Hail history for LaSalle County, IL

LaSalle County has 175 recorded hail events in the NOAA Storm Events Database — 111 of them 1″ or larger and 13 at 2″ or larger. The largest on record: 3.75″ (softball) on July 13, 2015.

Records 1950–present Data through April 2026 Peak month April

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 175 since 1957

1″ or larger 111 NWS severe threshold

2″ or larger 13 hen egg class and up

Largest recorded 3.75″ softball · July 13, 2015

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 LaSalle County

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

Most recent recorded events

Latest 8 of 175 recorded events · data through April 2026
Date	Size	Comparable to
April 13, 2026	1.0″	Quarter
April 2, 2026	1.0″	Quarter
March 10, 2026	1.75″	Golf ball
March 10, 2026	1.0″	Quarter
March 19, 2025	1.0″	Quarter
May 7, 2023	1.0″	Quarter
April 19, 2023	1.25″	Half dollar
April 19, 2023	1.0″	Quarter

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

From the storm reports

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

April 13, 2026 · 1.0″ (quarter)

Lots of pea size hail was reported with a few quarter size hail stones.

February 28, 2017 · 2.75″ (baseball)

Hail was estimated to be the size of baseballs in Ottawa.

July 13, 2015 · 3.75″ (softball)

There were numerous reports of hail of up to 3.75 inches in diameter across portions of Marseilles. A picture of the largest hail was received via social media. A car dealership reported 40 damaged cars, 10 of which had shattered windshields. A greenhouse was shattered. The siding on numerous houses was damaged.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	1	5	4	25	68	42	29

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 LaSalle County

Has it ever hailed in LaSalle County?

Yes — 175 hail events have been recorded for LaSalle County, IL in the NOAA Storm Events Database since 1957, including 111 of 1″ (quarter size) or larger.

When did it last hail in LaSalle County?

The most recent recorded hail event for LaSalle County, IL is April 13, 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 LaSalle County?

3.75″ (softball), recorded on July 13, 2015. 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.