Eau Claire County was hit as recently as 2026-06-19, 42 days ago. Eau Claire County is hit in most years. The largest stone on record here is 4 inches, a grapefruit and 4 times the National Weather Service's 1 inch severe criterion, reported on 2025-05-15 near Altoona.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Wisconsin. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-06-19, around Augusta. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Eau Claire County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 20 separate hail days here since 2010 -- 1.2 a year over 17 years of record. Those days carry 50 separate reports between them, two or three on a typical one. 5 of those 17 years produced none at all. The busiest single year was 2014, with 3 hail days. The last five years track the long-run rate, with 4 days since 2022.
2 of the 20 days reached 2 inches or more -- 10%, or about one hail day in 10, the last on 2025-05-15. They land in the same month as everything else, May. Golf-ball size is rarer still: 1.75 inches or more on 4 of the 20 days.
Across the whole of Wisconsin, see the Wisconsin hail map and history.
Reports cluster nearest Eau Claire -- 8 of the county's 20 hail days -- then Altoona (5), Augusta (5), Fall Creek (4) and Fairchild (4). That one town is named on 40% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Augusta | 3 | 1.00″ |
| Altoona | 2 | 3.50″ |
| 3 S Eau Claire | 2 | 2.00″ |
| 1 Nw Fairchild | 2 | 1.75″ |
| 2 SW Altoona | 2 | 1.75″ |
The season runs May through August: 17 of the 20 hail days on record fall in those 4 months (85%). May is the single busiest month, with 6 of them (30%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in April and September, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| April | 2 |
| May | 6 |
| June | 5 |
| July | 1 |
| August | 5 |
| September | 1 |
That day put 3 reports on the map, the biggest 1.5 inches near Augusta. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-19 | 1.50″ | 3 |
| 2026-04-13 | 1.00″ | 2 |
| 2025-05-15 | 4.00″ | 16 |
| 2024-05-18 | 1.50″ | 2 |
| 2021-06-17 | 1.00″ | 2 |
| 2021-05-31 | 1.00″ | 1 |
| 2020-08-24 | 1.00″ | 3 |
| 2020-05-25 | 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 4 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: Chippewa County (24 hail days), Dunn County (23) and Trempealeau County (43). Every one of them takes more hail than Eau Claire County.
Chippewa County · Dunn County · Trempealeau County
Back to the Wisconsin hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Eau Claire County, Wisconsin only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.