HailHistoryHail by countyMinnesota › Mower County

Minnesota · county FIPS 27099

Hail history for Mower County, MN

Mower County has 154 recorded hail events in the NOAA Storm Events Database — 80 of them 1″ or larger and 4 at 2″ or larger. The largest on record: 2.75″ (baseball) on May 24, 1989.

Records 1950–present Data through April 2026 Peak month May
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 2.75″ baseball May 24, 1989

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 154 since 1959
1″ or larger 80 NWS severe threshold
2″ or larger 4 hen egg class and up
Largest recorded 2.75 baseball · May 24, 1989
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 Mower County

Jan Feb 4 Mar 15 Apr 49 May 39 Jun 22 Jul 17 Aug 7 Sep 1 Oct Nov Dec

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

Most recent recorded events

Latest 8 of 154 recorded events · data through April 2026
DateSizeComparable to
1.0″ Quarter
1.0″ Quarter
1.5″ Ping-pong ball
1.5″ Ping-pong ball
0.75″ Penny
0.88″ Nickel
1.5″ Ping-pong ball
1.75″ Golf ball

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

From the storm reports

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

· 1.0″ (quarter)

The public reported quarter sized hail 1 mile east of Dexter.

· 1.75″ (golf ball)

Hail ranging from the size of a quarter up to a golf ball fell in Grand Meadow.

· 2.0″ (hen egg)

Hail that ranged in size from golf balls to 2 inches, fell south of Austin.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
2810818563418

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 Mower County

Has it ever hailed in Mower County?

Yes — 154 hail events have been recorded for Mower County, MN in the NOAA Storm Events Database since 1959, including 80 of 1″ (quarter size) or larger.

When did it last hail in Mower County?

The most recent recorded hail event for Mower County, MN is April 17, 2026, 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 Mower County?

2.75″ (baseball), recorded on May 24, 1989. 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 Minnesota hail history

All 87 Minnesota 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.