Hail history for Okanogan County, WA

Okanogan County has 36 recorded hail events in the NOAA Storm Events Database — 18 of them 1″ or larger. The largest on record: 1.75″ (golf ball) on July 3, 2008.

Records 1950–present Data through April 2026 Peak month July

Core sample · every recorded event, 1955–2026

Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.

Recorded events 36 since 1973

1″ or larger 18 NWS severe threshold

2″ or larger 0 hen egg class and up

Largest recorded 1.75″ golf ball · July 3, 2008

Read the record honestly: Storm Events contains what was reported to the National Weather Service. Sparse or rural counties under-report, and coverage improved sharply after the mid-1990s — a quiet-looking stretch is not proof nothing fell.

When it hails in Okanogan County

Recorded events by month, 1950–present. The amber bar marks Okanogan County's peak: July.

Most recent recorded events

Latest 8 of 36 recorded events · data through April 2026
Date	Size	Comparable to
September 13, 2022	1.0″	Quarter
August 12, 2022	1.0″	Quarter
July 3, 2022	0.75″	Penny
May 11, 2017	1.0″	Quarter
May 29, 2015	0.75″	Penny
July 23, 2014	1.0″	Quarter
July 17, 2013	1.0″	Quarter
July 15, 2012	1.0″	Quarter

Looking for a specific storm? Use the did-it-hail date lookup for Okanogan County.

From the storm reports

Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).

September 13, 2022 · 1.0″ (quarter)

Thunderstorm recorded one inch hail. It formed South of Lake Omak around 1835PST and moved North toward Omak. It lasted until 1940PST. Time is estimated by radar. No damage or injuries reported.

July 3, 2008 · 1.75″ (golf ball)

Golf ball sized hail damaged a fire truck.

July 9, 1995 · 1.5″ (ping-pong ball)

Thunderstorms with around golf ball-size hail, high wind and heavy rain caused approximately $25 million in damage throughout the county. Heavy rain also damaged part of the cherry crop.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	1	1	3	18	10	3

The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.

Questions about hail in Okanogan County

Has it ever hailed in Okanogan County?

Yes — 36 hail events have been recorded for Okanogan County, WA in the NOAA Storm Events Database since 1973, including 18 of 1″ (quarter size) or larger.

When did it last hail in Okanogan County?

The most recent recorded hail event for Okanogan County, WA is September 13, 2022, with 1.0″ (quarter) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.

What is the largest hail ever recorded in Okanogan County?

1.75″ (golf ball), recorded on July 3, 2008. Hail that size meets or exceeds the National Weather Service severe threshold. See how big that really is on the actual-size hail chart.

Does a recorded hail event mean my roof was damaged?

No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.

More Washington hail history

All 39 Washington counties, ranked by recorded hail →

Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.