Hail History

Hail history for Portis, Kansas

NOAA hail reports in and within about 5 km (3 miles) of Portis since 1964, with preliminary reports to November 3, 2026.

Readout · Portis

Last hail
May 25, 2024
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.75 in
golf ball · May 21, 2011

17 reports on 16 days since 1964 · #484 of 612 Kansas places

Hail map · Portis

Portis Osborne Downs Cawker City Alton 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
17 most recent reports with a location; Osborne County is shaded. Open street map

For homeowners

Concerned about your roof after hail?

Send a request to Moxisync Labs for review. The latest hail report in Portis is from May 25, 2024. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Roofer? Get hail alerts for your area with StormScope

What the record says about Portis

The latest hail report in and around Portis is from May 25, 2024, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on May 25, 2024.

Over the 20 years 2006–2025, Portis logged 8 reports on 7 hail days, about 0.4 reports a year. That is 38% less than the median Kansas town on this site (0.7 a year) and ranks #484 of 612 Kansas cities and towns on this site for all-time reports. Portis accounts for 5% of the 352 reports filed in Osborne County.

0% 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 1.75 in (golf ball) on May 21, 2011 near 0.72 WSW Portis.

Reports were down 40% in 2016–2025 (3) compared with 2006–2015 (5). The busiest year was 2011, with 3 reports on 2 days. Hail here peaks in May (29% of reports); 65% fall between April and June.

Reports a year 2006–2025 average

  • Portis 0.4
  • Osborne County 8.1
  • Median Kansas town on this site 0.7

Hail days 2006–2025

  • Portis 7
  • Osborne County 83
  • Median Kansas town on this site 10

Share 2 in or larger of sized reports

  • Portis 0%
  • Osborne County 6%
  • Median Kansas town on this site 7%

Hail over time

0123 1964: 1 reports, largest 1.50 in 1970 1980 1986: 1 reports, largest 0.75 in 1987: 1 reports, largest 0.75 in 1990: 2 reports, largest 1.25 in 1990 1996: 1 reports, largest 1.75 in 2000 2003: 2 reports, largest 1.25 in 2004: 1 reports, largest 1.00 in 2009: 1 reports, largest 1.00 in 2010 2011: 3 reports, largest 1.75 in 2013: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.00 in 2018: 1 reports, largest 1.50 in 2020 2024: 1 reports, largest 1.00 in
Reports per year, 1964–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar April: 2 reports (12%) Apr May: 5 reports (29%) May June: 4 reports (24%) Jun July: 1 reports (6%) Jul August: 5 reports (29%) Aug Sep Oct Nov Dec
All 17 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 1 1
2023 0
2022 0
2021 0
2020 0
2019 0
2018 1 1
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 25, 2024 1 1.00 in —

Largest hail on record

Largest hail reports in Portis
Date Size Location County Damage Time · source
May 21, 2011 1.75 ingolf ball 0.72 WSW Portis Osborne — 17:05 local · NCEI
Jul 3, 1996 1.75 ingolf ball 6 E Harlan Smith $10K 18:30 local · NCEI
May 29, 2018 1.50 inping pong ball 2 S Portis Osborne $25K 17:55 local · NCEI
Aug 10, 1964 1.50 inping pong ball — Osborne — 19:00 local · NCEI
Jun 28, 2003 1.25 inhalf dollar 3 S Portis Osborne — 19:55 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

Most recent reports

Most recent hail reports in Portis
Date Size Location County Damage Time · source
May 25, 2024 1.00 inquarter 3.62 SSW Portis Osborne — 19:16 local · NCEI
May 29, 2018 1.50 inping pong ball 2 S Portis Osborne $25K 17:55 local · NCEI
May 16, 2017 1.00 inquarter Portis Osborne — 16:03 local · NCEI
Jun 18, 2013 1.00 inquarter 1.74 WSW Portis Osborne — 14:30 local · NCEI
May 21, 2011 1.75 ingolf ball 0.72 WSW Portis Osborne — 17:05 local · NCEI
Apr 14, 2011 0.88 innickel 6 N Osborne Osborne — 16:04 local · NCEI
Apr 14, 2011 1.00 inquarter Portis Osborne — 16:00 local · NCEI
Aug 25, 2009 1.00 inquarter 2.81 S Portis Osborne — 16:30 local · NCEI
Jun 5, 2004 1.00 inquarter Portis Osborne — 15:19 local · NCEI
Aug 18, 2003 0.75 inpenny 13 S Woodston Rooks — 15:35 local · NCEI
Jun 28, 2003 1.25 inhalf dollar 3 S Portis Osborne — 19:55 local · NCEI
Jul 3, 1996 1.75 ingolf ball 6 E Harlan Smith $10K 18:30 local · NCEI

Hail history near Portis

Questions about hail in Portis

How often does it hail in Portis, Kansas?

17 hail reports have been logged in and within about 5 km (3 miles) of Portis since 1964. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #484 of 612 Kansas places by number of reports.

When is hail season in Portis?

Most reports come in May, August, June. May alone accounts for 29% of all reports.

What is the largest hail recorded in Portis?

1.75 in (golf ball size) on May 21, 2011 near 0.72 WSW Portis. 0% of reports here were 2 inches or larger.

When did it last hail in Portis?

The most recent report in this data is from May 25, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Portis had in the last five years?

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was May 25, 2024.

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.