Bayfield County was hit as recently as 2026-07-17, 14 days ago. Bayfield 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 2010-07-27 near Ino.
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 2026-07-17, around Cornucopia. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Bayfield 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 26 separate hail days here since 2010 -- 1.5 a year over 17 years of record. They carry 45 reports in total: most hail days here are logged from a single spot. 4 of those 17 years produced none at all. The busiest single year was 2011, with 4 hail days. The last five years track the long-run rate, with 6 days since 2022.
3 of the 26 days reached 2 inches or more -- 12%, or about one hail day in 9, the last on 2022-05-09. Those big days do not follow the county's usual calendar: most of them fall in July, not June. 8 of the 26 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Wisconsin, see the Wisconsin hail map and history.
Reports cluster nearest Drummond -- 7 of the county's 26 hail days -- then Namekagon (5), Clam Lake (4), Washburn (3) and Iron River (3). Beyond those, NOAA names Herbster, Port Wing, Cable, Cornucopia and Red Cliff on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Namekagon | 2 | 1.75″ |
| 4 Ssw Drummond | 2 | 1.00″ |
| 4 W Clam Lake | 2 | 1.00″ |
| Red Cliff | 2 | 1.00″ |
| Washburn | 2 | 1.00″ |
The season runs May through July: 21 of the 26 hail days on record fall in those 3 months (81%). June is the single busiest month, with 9 of them (35%). That peak sits inside the window rather than at either end. Hail has also been reported in March, August and September, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| March | 2 |
| May | 3 |
| June | 9 |
| July | 9 |
| August | 2 |
| September | 1 |
That day put 1 report on the map, the biggest 1 inch near Cornucopia. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-17 | 1.00″ | 1 |
| 2025-06-20 | 1.00″ | 1 |
| 2025-03-14 | 1.00″ | 4 |
| 2024-03-03 | 1.00″ | 1 |
| 2022-06-28 | 1.75″ | 4 |
| 2022-05-09 | 2.00″ | 2 |
| 2021-08-10 | 1.00″ | 2 |
| 2021-07-26 | 1.00″ | 1 |
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: Ashland County (15 hail days), Sawyer County (30) and Douglas County (26). Bayfield County sits in between.
Ashland County · Sawyer County · Douglas 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, Bayfield County, Wisconsin only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.