HailHistoryHail by countyIowa › Guthrie County

Iowa · county FIPS 19077

Hail history for Guthrie County, IA

Guthrie County has 223 recorded hail events in the NOAA Storm Events Database — 148 of them 1″ or larger and 21 at 2″ or larger. The largest on record: 4.5″ (grapefruit) on July 2, 1999.

Records 1950–present Data through April 2026 Peak month June
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 4.5″ grapefruit July 2, 1999

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 223 since 1963
1″ or larger 148 NWS severe threshold
2″ or larger 21 hen egg class and up
Largest recorded 4.5 grapefruit · July 2, 1999
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 Guthrie County

Jan Feb 4 Mar 30 Apr 46 May 82 Jun 29 Jul 11 Aug 18 Sep 1 Oct 2 Nov Dec

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

Most recent recorded events

Latest 8 of 223 recorded events · data through April 2026
DateSizeComparable to
1.0″ Quarter
1.5″ Ping-pong ball
0.88″ Nickel
1.0″ Quarter
0.75″ Penny
0.88″ Nickel
1.0″ Quarter
0.88″ Nickel

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

From the storm reports

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

· 1.0″ (quarter)

Quarter sized hail reported by former NWS employee.

· 2.0″ (hen egg)

Emergency Manager reported 1 to 2 inch hail.

· 2.75″ (baseball)

Massive hail and wind storm crossed across southern portions of Guthrie county. Hail as large as baseballs and winds of up to 70 mph produced widespread damage to houses, buildings and crops.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
012729868810

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 Guthrie County

Has it ever hailed in Guthrie County?

Yes — 223 hail events have been recorded for Guthrie County, IA in the NOAA Storm Events Database since 1963, including 148 of 1″ (quarter size) or larger.

When did it last hail in Guthrie County?

The most recent recorded hail event for Guthrie County, IA is September 3, 2025, 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 Guthrie County?

4.5″ (grapefruit), recorded on July 2, 1999. 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.