Hail history for Grainola, Oklahoma

NOAA hail reports in and within about 5 km (3 miles) of Grainola since 1991, with preliminary reports to November 3, 2026.

Readout · Grainola

Last hail: Feb 20, 2012; 0.75 in, penny size
Hail days, last 5 years: 0; since Nov 3, 2021 · 0 reports
Largest ever: 1.75 in; golf ball · Apr 26, 1991

14 reports on 14 days since 1991 · #483 of 584 Oklahoma places

Hail map · Grainola

Under 1 in
1–1.75 in
1.75–2.5 in
2.5–4 in
4 in +
No size

14 most recent reports with a location; Osage 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 Grainola is from February 20, 2012. A local roofer can check and document it at no cost.

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What the record says about Grainola

The latest hail report in and around Grainola is from February 20, 2012, 0.75 in (penny size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Grainola logged 5 reports on 5 hail days, about 0.3 reports a year. That is 44% less than the median Oklahoma town on this site (0.5 a year) and ranks #483 of 584 Oklahoma cities and towns on this site for all-time reports. Grainola accounts for 2% of the 672 reports filed in Osage County.

0% 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 1.75 in (golf ball) on April 26, 1991.

The busiest year was 2009, with 2 reports on 2 days. Hail here peaks in May (50% of reports); 86% fall between April and June.

Reports a year 2006–2025 average

Grainola 0.3
Osage County 11.2
Median Oklahoma town on this site 0.5

Hail days 2006–2025

Grainola 5
Osage County 111
Median Oklahoma town on this site 8

Share 2 in or larger of sized reports

Grainola 0%
Osage County 5%
Median Oklahoma town on this site 8%

Hail over time

By yearBy monthLast 10 years

Reports per year, 1991–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.

All 14 reports by calendar month.

Reports per month, 2017–2026. Darker cells had more reports.
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
2026													0
2025													0
2024													0
2023													0
2022													0
2021													0
2020													0
2019													0
2018													0
2017													0

Largest hail on record

Largest hail reports in Grainola
Date	Size	Location	County	Time · source
Apr 26, 1991	1.75 ingolf ball	—	Osage	07:00 local · NCEI
May 10, 2010	1.00 inquarter	0.75 S Grainola	Osage	17:30 local · NCEI
Apr 9, 2009	0.88 innickel	Grainola	Osage	15:26 local · NCEI
Apr 6, 2006	0.88 innickel	Grainola	Osage	14:45 local · NCEI
May 7, 2002	0.88 innickel	Grainola	Osage	14:25 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

Under 1 in 12 86%
1–2 in 2 14%
2 in + 0 0%

Most recent reports

Most recent hail reports in Grainola
Date	Size	Location	County	Time · source
Feb 20, 2012	0.75 inpenny	0.9 S Grainola	Osage	16:45 local · NCEI
May 10, 2010	1.00 inquarter	0.75 S Grainola	Osage	17:30 local · NCEI
May 12, 2009	0.75 inpenny	Grainola	Osage	11:43 local · NCEI
Apr 9, 2009	0.88 innickel	Grainola	Osage	15:26 local · NCEI
Apr 6, 2006	0.88 innickel	Grainola	Osage	14:45 local · NCEI
May 22, 2005	0.75 inpenny	Grainola	Osage	23:28 local · NCEI
Apr 23, 2004	0.75 inpenny	Grainola	Osage	09:15 local · NCEI
May 7, 2002	0.88 innickel	Grainola	Osage	14:25 local · NCEI
Jun 13, 1998	0.75 inpenny	Grainola	Osage	19:10 local · NCEI
May 24, 1998	0.75 inpenny	Grainola	Osage	20:40 local · NCEI
May 25, 1997	0.88 innickel	1 W Grainola	Osage	21:45 local · NCEI
Mar 14, 1996	0.88 innickel	Grainola	Osage	19:15 local · NCEI

Hail history near Grainola

Foraker 10 km · 18
Shidler 18 km · 37
Kaw City 27 km · 16
Burbank 28 km · 32
Newkirk 37 km · 41
Kildare 39 km · 21
Pawhuska 41 km · 61
Fairfax 41 km · 41

Questions about hail in Grainola

How often does it hail in Grainola, Oklahoma?

14 hail reports have been logged in and within about 5 km (3 miles) of Grainola since 1991. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #483 of 584 Oklahoma places by number of reports.

When is hail season in Grainola?

Most reports come in May, April, February. May alone accounts for 50% of all reports.

What is the largest hail recorded in Grainola?

1.75 in (golf ball size) on April 26, 1991. 0% of reports here were 2 inches or larger.

When did it last hail in Grainola?

The most recent report in this data is from February 20, 2012 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Grainola since November 3, 2021. The last one was on February 20, 2012.

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.