Hail History

Hail history for Owasso, Oklahoma

NOAA hail reports in and within about 5 km (3 miles) of Owasso since 1966, with preliminary reports to November 3, 2026.

Readout · Owasso

Last hail
May 8, 2026
1.75 in, golf ball size
Hail days, last 5 years
7
since Nov 3, 2021 · 27 reports
Largest ever
3.00 in
teacup · Jun 14, 1985

99 reports on 56 days since 1966 · #22 of 584 Oklahoma places

Hail map · Owasso

Owasso Limestone Collinsville Skiatook Catoosa Sperry Verdigris Tulsa 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
99 most recent reports with a location; Tulsa County is shaded. Open street map

For homeowners

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What the record says about Owasso

The latest hail report in and around Owasso is from May 8, 2026, 1.75 in (golf ball size). Since November 3, 2021 there have been 7 separate hail days; the biggest stones in that time were 2.00 in on May 8, 2026.

Over the 20 years 2006–2025, Owasso logged 62 reports on 29 hail days, about 3.1 reports a year. That is 6.9 times the median Oklahoma town on this site (0.5 a year) and ranks #22 of 584 Oklahoma cities and towns on this site for all-time reports. Owasso accounts for 9% of the 1,111 reports filed in Tulsa County.

4% 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 3.00 in (teacup) on June 14, 1985.

Reports were up 30% in 2016–2025 (35) compared with 2006–2015 (27). The busiest year was 2025, with 13 reports on 3 days. Hail here peaks in May (34% of reports); 73% fall between April and June.

Reports a year 2006–2025 average

  • Owasso 3.1
  • Tulsa County 24.9
  • Median Oklahoma town on this site 0.5

Hail days 2006–2025

  • Owasso 29
  • Tulsa County 147
  • Median Oklahoma town on this site 8

Share 2 in or larger of sized reports

  • Owasso 4%
  • Tulsa County 5%
  • Median Oklahoma town on this site 8%

Hail over time

051015 1966: 2 reports, largest 2.00 in 1970 1975: 1 reports, largest 1.00 in 1980 1985: 2 reports, largest 3.00 in 1990 1992: 1 reports, largest 0.88 in 1996: 6 reports, largest 1.00 in 1997: 1 reports, largest 0.75 in 1999: 4 reports, largest 1.00 in 2000: 1 reports, largest 1.75 in 2000 2001: 5 reports, largest 1.75 in 2002: 2 reports, largest 0.75 in 2003: 3 reports, largest 1.75 in 2004: 1 reports, largest 0.88 in 2005: 3 reports, largest 0.88 in 2006: 8 reports, largest 1.75 in 2007: 1 reports, largest 1.00 in 2008: 2 reports, largest 0.75 in 2009: 1 reports, largest 0.88 in 2010 2011: 6 reports, largest 1.75 in 2013: 6 reports, largest 1.00 in 2014: 3 reports, largest 1.75 in 2017: 3 reports, largest 1.00 in 2018: 1 reports, largest 1.00 in 2019: 5 reports, largest 1.50 in 2020: 4 reports, largest 1.50 in 2020 2024: 9 reports, largest 1.75 in 2025: 13 reports, largest 1.50 in 2026: 5 reports, largest 2.00 in
Reports per year, 1966–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
010203040 Jan February: 1 reports (1%) Feb March: 10 reports (10%) Mar April: 24 reports (24%) Apr May: 34 reports (34%) May June: 14 reports (14%) Jun July: 5 reports (5%) Jul August: 1 reports (1%) Aug September: 2 reports (2%) Sep October: 5 reports (5%) Oct November: 1 reports (1%) Nov December: 2 reports (2%) Dec
All 99 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 5 5
2025 121 13
2024 27 9
2023 0
2022 0
2021 0
2020 121 4
2019 5 5
2018 1 1
2017 12 3

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 8, 2026 5 2.00 in —
Sep 20, 2025 1 1.25 in —
May 24, 2025 1 0.75 in —
May 19, 2025 11 1.50 in —
May 21, 2024 6 1.75 in —
May 3, 2024 1 1.00 in —
Apr 28, 2024 2 1.00 in —

Largest hail on record

Largest hail reports in Owasso
Date Size Location County Damage Time · source
Jun 14, 1985 3.00 inteacup — Tulsa — 22:50 local · NCEI
May 8, 2026 2.00 inhen egg 6.2 WNW Verdigris Rogers $500K 16:54 local · NCEI
Apr 11, 1966 2.00 inhen egg — Rogers — 18:15 local · NCEI
Apr 11, 1966 2.00 inhen egg — Rogers — 18:15 local · NCEI
May 8, 2026 1.75 ingolf ball 4.29 SSE Collinsville Rogers $500K 16:54 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 Owasso
Date Size Location County Damage Time · source
May 8, 2026 1.75 ingolf ball 4.29 SSE Collinsville Rogers $500K 16:54 local · NCEI
May 8, 2026 2.00 inhen egg 6.2 WNW Verdigris Rogers $500K 16:54 local · NCEI
May 8, 2026 0.75 inpenny 1 N Owasso Tulsa — 16:53 local · NCEI
May 8, 2026 1.25 inhalf dollar 5.91 WNW Verdigris Rogers $75K 16:52 local · NCEI
May 8, 2026 0.75 inpenny 6.56 NNW Catoosa Rogers — 16:48 local · NCEI
Sep 20, 2025 1.25 inhalf dollar 3 S Collinsville Tulsa $25K 19:35 local · NCEI
May 24, 2025 0.75 inpenny 7 S Collinsville Rogers — 04:45 local · NCEI
May 19, 2025 0.75 inpenny 3 SE Collinsville Rogers — 15:17 local · NCEI
May 19, 2025 1.00 inquarter 3 SE Collinsville Tulsa — 15:17 local · NCEI
May 19, 2025 1.50 inping pong ball 3 S Collinsville Tulsa $25K 15:15 local · NCEI
May 19, 2025 1.25 inhalf dollar 7 S Collinsville Rogers $25K 15:13 local · NCEI
May 19, 2025 0.75 inpenny 2 E Owasso Tulsa — 15:13 local · NCEI

Hail history near Owasso

Questions about hail in Owasso

How often does it hail in Owasso, Oklahoma?

99 hail reports have been logged in and within about 5 km (3 miles) of Owasso since 1966. Over the 20 years 2006–2025 that averages 3.1 reports a year. That ranks #22 of 584 Oklahoma places by number of reports.

When is hail season in Owasso?

Most reports come in May, April, June. May alone accounts for 34% of all reports.

What is the largest hail recorded in Owasso?

3.00 in (teacup size) on June 14, 1985. 4% of reports here were 2 inches or larger.

When did it last hail in Owasso?

The most recent report in this data is from May 8, 2026 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

7 separate days with hail reports since November 3, 2021, adding up to 27 reports. The most recent was May 8, 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.