhen egg | 3 NNE Knittel | Bremer | $15K | 19:11 local · NCEI |
| Jun 12, 2013 | 1.75 ingolf ball | 1.77 SSW Tripoli | Bremer | $5K | 19:08 local · NCEI |
| Apr 18, 2025 | 1.50 inping pong ball | 0.86 NW Tripoli | Bremer | — | 03:05 local · NCEI |
| Jun 12, 2013 | 1.25 inhalf dollar | 1.6 WSW Tripoli | Bremer | $3K | 19:10 local · NCEI |
| Jun 12, 2013 | 1.00 inquarter | 2.3 SW Tripoli | Bremer | — | 19:09 local · NCEI |
Size of every report
- Under 1 in 4 31%
- 1–2 in 8 62%
- 2 in + 1 8%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 18, 2025 | 1.50 inping pong ball | 0.86 NW Tripoli | Bremer | — | 03:05 local · NCEI |
| Jun 12, 2013 | 0.88 innickel | 2.64 SE Tripoli | Bremer | — | 19:20 local · NCEI |
| Jun 12, 2013 | 0.88 innickel | 1.11 SE Tripoli | Bremer | — | 19:13 local · NCEI |
| Jun 12, 2013 | 2.00 inhen egg | 3 NNE Knittel | Bremer | $15K | 19:11 local · NCEI |
| Jun 12, 2013 | 1.25 inhalf dollar | 1.6 WSW Tripoli | Bremer | $3K | 19:10 local · NCEI |
| Jun 12, 2013 | 1.00 inquarter | 2.3 SW Tripoli | Bremer | — | 19:09 local · NCEI |
| Jun 12, 2013 | 1.75 ingolf ball | 1.77 SSW Tripoli | Bremer | $5K | 19:08 local · NCEI |
| Jun 12, 2013 | 1.00 inquarter | 2.53 WNW Tripoli | Bremer | — | 18:52 local · NCEI |
| May 22, 2011 | 1.00 inquarter | 0.86 NW Tripoli | Bremer | $3K | 14:15 local · NCEI |
| May 22, 2011 | 1.00 inquarter | 0.86 NW Tripoli | Bremer | $3K | 13:50 local · NCEI |
| May 8, 2003 | 0.75 inpenny | Waterloo | Black Hawk | — | 19:33 local · NCEI |
| Jun 14, 1991 | 0.75 inpenny | — | Bremer | — | 19:00 local · NCEI |
Hail history near Tripoli
- Readlyn 12 km · 21
- Sumner 14 km · 13
- Denver 17 km · 16
- Waverly 20 km · 22
- Plainfield 23 km · 10
- Fairbank 25 km · 19
- Janesville 25 km · 10
- New Hampton 28 km · 34
Questions about hail in Tripoli
How often does it hail in Tripoli, Iowa?
13 hail reports have been logged in and within about 5 km (3 miles) of Tripoli since 1975. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #342 of 483 Iowa places by number of reports.
When is hail season in Tripoli?
Most reports come in June, May, April. June alone accounts for 69% of all reports.
What is the largest hail recorded in Tripoli?
2.00 in (hen egg size) on June 12, 2013 near 3 NNE Knittel. 8% of reports here were 2 inches or larger.
When did it last hail in Tripoli?
The most recent report in this data is from April 18, 2025 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Tripoli 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 18, 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.