Hail history for Lyon County, Kansas
Every NOAA hail report filed in Lyon County since 1955, with preliminary National Weather Service reports to November 3, 2026.
Readout · Lyon County
- Last hail
- Sep 12, 2026
- 1.00 in, quarter size · preliminary
- Hail days, last 5 years
- 21
- since Nov 3, 2021 · 49 reports
- Largest ever
- 4.00 in
- grapefruit · Dec 15, 2021
388 reports on 188 days since 1955 · #45 of 106 Kansas counties
Hail map · Lyon 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 Lyon County is from September 12, 2026. A local roofer can check and document it at no cost.
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What the record says about Lyon County
The latest hail report in Lyon County is from September 12, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 21 separate hail days; the biggest stones in that time were 4.00 in on December 15, 2021.
Over the 20 years 2006–2025, Lyon County logged 218 reports on 90 hail days, about 10.9 reports a year. That is 26% more than the median Kansas county (8.6 a year) and ranks #45 of 106 Kansas counties for all-time reports. Lyon County holds 1% of all 40,345 hail reports in Kansas.
9% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Kansas county. The largest hail on record here is 4.00 in (grapefruit) on December 15, 2021 near 4.68 SSE Plymouth.
Reports were down 30% in 2016–2025 (90) compared with 2006–2015 (128). The busiest year was 2011, with 24 reports on 8 days. Hail here peaks in May (28% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Lyon County 10.9
- Median Kansas county 8.6
Hail days 2006–2025
- Lyon County 90
- Median Kansas county 80
Share 2 in or larger of sized reports
- Lyon County 9%
- Median Kansas county 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5 | 6 | 3 | 1 | 15 | ||||||||
| 2025 | 5 | 5 | |||||||||||
| 2024 | 2 | 2 | |||||||||||
| 2023 | 2 | 2 | 3 | 1 | 1 | 9 | |||||||
| 2022 | 1 | 3 | 2 | 6 | 12 | ||||||||
| 2021 | 1 | 1 | 1 | 6 | 9 | ||||||||
| 2020 | 8 | 1 | 4 | 13 | |||||||||
| 2019 | 1 | 4 | 3 | 8 | |||||||||
| 2018 | 3 | 10 | 3 | 16 | |||||||||
| 2017 | 1 | 7 | 1 | 9 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 12, 2026 | 1 | 1.00 in | View |
| Aug 5, 2026 | 3 | 2.00 in | View |
| May 31, 2026 | 3 | 1.75 in | — |
| May 30, 2026 | 3 | 1.25 in | — |
| Apr 13, 2026 | 5 | 2.00 in | — |
| Mar 27, 2025 | 5 | 2.00 in | — |
| May 25, 2024 | 1 | 0.88 in | — |
| May 23, 2024 | 1 | 1.25 in | — |
| Sep 21, 2023 | 1 | 1.75 in | — |
| Jul 30, 2023 | 1 | 1.00 in | — |
| Jun 5, 2023 | 3 | 1.50 in | — |
| May 24, 2023 | 1 | 1.00 in | — |
| May 9, 2023 | 1 | 1.00 in | — |
| Apr 19, 2023 | 2 | 1.75 in | — |
| Sep 17, 2022 | 6 | 2.00 in | — |
| Jun 15, 2022 | 1 | 1.00 in | — |
| Jun 11, 2022 | 1 | 1.00 in | — |
| May 31, 2022 | 1 | 1.00 in | — |
| May 30, 2022 | 2 | 1.00 in | — |
| Mar 29, 2022 | 1 | 0.88 in | — |
| Dec 15, 2021 | 6 | 4.00 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Dec 15, 2021 | 4.00 ingrapefruit | 4.68 SSE Plymouth | 16:47 local · NCEI |
| Jun 10, 1958 | 4.00 ingrapefruit | — | 16:55 local · NCEI |
| Jun 10, 1958 | 4.00 ingrapefruit | — | 16:55 local · NCEI |
| Jun 2, 2008 | 3.00 inteacup | Admire | 09:08 local · NCEI |
| May 24, 1962 | 3.00 inteacup | — | 18:00 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 109 28%
- 1–2 in 246 63%
- 2 in + 33 9%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 12, 2026 | 1.00 inquarter | 5 N Emporia | 00:45 UTC · NWS prelim. |
| Aug 5, 2026 | 2.00 inhen egg | 1 E Emporia | 03:59 UTC · NWS prelim. |
| Aug 5, 2026 | 1.25 inhalf dollar | 1 ENE Emporia | 03:58 UTC · NWS prelim. |
| Aug 5, 2026 | 1.75 ingolf ball | 1 ENE Emporia | 03:58 UTC · NWS prelim. |
| May 31, 2026 | 1.50 inping pong ball | 2.07 S (Emp)emporia Muni Ar | 22:40 local · NCEI |
| May 31, 2026 | 1.00 inquarter | 4.27 SE Plymouth | 22:02 local · NCEI |
| May 31, 2026 | 1.75 ingolf ball | 3.51 SW Olpe | 20:04 local · NCEI |
| May 30, 2026 | 0.75 inpenny | 3.79 W Emporia | 21:15 local · NCEI |
| May 30, 2026 | 1.00 inquarter | 2.79 ESE Plymouth | 21:15 local · NCEI |
| May 30, 2026 | 1.25 inhalf dollar | 6.91 S Plymouth | 21:08 local · NCEI |
| Apr 13, 2026 | 2.00 inhen egg | 1.08 W Reading | 17:05 local · NCEI |
| Apr 13, 2026 | 1.25 inhalf dollar | 3.85 W Reading | 16:58 local · NCEI |
Cities and towns in Lyon County
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 |
|---|---|---|---|
| Bushong | 7 | 7 | Mar 28, 2012 |
| Hartford | 6 | 6 | Aug 24, 2016 |
Questions about hail in Lyon County
How often does it hail in Lyon County, Kansas?
388 hail reports have been logged in Lyon County since 1955. Over the 20 years 2006–2025 that averages 10.9 reports a year. That ranks #45 of 106 Kansas counties by number of reports.
When is hail season in Lyon County?
Most reports come in May, April, June. May alone accounts for 28% of all reports.
What is the largest hail recorded in Lyon County?
4.00 in (grapefruit size) on December 15, 2021 near 4.68 SSE Plymouth. 9% of reports here were 2 inches or larger.
When did it last hail in Lyon County?
The most recent report in this data is from September 12, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Lyon County had in the last five years?
21 separate days with hail reports since November 3, 2021, adding up to 49 reports. The most recent was September 12, 2026.
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.