Hail history for Franklin County, ID

Franklin County has 17 recorded hail events in the NOAA Storm Events Database — 14 of them 1″ or larger. The largest on record: 1.75″ (golf ball) on May 1, 1995.

Records 1950–present Data through April 2026 Peak month August

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 17 since 1958

1″ or larger 14 NWS severe threshold

2″ or larger 0 hen egg class and up

Largest recorded 1.75″ golf ball · May 1, 1995

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 Franklin County

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

Most recent recorded events

Latest 8 of 17 recorded events · data through April 2026
Date	Size	Comparable to
August 22, 2018	1.5″	Ping-pong ball
August 22, 2018	1.0″	Quarter
August 22, 2018	1.0″	Quarter
August 22, 2018	1.0″	Quarter
August 22, 2018	1.0″	Quarter
July 26, 2017	1.0″	Quarter
August 27, 2015	1.0″	Quarter
June 3, 2015	1.0″	Quarter

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

From the storm reports

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

August 22, 2018 · 1.5″ (ping-pong ball)

Ping pong ball sized hail reported in the town of Clifton. Some damage to siding reported on homes.

August 22, 2018 · 1.0″ (quarter)

One inch hail in the town of Franklin.

May 1, 1995 · 1.75″ (golf ball)

In Station Creek a tornado moved through destorying barns, campers and farming equipment. Winds in excess of 100 mph were reported. The tornado lasted 20 minutes.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
2	1	0	1	5	0	8	0

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 Franklin County

Has it ever hailed in Franklin County?

Yes — 17 hail events have been recorded for Franklin County, ID in the NOAA Storm Events Database since 1958, including 14 of 1″ (quarter size) or larger.

When did it last hail in Franklin County?

The most recent recorded hail event for Franklin County, ID is August 22, 2018, 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 Franklin County?

1.75″ (golf ball), recorded on May 1, 1995. 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.