Hail history for Harper, Kansas
NOAA hail reports in and within about 5 km (3 miles) of Harper since 1962, with preliminary reports to November 3, 2026.
Readout · Harper
- Last hail
- Jun 21, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 2.50 in
- tennis ball · Sep 18, 2002
65 reports on 55 days since 1962 · #64 of 612 Kansas places
Hail map · Harper
- 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 Harper
The latest hail report in and around Harper is from June 21, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.75 in on April 30, 2024.
Over the 20 years 2006–2025, Harper logged 14 reports on 13 hail days, about 0.7 reports a year. That is about the same as the median Kansas town on this site (0.7 a year) and ranks #64 of 612 Kansas cities and towns on this site for all-time reports. Harper accounts for 18% of the 366 reports filed in Harper County.
2% 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 2.50 in (tennis ball) on September 18, 2002 near Harper.
Reports were down 73% in 2016–2025 (3) compared with 2006–2015 (11). The busiest year was 2005, with 6 reports on 4 days. Hail here peaks in May (34% of reports); 71% fall between April and June.
Reports a year 2006–2025 average
- Harper 0.7
- Harper County 4.8
- Median Kansas town on this site 0.7
Hail days 2006–2025
- Harper 13
- Harper County 60
- Median Kansas town on this site 10
Share 2 in or larger of sized reports
- Harper 2%
- Harper County 7%
- 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 21, 2026 | 1 | 1.00 in | — |
| Apr 30, 2024 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Sep 18, 2002 | 2.50 intennis ball | Harper | Harper | 15:42 local · NCEI |
| Apr 30, 2024 | 1.75 ingolf ball | Harper | Harper | 18:00 local · NCEI |
| Jun 22, 2019 | 1.75 ingolf ball | 3.83 SSE Duquoin | Harper | 16:23 local · NCEI |
| Sep 18, 2002 | 1.75 ingolf ball | Harper | Harper | 15:30 local · NCEI |
| May 24, 2002 | 1.75 ingolf ball | 2 E Harper | Harper | 18:44 local · NCEI |
Size of every report
- Under 1 in 26 40%
- 1–2 in 38 58%
- 2 in + 1 2%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 21, 2026 | 1.00 inquarter | 1.1 W Harper | Harper | 22:13 local · NCEI |
| Apr 30, 2024 | 1.75 ingolf ball | Harper | Harper | 18:00 local · NCEI |
| Jun 22, 2019 | 1.75 ingolf ball | 3.83 SSE Duquoin | Harper | 16:23 local · NCEI |
| May 14, 2018 | 0.88 innickel | 0.88 NW Harper | Harper | 23:48 local · NCEI |
| May 7, 2014 | 1.50 inping pong ball | 1.49 NNE Harper | Harper | 16:04 local · NCEI |
| May 19, 2013 | 0.75 inpenny | 0.88 NW Harper | Harper | 13:32 local · NCEI |
| Feb 20, 2012 | 0.88 innickel | 0.88 NW Harper | Harper | 15:14 local · NCEI |
| Aug 3, 2011 | 1.00 inquarter | 0.55 W Harper | Harper | 18:50 local · NCEI |
| Apr 8, 2011 | 1.00 inquarter | 1.1 E Harper | Harper | 19:36 local · NCEI |
| May 30, 2010 | 1.00 inquarter | 0.88 NW Harper | Harper | 15:19 local · NCEI |
| Jul 28, 2009 | 1.50 inping pong ball | 0.88 NW Harper | Harper | 15:40 local · NCEI |
| May 15, 2009 | 0.75 inpenny | 0.88 NW Harper | Harper | 17:16 local · NCEI |
Hail history near Harper
Questions about hail in Harper
How often does it hail in Harper, Kansas?
65 hail reports have been logged in and within about 5 km (3 miles) of Harper since 1962. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #64 of 612 Kansas places by number of reports.
When is hail season in Harper?
Most reports come in May, June, April. May alone accounts for 34% of all reports.
What is the largest hail recorded in Harper?
2.50 in (tennis ball size) on September 18, 2002 near Harper. 2% of reports here were 2 inches or larger.
When did it last hail in Harper?
The most recent report in this data is from June 21, 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 Harper had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was June 21, 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.