Hail History

Hail history for Blackwell, Oklahoma

NOAA hail reports in and within about 5 km (3 miles) of Blackwell since 1957, with preliminary reports to November 3, 2026.

Readout · Blackwell

Last hail
Jun 13, 2026
0.75 in, penny size
Hail days, last 5 years
8
since Nov 3, 2021 · 12 reports
Largest ever
2.75 in
baseball · May 8, 2008

98 reports on 72 days since 1957 · #23 of 584 Oklahoma places

Hail map · Blackwell

Blackwell Nardin Braman Peckham Tonkawa Kildare Ponca City Newkirk 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
98 most recent reports with a location; Kay County is shaded. Open street map

For homeowners

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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 Blackwell is from June 13, 2026. A local roofer can check and document it at no cost.

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What the record says about Blackwell

The latest hail report in and around Blackwell is from June 13, 2026, 0.75 in (penny size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 2.50 in on April 27, 2024.

Over the 20 years 2006–2025, Blackwell logged 36 reports on 26 hail days, about 1.8 reports a year. That is 4.0 times the median Oklahoma town on this site (0.5 a year) and ranks #23 of 584 Oklahoma cities and towns on this site for all-time reports. Blackwell accounts for 17% of the 569 reports filed in Kay County.

7% 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 2.75 in (baseball) on May 8, 2008 near Blackwell.

Reports held about level in 2016–2025 (19) compared with 2006–2015 (17). The busiest year was 1998, with 9 reports on 5 days. Hail here peaks in May (29% of reports); 66% fall between April and June.

Reports a year 2006–2025 average

  • Blackwell 1.8
  • Kay County 9.6
  • Median Oklahoma town on this site 0.5

Hail days 2006–2025

  • Blackwell 26
  • Kay County 79
  • Median Oklahoma town on this site 8

Share 2 in or larger of sized reports

  • Blackwell 7%
  • Kay County 9%
  • Median Oklahoma town on this site 8%

Hail over time

0369 1957: 1 reports, largest 1.00 in 1960 1963: 2 reports, largest 2.75 in 1964: 4 reports, largest 2.50 in 1966: 3 reports, largest 1.75 in 1967: 1 reports, largest 1.00 in 1968: 1 reports, largest 2.50 in 1969: 1 reports, largest 1.75 in 1970 1977: 1 reports, largest 1.50 in 1978: 1 reports, largest 1.00 in 1979: 2 reports, largest 1.75 in 1980 1981: 1 reports, largest 1.75 in 1982: 2 reports, largest 1.75 in 1983: 5 reports, largest 1.75 in 1984: 1 reports, largest 1.75 in 1985: 2 reports, largest 1.75 in 1990 1991: 2 reports, largest 1.00 in 1992: 3 reports, largest 1.00 in 1996: 3 reports, largest 1.00 in 1998: 9 reports, largest 1.75 in 2000 2002: 7 reports, largest 1.75 in 2004: 1 reports, largest 0.88 in 2005: 5 reports, largest 1.00 in 2006: 5 reports, largest 1.75 in 2008: 2 reports, largest 2.75 in 2009: 5 reports, largest 1.00 in 2010: 2 reports, largest 1.75 in 2010 2011: 2 reports, largest 1.50 in 2013: 1 reports, largest 1.00 in 2016: 4 reports, largest 2.00 in 2018: 3 reports, largest 1.00 in 2019: 4 reports, largest 1.50 in 2020 2022: 3 reports, largest 1.75 in 2023: 1 reports, largest 1.25 in 2024: 1 reports, largest 2.50 in 2025: 3 reports, largest 2.00 in 2026: 4 reports, largest 1.00 in
Reports per year, 1957–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0102030 Jan February: 1 reports (1%) Feb March: 5 reports (5%) Mar April: 21 reports (21%) Apr May: 28 reports (29%) May June: 16 reports (16%) Jun July: 8 reports (8%) Jul August: 4 reports (4%) Aug September: 7 reports (7%) Sep October: 6 reports (6%) Oct November: 2 reports (2%) Nov Dec
All 98 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 22 4
2025 3 3
2024 1 1
2023 1 1
2022 12 3
2021 0
2020 0
2019 13 4
2018 21 3
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 13, 2026 2 1.00 in —
Apr 17, 2026 2 1.00 in —
Apr 29, 2025 1 0.88 in —
Apr 1, 2025 2 2.00 in —
Apr 27, 2024 1 2.50 in —
Apr 10, 2023 1 1.25 in —
May 5, 2022 2 1.75 in —
Mar 29, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Blackwell
Date Size Location County Time · source
May 8, 2008 2.75 inbaseball Blackwell Kay 23:00 local · NCEI
May 26, 1963 2.75 inbaseball — Kay 16:50 local · NCEI
Apr 27, 2024 2.50 intennis ball 0.89 SE Blackwell Kay 13:42 local · NCEI
Apr 22, 1968 2.50 intennis ball — Kay 04:30 local · NCEI
May 1, 1964 2.50 intennis ball — Kay 15:30 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 Blackwell
Date Size Location County Time · source
Jun 13, 2026 0.75 inpenny 0.85 E Blackwell Kay 18:35 local · NCEI
Jun 13, 2026 1.00 inquarter 0.72 SSW Blackwell Kay 18:30 local · NCEI
Apr 17, 2026 1.00 inquarter 3.23 WNW Blackwell Kay 17:52 local · NCEI
Apr 17, 2026 1.00 inquarter Blackwell Kay 17:47 local · NCEI
Apr 29, 2025 0.88 innickel 3.54 WNW Blackwell Kay 03:04 local · NCEI
Apr 1, 2025 2.00 inhen egg 2 S Blackwell Kay 18:05 local · NCEI
Apr 1, 2025 1.00 inquarter 1.27 SSW Blackwell Kay 18:04 local · NCEI
Apr 27, 2024 2.50 intennis ball 0.89 SE Blackwell Kay 13:42 local · NCEI
Apr 10, 2023 1.25 inhalf dollar 4.43 NW Blackwell Kay 19:10 local · NCEI
May 5, 2022 1.75 ingolf ball 0.69 N Blackwell Kay 10:10 local · NCEI
May 5, 2022 1.50 inping pong ball 0.55 W Blackwell Kay 10:06 local · NCEI
Mar 29, 2022 1.00 inquarter 1.11 W Blackwell Kay 21:25 local · NCEI

Hail history near Blackwell

Questions about hail in Blackwell

How often does it hail in Blackwell, Oklahoma?

98 hail reports have been logged in and within about 5 km (3 miles) of Blackwell since 1957. Over the 20 years 2006–2025 that averages 1.8 reports a year. That ranks #23 of 584 Oklahoma places by number of reports.

When is hail season in Blackwell?

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

What is the largest hail recorded in Blackwell?

2.75 in (baseball size) on May 8, 2008 near Blackwell. 7% of reports here were 2 inches or larger.

When did it last hail in Blackwell?

The most recent report in this data is from June 13, 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 Blackwell had in the last five years?

8 separate days with hail reports since November 3, 2021, adding up to 12 reports. The most recent was June 13, 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.