Hail history for Canyon County, ID

Canyon County has 27 recorded hail events in the NOAA Storm Events Database — 15 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 2.0″ (hen egg) on May 25, 2018.

Records 1950–present Data through April 2026 Peak month April

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 27 since 1956

1″ or larger 15 NWS severe threshold

2″ or larger 1 hen egg class and up

Largest recorded 2.0″ hen egg · May 25, 2018

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 Canyon County

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

Most recent recorded events

Latest 8 of 27 recorded events · data through April 2026
Date	Size	Comparable to
August 11, 2022	1.5″	Ping-pong ball
August 11, 2022	1.0″	Quarter
June 5, 2022	1.25″	Half dollar
May 25, 2018	2.0″	Hen egg
April 24, 2012	1.0″	Quarter
August 29, 2009	0.75″	Penny
September 4, 2007	0.75″	Penny
July 13, 2007	0.88″	Nickel

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

From the storm reports

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

August 11, 2022 · 1.5″ (ping-pong ball)

This photo was submitted on social media and the time was estimated from radar.

August 11, 2022 · 1.0″ (quarter)

A member of the public submitted a photo of this on social media.

May 25, 2018 · 2.0″ (hen egg)

Trained spotters south of Caldwell reported lime and half dollar sized hail.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	3	0	4	6	8	2	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 Canyon County

Has it ever hailed in Canyon County?

Yes — 27 hail events have been recorded for Canyon County, ID in the NOAA Storm Events Database since 1956, including 15 of 1″ (quarter size) or larger.

When did it last hail in Canyon County?

The most recent recorded hail event for Canyon County, ID is August 11, 2022, with 1.5″ (ping-pong ball) 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 Canyon County?

2.0″ (hen egg), recorded on May 25, 2018. 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 Idaho hail history

All 44 Idaho 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.