Hail history for Linn County, MO

Linn County has 102 recorded hail events in the NOAA Storm Events Database — 58 of them 1″ or larger and 9 at 2″ or larger. The largest on record: 6.0″ (grapefruit) on May 24, 2004.

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 102 since 1956

1″ or larger 58 NWS severe threshold

2″ or larger 9 hen egg class and up

Largest recorded 6.0″ grapefruit · May 24, 2004

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 Linn County

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

Most recent recorded events

Latest 8 of 102 recorded events · data through April 2026
Date	Size	Comparable to
March 12, 2024	1.0″	Quarter
August 11, 2023	1.5″	Ping-pong ball
March 31, 2023	1.0″	Quarter
March 31, 2023	1.5″	Ping-pong ball
March 31, 2023	1.0″	Quarter
May 14, 2020	1.25″	Half dollar
May 14, 2020	1.0″	Quarter
April 7, 2019	1.0″	Quarter

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

From the storm reports

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

March 12, 2024 · 1.0″ (quarter)

Quarter sized hail just southeast of Browning in far northern Linn County.

May 10, 2014 · 1.75″ (golf ball)

Golf ball sized hail broke windows near Browning.

May 24, 2004 · 6.0″ (grapefruit)

This appears to be the largest hailstone ever measured officially in the state of Missouri. It was 6 inches in diameter and 16 1/2 inches in circumference. Hail did extensive damage to roofs and crops across Linn County, and the property damage total is reflective of all the hail damage reported in the county.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	1	4	8	13	47	21	7

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 Linn County

Has it ever hailed in Linn County?

Yes — 102 hail events have been recorded for Linn County, MO in the NOAA Storm Events Database since 1956, including 58 of 1″ (quarter size) or larger.

When did it last hail in Linn County?

The most recent recorded hail event for Linn County, MO is March 12, 2024, 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 Linn County?

6.0″ (grapefruit), recorded on May 24, 2004. 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 Missouri hail history

All 115 Missouri 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.