Hail history for Allen, Kansas
NOAA hail reports in and within about 5 km (3 miles) of Allen since 1985, with preliminary reports to November 3, 2026.
Readout · Allen
- Last hail
- Mar 27, 2025
- 1.50 in, ping pong ball size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 4 reports
- Largest ever
- 2.00 in
- hen egg · Mar 27, 2025
16 reports on 14 days since 1985 · #492 of 612 Kansas places
Hail map · Allen
- 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 Allen is from March 27, 2025. A local roofer can check and document it at no cost.
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What the record says about Allen
The latest hail report in and around Allen is from March 27, 2025, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 2.00 in on March 27, 2025.
Over the 20 years 2006–2025, Allen logged 11 reports on 9 hail days, about 0.6 reports a year. That is 15% less than the median Kansas town on this site (0.7 a year) and ranks #492 of 612 Kansas cities and towns on this site for all-time reports. Allen accounts for 4% of the 388 reports filed in Lyon County.
6% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Kansas town on this site. The largest hail on record here is 2.00 in (hen egg) on March 27, 2025 near 0.69 N Allen.
Reports were down 17% in 2016–2025 (5) compared with 2006–2015 (6). The busiest year was 2025, with 3 reports on 1 day. Hail here peaks in March (31% of reports); 44% fall between April and June.
Reports a year 2006–2025 average
- Allen 0.6
- Lyon County 10.9
- Median Kansas town on this site 0.7
Hail days 2006–2025
- Allen 9
- Lyon County 90
- Median Kansas town on this site 10
Share 2 in or larger of sized reports
- Allen 6%
- Lyon County 9%
- Median Kansas town on this site 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 3 | 3 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Mar 27, 2025 | 3 | 2.00 in | — |
| May 9, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Mar 27, 2025 | 2.00 inhen egg | 0.69 N Allen | Lyon | 08:45 local · NCEI |
| Sep 27, 2020 | 1.75 ingolf ball | 0.69 N Allen | Lyon | 09:29 local · NCEI |
| Mar 27, 2025 | 1.50 inping pong ball | 1.28 ENE Allen | Lyon | 08:47 local · NCEI |
| Sep 18, 2014 | 1.25 inhalf dollar | 0.69 N Allen | Lyon | 00:35 local · NCEI |
| May 21, 2006 | 1.25 inhalf dollar | 15 N Emporia | Lyon | 00:12 local · NCEI |
Size of every report
- Under 1 in 4 25%
- 1–2 in 11 69%
- 2 in + 1 6%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Mar 27, 2025 | 1.50 inping pong ball | 1.28 ENE Allen | Lyon | 08:47 local · NCEI |
| Mar 27, 2025 | 1.00 inquarter | 0.69 N Allen | Lyon | 08:47 local · NCEI |
| Mar 27, 2025 | 2.00 inhen egg | 0.69 N Allen | Lyon | 08:45 local · NCEI |
| May 9, 2023 | 1.00 inquarter | Allen | Lyon | 14:41 local · NCEI |
| Sep 27, 2020 | 1.75 ingolf ball | 0.69 N Allen | Lyon | 09:29 local · NCEI |
| Sep 18, 2014 | 1.25 inhalf dollar | 0.69 N Allen | Lyon | 00:35 local · NCEI |
| Apr 22, 2011 | 0.75 inpenny | 0.69 N Allen | Lyon | 02:37 local · NCEI |
| May 12, 2010 | 1.00 inquarter | 0.69 N Allen | Lyon | 20:35 local · NCEI |
| Apr 5, 2010 | 1.00 inquarter | 1.38 S Allen | Lyon | 06:40 local · NCEI |
| Mar 7, 2009 | 0.75 inpenny | Allen | Lyon | 22:46 local · NCEI |
| May 21, 2006 | 1.25 inhalf dollar | 15 N Emporia | Lyon | 00:12 local · NCEI |
| Jun 4, 2005 | 1.00 inquarter | Holton | Jackson | 17:53 local · NCEI |
Hail history near Allen
- Admire 6 km · 23
- Americus 18 km · 27
- Dunlap 19 km · 15
- Eskridge 23 km · 47
- Harveyville 23 km · 26
- Reading 24 km · 17
- Emporia 28 km · 99
- Council Grove 28 km · 48
Questions about hail in Allen
How often does it hail in Allen, Kansas?
16 hail reports have been logged in and within about 5 km (3 miles) of Allen since 1985. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #492 of 612 Kansas places by number of reports.
When is hail season in Allen?
Most reports come in March, April, May. March alone accounts for 31% of all reports.
What is the largest hail recorded in Allen?
2.00 in (hen egg size) on March 27, 2025 near 0.69 N Allen. 6% of reports here were 2 inches or larger.
When did it last hail in Allen?
The most recent report in this data is from March 27, 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 Allen had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was March 27, 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.