HailHistory › Hail by county › Michigan › St. Clair County

Michigan · county FIPS 26147

Hail history for St. Clair County, MI

St. Clair County has 91 recorded hail events in the NOAA Storm Events Database — 42 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 2.75″ (baseball) on July 14, 2000.

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 · 2.75″ baseball July 14, 2000

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 91 since 1970
1″ or larger 42 NWS severe threshold
2″ or larger 1 hen egg class and up
Largest recorded 2.75″ baseball · July 14, 2000
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 St. Clair County

Jan 2 Feb Mar 5 Apr 14 May 26 Jun 25 Jul 15 Aug 4 Sep Oct Nov Dec

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

Most recent recorded events

Latest 8 of 91 recorded events · data through April 2026
DateSizeComparable to
1.25″ Half dollar
1.5″ Ping-pong ball
1.75″ Golf ball
1.0″ Quarter
1.0″ Quarter
1.0″ Quarter
1.0″ Quarter
1.0″ Quarter

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

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
00221347198

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 St. Clair County

Has it ever hailed in St. Clair County?

Yes — 91 hail events have been recorded for St. Clair County, MI in the NOAA Storm Events Database since 1970, including 42 of 1″ (quarter size) or larger.

When did it last hail in St. Clair County?

The most recent recorded hail event for St. Clair County, MI is February 18, 2026, with 1.25″ (half dollar) 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 St. Clair County?

2.75″ (baseball), recorded on July 14, 2000. 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 Michigan hail history

All 83 Michigan 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.