Hail history for Davis County, IA

Davis County has 87 recorded hail events in the NOAA Storm Events Database — 63 of them 1″ or larger and 2 at 2″ or larger. The largest on record: 2.5″ (tennis ball) on July 17, 2006.

Records 1950–present Data through April 2026 Peak month June

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 87 since 1962

1″ or larger 63 NWS severe threshold

2″ or larger 2 hen egg class and up

Largest recorded 2.5″ tennis ball · July 17, 2006

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 Davis County

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

Most recent recorded events

Latest 8 of 87 recorded events · data through April 2026
Date	Size	Comparable to
July 31, 2024	0.88″	Nickel
June 13, 2024	1.5″	Ping-pong ball
June 13, 2024	1.75″	Golf ball
April 16, 2024	1.0″	Quarter
April 16, 2024	0.88″	Nickel
April 16, 2024	1.0″	Quarter
August 29, 2019	1.5″	Ping-pong ball
August 29, 2019	0.88″	Nickel

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

From the storm reports

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

June 13, 2024 · 1.75″ (golf ball)

Photo and report from social media. Time of occurrence was estimated from radar.

September 10, 2015 · 1.75″ (golf ball)

Trained spotter reported golf ball sized hail along with some crop damage.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	5	0	7	9	42	18	6

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 Davis County

Has it ever hailed in Davis County?

Yes — 87 hail events have been recorded for Davis County, IA in the NOAA Storm Events Database since 1962, including 63 of 1″ (quarter size) or larger.

When did it last hail in Davis County?

The most recent recorded hail event for Davis County, IA is July 31, 2024, 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 Davis County?

2.5″ (tennis ball), recorded on July 17, 2006. 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 Iowa hail history

All 99 Iowa 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.