Hail History

Hail history for Buffalo, Oklahoma

NOAA hail reports in and within about 5 km (3 miles) of Buffalo since 1976, with preliminary reports to November 3, 2026.

Readout · Buffalo

Last hail
Mar 4, 2026
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 4 reports
Largest ever
4.25 in
grapefruit · Mar 2, 2008

42 reports on 30 days since 1976 · #126 of 584 Oklahoma places

Hail map · Buffalo

Buffalo Selman May Rosston Laverne Gate 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
42 most recent reports with a location; Harper County is shaded. Open street map

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What the record says about Buffalo

The latest hail report in and around Buffalo is from March 4, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 2.50 in on May 14, 2022.

Over the 20 years 2006–2025, Buffalo logged 10 reports on 7 hail days, about 0.5 reports a year. That is 11% more than the median Oklahoma town on this site (0.5 a year) and ranks #126 of 584 Oklahoma cities and towns on this site for all-time reports. Buffalo accounts for 11% of the 368 reports filed in Harper County.

12% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Oklahoma town on this site. The largest hail on record here is 4.25 in (grapefruit) on March 2, 2008 near Buffalo.

Reports were down 57% in 2016–2025 (3) compared with 2006–2015 (7). The busiest year was 1985, with 6 reports on 2 days. Hail here peaks in May (29% of reports); 76% fall between April and June.

Reports a year 2006–2025 average

  • Buffalo 0.5
  • Harper County 5.7
  • Median Oklahoma town on this site 0.5

Hail days 2006–2025

  • Buffalo 7
  • Harper County 53
  • Median Oklahoma town on this site 8

Share 2 in or larger of sized reports

  • Buffalo 12%
  • Harper County 12%
  • Median Oklahoma town on this site 8%

Hail over time

0246 1976: 1 reports, largest 1.75 in 1979: 1 reports, largest 1.75 in 1980 1982: 1 reports, largest 1.00 in 1985: 6 reports, largest 2.00 in 1986: 4 reports, largest 1.75 in 1987: 1 reports, largest 1.00 in 1989: 2 reports, largest 1.00 in 1990: 1 reports, largest 0.75 in 1990 1991: 1 reports, largest 0.75 in 1992: 2 reports, largest 0.88 in 1996: 3 reports, largest 1.75 in 1999: 1 reports, largest 0.75 in 2000 2001: 2 reports, largest 0.88 in 2004: 4 reports, largest 2.50 in 2005: 1 reports, largest 0.75 in 2006: 1 reports, largest 0.88 in 2008: 2 reports, largest 4.25 in 2010 2012: 1 reports, largest 1.75 in 2013: 1 reports, largest 1.00 in 2015: 2 reports, largest 1.50 in 2020 2022: 3 reports, largest 2.50 in 2026: 1 reports, largest 1.00 in
Reports per year, 1976–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
051015 Jan Feb March: 6 reports (14%) Mar April: 11 reports (26%) Apr May: 12 reports (29%) May June: 9 reports (21%) Jun July: 3 reports (7%) Jul Aug September: 1 reports (2%) Sep Oct Nov Dec
All 42 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 0
2023 0
2022 3 3
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Mar 4, 2026 1 1.00 in —
May 14, 2022 3 2.50 in —

Largest hail on record

Largest hail reports in Buffalo
Date Size Location County Time · source
Mar 2, 2008 4.25 ingrapefruit Buffalo Harper 14:40 local · NCEI
May 14, 2022 2.50 intennis ball 2.77 W Buffalo Harper 18:52 local · NCEI
Jul 5, 2004 2.50 intennis ball 4 WSW Covington Garfield 19:15 local · NCEI
May 14, 2022 2.25 inhen egg 2.77 W Buffalo Harper 18:49 local · NCEI
Apr 12, 1985 2.00 inhen egg — Harper 15:58 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 Buffalo
Date Size Location County Time · source
Mar 4, 2026 1.00 inquarter 0.15 SE Buffalo Harper 00:01 local · NCEI
May 14, 2022 1.00 inquarter Buffalo Harper 19:22 local · NCEI
May 14, 2022 2.50 intennis ball 2.77 W Buffalo Harper 18:52 local · NCEI
May 14, 2022 2.25 inhen egg 2.77 W Buffalo Harper 18:49 local · NCEI
Apr 18, 2015 1.00 inquarter Buffalo Harper 13:40 local · NCEI
Apr 18, 2015 1.50 inping pong ball Buffalo Harper 13:35 local · NCEI
May 28, 2013 1.00 inquarter 1.38 S Buffalo Harper 16:20 local · NCEI
Apr 14, 2012 1.75 ingolf ball Buffalo Harper 21:45 local · NCEI
May 22, 2008 0.75 inpenny 2 SSW Buffalo Harper 18:00 local · NCEI
Mar 2, 2008 4.25 ingrapefruit Buffalo Harper 14:40 local · NCEI
Jun 21, 2006 0.88 innickel Buffalo Harper 20:30 local · NCEI
May 12, 2005 0.75 inpenny 1 E Catesby Ellis 12:40 local · NCEI

Hail history near Buffalo

Questions about hail in Buffalo

How often does it hail in Buffalo, Oklahoma?

42 hail reports have been logged in and within about 5 km (3 miles) of Buffalo since 1976. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #126 of 584 Oklahoma places by number of reports.

When is hail season in Buffalo?

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

What is the largest hail recorded in Buffalo?

4.25 in (grapefruit size) on March 2, 2008 near Buffalo. 12% of reports here were 2 inches or larger.

When did it last hail in Buffalo?

The most recent report in this data is from March 4, 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 Buffalo had in the last five years?

2 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was March 4, 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.