HailHistoryHail by countyIowa › Jackson County

Iowa · county FIPS 19097

Hail history for Jackson County, IA

Jackson County has 80 recorded hail events in the NOAA Storm Events Database — 43 of them 1″ or larger and 9 at 2″ or larger. The largest on record: 3.0″ (tea cup) on June 25, 2024.

Records 1950–present Data through April 2026 Peak month April
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 3.0″ tea cup June 25, 2024

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 80 since 1961
1″ or larger 43 NWS severe threshold
2″ or larger 9 hen egg class and up
Largest recorded 3.0 tea cup · June 25, 2024
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 Jackson County

Jan 1 Feb 7 Mar 17 Apr 15 May 13 Jun 10 Jul 12 Aug 4 Sep 1 Oct Nov Dec

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

Most recent recorded events

Latest 8 of 80 recorded events · data through April 2026
DateSizeComparable to
1.5″ Ping-pong ball
1.0″ Quarter
3.0″ Tea cup
2.0″ Hen egg
3.0″ Tea cup
1.75″ Golf ball
1.25″ Half dollar
1.0″ Quarter

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

From the storm reports

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

· 1.5″ (ping-pong ball)

Report received from Mping.

· 3.0″ (tea cup)

Time estimated by radar.

· 2.0″ (hen egg)

Two inch diameter hail fell in St. Donatus, IA around 530 pm CDT May 20.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
041517271511

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 Jackson County

Has it ever hailed in Jackson County?

Yes — 80 hail events have been recorded for Jackson County, IA in the NOAA Storm Events Database since 1961, including 43 of 1″ (quarter size) or larger.

When did it last hail in Jackson County?

The most recent recorded hail event for Jackson County, IA is April 14, 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 Jackson County?

3.0″ (tea cup), recorded on June 25, 2024. 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 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.