Hail history for Harper County, Kansas
Every NOAA hail report filed in Harper County since 1955, with preliminary National Weather Service reports to November 3, 2026.
Readout · Harper County
- Last hail
- Sep 12, 2026
- 0.75 in, penny size · preliminary
- Hail days, last 5 years
- 11
- since Nov 3, 2021 · 15 reports
- Largest ever
- 4.50 in
- softball · Jul 9, 2003
366 reports on 197 days since 1955 · #51 of 106 Kansas counties
Hail map · Harper 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 Harper 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 Harper County
The latest hail report in Harper County is from September 12, 2026, 0.75 in (penny size). Since November 3, 2021 there have been 11 separate hail days; the biggest stones in that time were 2.75 in on April 30, 2024.
Over the 20 years 2006–2025, Harper County logged 97 reports on 60 hail days, about 4.8 reports a year. That is 44% less than the median Kansas county (8.6 a year) and ranks #51 of 106 Kansas counties for all-time reports. Harper 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 4.50 in (softball) on July 9, 2003 near 5 SW Attica.
Reports were down 53% in 2016–2025 (31) compared with 2006–2015 (66). The busiest year was 2002, with 36 reports on 9 days. Hail here peaks in May (32% of reports); 73% fall between April and June.
Reports a year 2006–2025 average
- Harper County 4.8
- Median Kansas county 8.6
Hail days 2006–2025
- Harper County 60
- Median Kansas county 80
Share 2 in or larger of sized reports
- Harper 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 | 3 | 1 | 6 | ||||||||
| 2025 | 1 | 1 | 2 | 4 | |||||||||
| 2024 | 2 | 2 | 4 | ||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 3 | 1 | 2 | 6 | |||||||||
| 2018 | 2 | 2 | |||||||||||
| 2017 | 3 | 1 | 1 | 2 | 7 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 12, 2026 | 1 | 0.75 in | View |
| Jun 21, 2026 | 1 | 1.00 in | — |
| Jun 18, 2026 | 2 | 1.75 in | — |
| Apr 17, 2026 | 1 | 1.00 in | — |
| Mar 10, 2026 | 1 | 1.00 in | — |
| Sep 1, 2025 | 2 | 2.50 in | — |
| Jul 21, 2025 | 1 | 1.00 in | — |
| May 24, 2025 | 1 | 1.00 in | — |
| May 25, 2024 | 2 | 2.00 in | — |
| Apr 30, 2024 | 2 | 2.75 in | — |
| Mar 29, 2022 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 9, 2003 | 4.50 insoftball | 5 SW Attica | $100K | 19:40 local · NCEI |
| May 17, 1959 | 4.00 ingrapefruit | — | — | 18:45 local · NCEI |
| Jul 20, 2009 | 3.00 inteacup | 2.2 E Runnymede | $300K | 18:45 local · NCEI |
| Jun 10, 1970 | 3.00 inteacup | — | — | 15:50 local · NCEI |
| Apr 30, 2024 | 2.75 inbaseball | Anthony | — | 18:10 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 135 37%
- 1–2 in 206 56%
- 2 in + 25 7%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 12, 2026 | 0.75 inpenny | 5 SSW Zenda | 01:02 UTC · NWS prelim. |
| Jun 21, 2026 | 1.00 inquarter | 1.1 W Harper | 22:13 local · NCEI |
| Jun 18, 2026 | 1.75 ingolf ball | Anthony | 14:04 local · NCEI |
| Jun 18, 2026 | 1.00 inquarter | 2.98 NNW Anthony | 13:59 local · NCEI |
| Apr 17, 2026 | 1.00 inquarter | 0.88 SW Bluff City | 14:57 local · NCEI |
| Mar 10, 2026 | 1.00 inquarter | Anthony | 19:45 local · NCEI |
| Sep 1, 2025 | 2.50 intennis ball | 0.69 N Attica | 17:12 local · NCEI |
| Sep 1, 2025 | 1.25 inhalf dollar | 0.69 N Attica | 17:08 local · NCEI |
| Jul 21, 2025 | 1.00 inquarter | 3.89 ENE Runnymede | 20:53 local · NCEI |
| May 24, 2025 | 1.00 inquarter | Anthony | 23:09 local · NCEI |
| May 25, 2024 | 1.00 inquarter | 4.87 S Corwin | 18:35 local · NCEI |
| May 25, 2024 | 2.00 inhen egg | 5.31 NNE Corwin | 18:27 local · NCEI |
Cities and towns in Harper County
| Place | Reports | Largest |
|---|---|---|
| Anthony | 73 | 2.75 in |
| Harper | 65 | 2.50 in |
| Attica | 43 | 2.50 in |
| Bluff City | 23 | 4.00 in |
| Waldron | 15 | 2.00 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 |
|---|---|---|---|
| Danville | 7 | 6 | May 6, 2015 |
Questions about hail in Harper County
How often does it hail in Harper County, Kansas?
366 hail reports have been logged in Harper County since 1955. Over the 20 years 2006–2025 that averages 4.8 reports a year. That ranks #51 of 106 Kansas counties by number of reports.
When is hail season in Harper County?
Most reports come in May, June, April. May alone accounts for 32% of all reports.
What is the largest hail recorded in Harper County?
4.50 in (softball size) on July 9, 2003 near 5 SW Attica. 7% of reports here were 2 inches or larger.
When did it last hail in Harper County?
The most recent report in this data is from September 12, 2026 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Harper County had in the last five years?
11 separate days with hail reports since November 3, 2021, adding up to 15 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.