Hail History

Hail history for Knowles, Oklahoma

NOAA hail reports in and within about 5 km (3 miles) of Knowles since 1999, with preliminary reports to November 3, 2026.

Readout · Knowles

Last hail
Jul 8, 2025
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 2 reports
Largest ever
2.75 in
baseball · May 23, 2008

19 reports on 15 days since 1999 · #364 of 584 Oklahoma places

Hail map · Knowles

Knowles Gate Beaver Forgan 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
19 most recent reports with a location; Beaver 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 Knowles is from July 8, 2025. A local roofer can check and document it at no cost.

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What the record says about Knowles

The latest hail report in and around Knowles is from July 8, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on July 8, 2025.

Over the 20 years 2006–2025, Knowles logged 11 reports on 9 hail days, about 0.6 reports a year. That is 22% more than the median Oklahoma town on this site (0.5 a year) and ranks #364 of 584 Oklahoma cities and towns on this site for all-time reports. Knowles accounts for 3% of the 594 reports filed in Beaver County.

16% 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 23, 2008 near 1 W Knowles.

Reports were down 78% in 2016–2025 (2) compared with 2006–2015 (9). The busiest year was 2008, with 5 reports on 3 days. Hail here peaks in June (47% of reports); 84% fall between April and June.

Reports a year 2006–2025 average

  • Knowles 0.6
  • Beaver County 16.4
  • Median Oklahoma town on this site 0.5

Hail days 2006–2025

  • Knowles 9
  • Beaver County 114
  • Median Oklahoma town on this site 8

Share 2 in or larger of sized reports

  • Knowles 16%
  • Beaver County 11%
  • Median Oklahoma town on this site 8%

Hail over time

0246 1999: 5 reports, largest 2.75 in 2000: 1 reports, largest 0.88 in 2000 2004: 1 reports, largest 0.88 in 2005: 1 reports, largest 1.00 in 2005 2006: 1 reports, largest 1.00 in 2007: 1 reports, largest 1.00 in 2008: 5 reports, largest 2.75 in 2010 2014: 2 reports, largest 1.75 in 2015 2020 2024: 1 reports, largest 1.00 in 2025: 1 reports, largest 1.00 in 2025
Reports per year, 1999–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan February: 1 reports (5%) Feb Mar Apr May: 7 reports (37%) May June: 9 reports (47%) Jun July: 1 reports (5%) Jul August: 1 reports (5%) Aug Sep Oct Nov Dec
All 19 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 1 1
2024 1 1
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 8, 2025 1 1.00 in —
Jun 15, 2024 1 1.00 in —

Largest hail on record

Largest hail reports in Knowles
Date Size Location County Time · source
May 23, 2008 2.75 inbaseball 1 W Knowles Beaver 16:50 local · NCEI
Jun 18, 1999 2.75 inbaseball Knowles Beaver 16:55 local · NCEI
May 23, 2008 2.50 intennis ball Knowles Beaver 16:55 local · NCEI
Jun 22, 2014 1.75 ingolf ball 0.55 W Knowles Beaver 15:55 local · NCEI
May 20, 1999 1.75 ingolf ball Knowles Beaver 17:44 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Knowles
Date Size Location County Time · source
Jul 8, 2025 1.00 inquarter 0.69 N Knowles Beaver 19:38 local · NCEI
Jun 15, 2024 1.00 inquarter 0.55 W Knowles Beaver 19:30 local · NCEI
Jun 22, 2014 1.75 ingolf ball 0.55 W Knowles Beaver 15:55 local · NCEI
May 11, 2014 1.00 inquarter 0.55 W Knowles Beaver 14:57 local · NCEI
Aug 14, 2008 0.88 innickel Knowles Beaver 16:02 local · NCEI
Jun 27, 2008 0.88 innickel Knowles Beaver 18:00 local · NCEI
Jun 27, 2008 0.75 inpenny Knowles Beaver 17:22 local · NCEI
May 23, 2008 2.50 intennis ball Knowles Beaver 16:55 local · NCEI
May 23, 2008 2.75 inbaseball 1 W Knowles Beaver 16:50 local · NCEI
Feb 23, 2007 1.00 inquarter Knowles Beaver 19:24 local · NCEI
May 25, 2006 1.00 inquarter Knowles Beaver 18:54 local · NCEI
Jun 16, 2005 1.00 inquarter Knowles Beaver 19:19 local · NCEI

Hail history near Knowles

Questions about hail in Knowles

How often does it hail in Knowles, Oklahoma?

19 hail reports have been logged in and within about 5 km (3 miles) of Knowles since 1999. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #364 of 584 Oklahoma places by number of reports.

When is hail season in Knowles?

Most reports come in June, May, February. June alone accounts for 47% of all reports.

What is the largest hail recorded in Knowles?

2.75 in (baseball size) on May 23, 2008 near 1 W Knowles. 16% of reports here were 2 inches or larger.

When did it last hail in Knowles?

The most recent report in this data is from July 8, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Knowles 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 July 8, 2025.

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.