The most recent reported hail day was 2026-04-13, 109 days ago. La Salle County is hit in most years. The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2017-02-28 near Ottawa.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Illinois. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-04-13, around Marseilles. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls La Salle County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
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See call-center options ->NOAA's Storm Prediction Center has logged 32 separate hail days here since 2010 -- 1.9 a year over 17 years of record. Those days carry 62 separate reports between them, two or three on a typical one. 4 of those 17 years produced none at all. The busiest single year was 2023, with 4 hail days. The last five years track the long-run rate, with 8 days since 2022.
5 of the 32 days reached 2 inches or more -- 16%, or about one hail day in 6, the last on 2023-04-19. They land in the same month as everything else, April. Golf-ball size is rarer still: 1.75 inches or more on 6 of the 32 days.
Across the whole of Illinois, see the Illinois hail map and history.
Reports cluster nearest Ottawa -- 5 of the county's 32 hail days -- then Mendota (5), Peru (5), Marseilles (4) and Earlville (4). Beyond those, NOAA names Sheridan, La Salle, Leland, Troy Grove, Lostant, Oglesby, Streator and Utica on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Marseilles | 4 | 2.75″ |
| Ottawa | 4 | 2.75″ |
| Earlville | 3 | 2.00″ |
| Sheridan | 3 | 1.25″ |
| Leland | 2 | 2.50″ |
The season runs March through August: 26 of the 32 hail days on record fall in those 6 months (81%). April is the single busiest month, with 7 of them (22%). That peak sits inside the window rather than at either end. Hail has also been reported in February, September and November, outside that window. January, October and December are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| February | 1 |
| March | 5 |
| April | 7 |
| May | 7 |
| June | 2 |
| July | 3 |
| August | 2 |
| September | 3 |
| November | 2 |
That day put 1 report on the map, the biggest 1 inch near Marseilles. 3 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-13 | 1.00″ | 1 |
| 2026-04-02 | 1.00″ | 1 |
| 2026-03-10 | 1.00″ | 1 |
| 2025-03-19 | 1.00″ | 1 |
| 2023-05-07 | 1.00″ | 1 |
| 2023-04-19 | 2.00″ | 7 |
| 2023-04-04 | 2.50″ | 9 |
| 2023-03-26 | 1.25″ | 2 |
The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 2.75 inches, which is the purple band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Bureau County (30 hail days), Lee County (18) and Grundy County (14). La Salle County takes more hail than any of them.
Bureau County · Lee County · Grundy County
Back to the Illinois hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, La Salle County, Illinois only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.