Hail history for DeKalb County, MO

DeKalb County has 135 recorded hail events in the NOAA Storm Events Database — 77 of them 1″ or larger and 9 at 2″ or larger. The largest on record: 2.75″ (baseball) on May 6, 2012.

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 135 since 1955

1″ or larger 77 NWS severe threshold

2″ or larger 9 hen egg class and up

Largest recorded 2.75″ baseball · May 6, 2012

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 DeKalb County

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

Most recent recorded events

Latest 8 of 135 recorded events · data through April 2026
Date	Size	Comparable to
April 15, 2026	1.5″	Ping-pong ball
April 15, 2026	1.5″	Ping-pong ball
April 15, 2026	1.25″	Half dollar
April 15, 2026	1.0″	Quarter
April 15, 2026	1.0″	Quarter
April 15, 2026	1.5″	Ping-pong ball
April 15, 2026	1.25″	Half dollar
August 1, 2024	1.0″	Quarter

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

From the storm reports

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

April 15, 2026 · 1.25″ (half dollar)

Half dollar sized hail reported near Osborn.

May 14, 2019 · 2.5″ (tennis ball)

Large spike was noted, leading to the measurement of 2.5 inches. The core of the hail stone was closer to golf ball sized. The PSU field project measured and reported this stone.

May 6, 2012 · 2.75″ (baseball)

The fire department reported baseball size hail. The report was relayed through the sheriffs department.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
2	6	4	0	11	62	36	14

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 DeKalb County

Has it ever hailed in DeKalb County?

Yes — 135 hail events have been recorded for DeKalb County, MO in the NOAA Storm Events Database since 1955, including 77 of 1″ (quarter size) or larger.

When did it last hail in DeKalb County?

The most recent recorded hail event for DeKalb County, MO is April 15, 2026, 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 DeKalb County?

2.75″ (baseball), recorded on May 6, 2012. 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.