Hail history for Will County, IL

Will County has 359 recorded hail events in the NOAA Storm Events Database — 207 of them 1″ or larger and 8 at 2″ or larger. The largest on record: 3.0″ (tea cup) on March 10, 2026.

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 359 since 1961

1″ or larger 207 NWS severe threshold

2″ or larger 8 hen egg class and up

Largest recorded 3.0″ tea cup · March 10, 2026

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 Will County

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

Most recent recorded events

Latest 8 of 359 recorded events · data through April 2026
Date	Size	Comparable to
March 31, 2026	1.75″	Golf ball
March 31, 2026	1.25″	Half dollar
March 31, 2026	1.0″	Quarter
March 31, 2026	1.75″	Golf ball
March 31, 2026	1.5″	Ping-pong ball
March 31, 2026	1.0″	Quarter
March 31, 2026	1.75″	Golf ball
March 31, 2026	1.0″	Quarter

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

From the storm reports

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

March 31, 2026 · 1.0″ (quarter)

Multiple reports of dime to quarter size hail were received from the Joliet Junior College.

March 10, 2026 · 3.0″ (tea cup)

A handful of hail reports from along IL-53 in Bolingbrook ranged in size from 1 to 3 inches.

March 10, 2026 · 2.5″ (tennis ball)

A handful of hail reports in the vicinity of Bolingbrook's Clow Airport ranged in size from 1.5 to 2.5 inches.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	6	12	9	40	117	122	53

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 Will County

Has it ever hailed in Will County?

Yes — 359 hail events have been recorded for Will County, IL in the NOAA Storm Events Database since 1961, including 207 of 1″ (quarter size) or larger.

When did it last hail in Will County?

The most recent recorded hail event for Will County, IL is March 31, 2026, with 1.75″ (golf 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 Will County?

3.0″ (tea cup), recorded on March 10, 2026. 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 Illinois hail history

All 102 Illinois 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.