Hail history for Idaho County, ID

Idaho County has 65 recorded hail events in the NOAA Storm Events Database — 52 of them 1″ or larger and 6 at 2″ or larger. The largest on record: 2.75″ (baseball) on August 9, 2019.

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 65 since 1965

1″ or larger 52 NWS severe threshold

2″ or larger 6 hen egg class and up

Largest recorded 2.75″ baseball · August 9, 2019

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 Idaho County

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

Most recent recorded events

Latest 8 of 65 recorded events · data through April 2026
Date	Size	Comparable to
September 11, 2025	1.0″	Quarter
August 5, 2024	1.0″	Quarter
May 21, 2023	0.88″	Nickel
August 12, 2022	1.25″	Half dollar
August 11, 2022	2.0″	Hen egg
July 7, 2022	1.0″	Quarter
June 5, 2022	1.75″	Golf ball
June 5, 2022	2.1″	Hen egg

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

From the storm reports

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

September 11, 2025 · 1.0″ (quarter)

A hail size of one inch in diameter was reported 3 miles north-northwest of Kamiah by a trained spotter.

June 5, 2022 · 2.1″ (hen egg)

Facebook report showed jagged hail stone next to a ruler. They reported that their car windshield was damaged and there were dents. A neighbor's car windshield was also damaged.

August 9, 2019 · 2.75″ (baseball)

Mostly egg-sized hail with up to baseballs fell between Slate Creek and Riggins, Idaho and damaged greenhouse roofs, fences, pump house tanks, PVC pipelines, windshields, vehicles and orchards.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	4	2	3	12	17	19	8

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 Idaho County

Has it ever hailed in Idaho County?

Yes — 65 hail events have been recorded for Idaho County, ID in the NOAA Storm Events Database since 1965, including 52 of 1″ (quarter size) or larger.

When did it last hail in Idaho County?

The most recent recorded hail event for Idaho County, ID is September 11, 2025, 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 Idaho County?

2.75″ (baseball), recorded on August 9, 2019. Hail that size is destructive-class and typically damages roofs, vehicles, and siding. 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.