Hail history for Pottawatomie County, Kansas
Every NOAA hail report filed in Pottawatomie County since 1957, with preliminary National Weather Service reports to November 3, 2026.
Readout · Pottawatomie County
- Last hail
- Sep 19, 2026
- 1.00 in, quarter size · preliminary
- Hail days, last 5 years
- 15
- since Nov 3, 2021 · 43 reports
- Largest ever
- 4.00 in
- grapefruit · Jun 29, 1998
410 reports on 182 days since 1957 · #35 of 106 Kansas counties
Hail map · Pottawatomie 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 Pottawatomie County is from September 19, 2026. A local roofer can check and document it at no cost.
Phone line opening soon
What the record says about Pottawatomie County
The latest hail report in Pottawatomie County is from September 19, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 15 separate hail days; the biggest stones in that time were 2.75 in on June 13, 2024.
Over the 20 years 2006–2025, Pottawatomie County logged 226 reports on 77 hail days, about 11.3 reports a year. That is 31% more than the median Kansas county (8.6 a year) and ranks #35 of 106 Kansas counties for all-time reports. Pottawatomie County holds 1% of all 40,345 hail reports in Kansas.
7% 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 June 29, 1998 near 3 SW Olsburg.
Reports were down 51% in 2016–2025 (74) compared with 2006–2015 (152). The busiest year was 2011, with 48 reports on 5 days. Hail here peaks in June (34% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- Pottawatomie County 11.3
- Median Kansas county 8.6
Hail days 2006–2025
- Pottawatomie County 77
- Median Kansas county 80
Share 2 in or larger of sized reports
- Pottawatomie County 7%
- Median Kansas county 8%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 2 | ||||||||||
| 2025 | 3 | 2 | 5 | ||||||||||
| 2024 | 4 | 1 | 16 | 1 | 22 | ||||||||
| 2023 | 4 | 2 | 4 | 10 | |||||||||
| 2022 | 3 | 1 | 4 | ||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 3 | 1 | 3 | 7 | |||||||||
| 2019 | 1 | 2 | 3 | ||||||||||
| 2018 | 1 | 4 | 5 | ||||||||||
| 2017 | 1 | 4 | 1 | 2 | 1 | 9 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 19, 2026 | 1 | 1.00 in | View |
| Aug 18, 2026 | 1 | 1.25 in | View |
| May 19, 2025 | 2 | 1.50 in | — |
| Apr 28, 2025 | 3 | 1.00 in | — |
| Oct 24, 2024 | 1 | 1.00 in | — |
| Jun 13, 2024 | 16 | 2.75 in | — |
| May 6, 2024 | 1 | 1.00 in | — |
| Mar 13, 2024 | 4 | 1.00 in | — |
| Sep 16, 2023 | 4 | 1.50 in | — |
| May 30, 2023 | 1 | 1.25 in | — |
| May 7, 2023 | 1 | 1.00 in | — |
| Apr 19, 2023 | 4 | 1.75 in | — |
| Sep 18, 2022 | 1 | 1.00 in | — |
| Jun 11, 2022 | 1 | 1.75 in | — |
| Jun 10, 2022 | 2 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 29, 1998 | 4.00 ingrapefruit | 3 SW Olsburg | — | 17:56 local · NCEI |
| May 20, 1998 | 3.50 inteacup | 3 N Flush | $1K | 17:35 local · NCEI |
| Jul 22, 2017 | 3.00 inteacup | 3.62 NNW St Clere | — | 16:30 local · NCEI |
| Jun 13, 2024 | 2.75 inbaseball | 2.14 SSE Flush | — | 18:30 local · NCEI |
| Jul 11, 2020 | 2.75 inbaseball | 0.69 S Westmoreland | — | 12:00 local · NCEI |
Size of every report
- Under 1 in 111 27%
- 1–2 in 272 66%
- 2 in + 27 7%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 19, 2026 | 1.00 inquarter | 3 E Olsburg | 23:45 UTC · NWS prelim. |
| Aug 18, 2026 | 1.25 inhalf dollar | 5 S Onaga | 04:02 UTC · NWS prelim. |
| May 19, 2025 | 1.00 inquarter | 2.14 SSW Duluth | 16:31 local · NCEI |
| May 19, 2025 | 1.50 inping pong ball | 1.6 W Olsburg | 16:06 local · NCEI |
| Apr 28, 2025 | 1.00 inquarter | 4.49 WSW Laclede | 18:30 local · NCEI |
| Apr 28, 2025 | 1.00 inquarter | 0.87 SE St George | 17:55 local · NCEI |
| Apr 28, 2025 | 1.00 inquarter | 0.87 SE St George | 17:25 local · NCEI |
| Oct 24, 2024 | 1.00 inquarter | 1.27 ENE Wamego | 17:38 local · NCEI |
| Jun 13, 2024 | 1.50 inping pong ball | 0.87 NE Wamego | 18:53 local · NCEI |
| Jun 13, 2024 | 1.50 inping pong ball | 1.27 ENE Wamego | 18:52 local · NCEI |
| Jun 13, 2024 | 2.50 intennis ball | 1.27 ENE Wamego | 18:50 local · NCEI |
| Jun 13, 2024 | 2.00 inhen egg | 1.07 W Wamego Muni Arpt | 18:50 local · NCEI |
Cities and towns in Pottawatomie County
| Place | Reports | Largest |
|---|---|---|
| Wamego | 55 | 2.50 in |
| Westmoreland | 40 | 2.75 in |
| Olsburg | 38 | 4.00 in |
| St. Marys | 29 | 4.00 in |
| St. George | 28 | 2.00 in |
| Emmett | 26 | 2.75 in |
| Onaga | 15 | 2.00 in |
| Belvue | 14 | 2.75 in |
| Louisville | 13 | 1.75 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 |
|---|---|---|---|
| Havensville | 7 | 7 | Apr 15, 2006 |
| Wheaton | 4 | 4 | Sep 16, 2023 |
| Zeandale | 3 | 3 | Jul 15, 1992 |
Questions about hail in Pottawatomie County
How often does it hail in Pottawatomie County, Kansas?
410 hail reports have been logged in Pottawatomie County since 1957. Over the 20 years 2006–2025 that averages 11.3 reports a year. That ranks #35 of 106 Kansas counties by number of reports.
When is hail season in Pottawatomie County?
Most reports come in June, April, May. June alone accounts for 34% of all reports.
What is the largest hail recorded in Pottawatomie County?
4.00 in (grapefruit size) on June 29, 1998 near 3 SW Olsburg. 7% of reports here were 2 inches or larger.
When did it last hail in Pottawatomie County?
The most recent report in this data is from September 19, 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 Pottawatomie County had in the last five years?
15 separate days with hail reports since November 3, 2021, adding up to 43 reports. The most recent was September 19, 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.