Hail History

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Hail history for Washington County, OK

Last hail in the countyJul 4, 20261 in (quarter)
Hail days, last 12 months4
Largest hail since 20062.75 in (baseball)Jun 1, 2008
Hail days since 200674
Days with hail 1 inch or larger53
Tornadoes in the county14
Damaging wind reports in the county128

127 hail reports in Washington County since 2006 on 74 days. The largest stones measured 2.75 in (baseball) on Jun 1, 2008.

Cities in Washington County

Recent hail in Washington County

DateHail sizeWhereSource
Jul 4, 20261 in
quarter		Bartlesville
1 hail report		NWS storm report (preliminary)
May 8, 20261 in
quarter		Ramona
1 hail report		NOAA Storm Events
Apr 28, 20261.25 in
half dollar		Bartlesville, Dewey
4 hail reports		NOAA Storm Events
Apr 15, 20262 in
hen egg		Bartlesville, Hi Way Airport, Ochelata
5 hail reports		NOAA Storm Events
Jun 17, 20251.75 in
golf ball		Copan
1 hail report		NOAA Storm Events
May 19, 20251 in
quarter		Dewey
1 hail report		NOAA Storm Events
May 18, 20250.75 in
penny		Copan
1 hail report		NOAA Storm Events
Apr 29, 20251.25 in
half dollar		Bartlesville
1 hail report		NOAA Storm Events

One row per day: the largest hail reported in the county that day, the places and the number of reports.

Hail days in Washington County by year

70630770850931051141211321451531651721821952022122223324425426

When hail season peaks in Washington County

Jan3Feb7Mar25Apr20May5Jun2Jul5Aug2Sep2Oct3NovDec

Damaging thunderstorm winds in Washington County

128 reports of damaging thunderstorm wind in Washington County since 2006, on 74 days. The strongest measured gust was 87 mph on Apr 26, 2016.

DateStrongest gustWhereSource
Aug 21, 2026damage reportedRamona
1 wind report		NWS storm report (preliminary)
Jul 4, 202680 mph, estimatedBartlesville, Copan
4 wind reports		NWS storm report (preliminary)
May 8, 202660 mph, estimatedRamona
1 wind report		NOAA Storm Events
Jun 18, 202575 mph, estimatedDewey, Bartlesville, Copan
4 wind reports		NOAA Storm Events
Jun 17, 202560 mph, estimatedBartlesville
1 wind report		NOAA Storm Events
May 24, 202581 mph, estimatedBartlesville
1 wind report		NOAA Storm Events
May 19, 202564 mph, estimatedBartlesville, Copan
2 wind reports		NOAA Storm Events
Aug 16, 202264 mph, estimatedOwen
1 wind report		NOAA Storm Events
May 27, 202170 mph, estimatedVera
1 wind report		NOAA Storm Events
Aug 15, 202075 mph, estimatedBartlesville
1 wind report		NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Washington County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).