Hail history for Blount County, TN

Blount County has 108 recorded hail events in the NOAA Storm Events Database — 69 of them 1″ or larger and 4 at 2″ or larger. The largest on record: 2.0″ (hen egg) on May 8, 2025.

Records 1950–present Data through April 2026 Peak month May

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 108 since 1957

1″ or larger 69 NWS severe threshold

2″ or larger 4 hen egg class and up

Largest recorded 2.0″ hen egg · May 8, 2025

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 Blount County

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

Most recent recorded events

Latest 8 of 108 recorded events · data through April 2026
Date	Size	Comparable to
October 21, 2025	0.88″	Nickel
October 21, 2025	0.75″	Penny
May 8, 2025	1.5″	Ping-pong ball
May 8, 2025	2.0″	Hen egg
May 2, 2025	1.0″	Quarter
May 2, 2025	1.0″	Quarter
April 10, 2025	1.0″	Quarter
April 10, 2025	1.0″	Quarter

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

From the storm reports

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

April 11, 2024 · 1.0″ (quarter)

One inch diameter hail fell during a severe thunderstorm in Blount County.

February 29, 2012 · 1.75″ (golf ball)

Amateur radio operators reported thunderstorms produced golfball-size hail 4 miles south of Maryville.

May 26, 2011 · 1.75″ (golf ball)

Golf ball size hail was reported.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
4	7	3	3	17	32	25	17

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 Blount County

Has it ever hailed in Blount County?

Yes — 108 hail events have been recorded for Blount County, TN in the NOAA Storm Events Database since 1957, including 69 of 1″ (quarter size) or larger.

When did it last hail in Blount County?

The most recent recorded hail event for Blount County, TN is October 21, 2025, with 0.88″ (nickel) 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 Blount County?

2.0″ (hen egg), recorded on May 8, 2025. 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 Tennessee hail history

All 95 Tennessee 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.