Hail history for Cowlitz County, WA

Cowlitz County has 3 recorded hail events in the NOAA Storm Events Database — 0 of them 1″ or larger. The largest on record: 0.5″ (mothball) on June 24, 2007.

Records 1950–present Data through April 2026

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 3 since 2003

1″ or larger 0 NWS severe threshold

2″ or larger 0 hen egg class and up

Largest recorded 0.5″ mothball · June 24, 2007

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.

Most recent recorded events

Latest 3 of 3 recorded events · data through April 2026
Date	Size	Comparable to
May 19, 2022	0.25″	Pea
June 24, 2007	0.5″	Mothball
April 13, 2003	0.25″	Pea

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

From the storm reports

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

May 19, 2022 · 0.25″ (pea)

Washington State Patrol reported all lanes of I5 closed around exit 42 due to traffic accidents attributed to hail accumulating on pavement. Three to five vehicles involved in accidents. There was one fatality and one injury. Note: Hail size estimated from other reports in the region.

June 24, 2007 · 0.5″ (mothball)

Hail was reported by Yale Reservoir Employee.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	0	0	0	2	0	1

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 Cowlitz County

Has it ever hailed in Cowlitz County?

Yes — 3 hail events have been recorded for Cowlitz County, WA in the NOAA Storm Events Database since 2003, including 0 of 1″ (quarter size) or larger.

When did it last hail in Cowlitz County?

The most recent recorded hail event for Cowlitz County, WA is May 19, 2022, with 0.25″ (pea) 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 Cowlitz County?

0.5″ (mothball), recorded on June 24, 2007. Hail that size is below the National Weather Service 1″ 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.