The most recent reported hail day was 2025-05-15 -- 1 year ago, with nothing reported since. Dunn County is hit in most years. The largest stone on record here is 2 inches, a hen egg and twice the National Weather Service's 1 inch severe criterion, reported on 2022-05-19 near Cedar Falls.
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 2025-05-15, around Elk Mound. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Dunn 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 23 separate hail days here since 2010 -- 1.4 a year over 17 years of record. They carry 31 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 2016, with 4 hail days. The last five years track the long-run rate, with 6 days since 2022.
Most hail here stays under 2 inches: only 2 of the 23 days on record passed it, 9%, the last on 2022-05-19. Those big days do not follow the county's usual calendar: most of them fall in April, not June. 6 of the 23 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 Menomonie -- 9 of the county's 23 hail days -- then Elk Mound (3), Boyceville (3), Knapp (2) and Downsville (2). Beyond those, NOAA names Ridgeland on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Menomonie | 2 | 1.75″ |
| Elk Mound | 2 | 1.50″ |
| Boyceville | 2 | 1.25″ |
| 2 N Menomonie | 2 | 1.00″ |
| 2 NW Elk Mound | 2 | 1.00″ |
The season runs May through August: 19 of the 23 hail days on record fall in those 4 months (83%). June is the single busiest month, with 6 of them (26%). That peak sits inside the window rather than at either end. 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 | 1 |
| May | 4 |
| June | 6 |
| July | 4 |
| August | 5 |
| September | 3 |
That day put 1 report on the map, the biggest 1 inch near Elk Mound. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-05-15 | 1.00″ | 1 |
| 2023-08-11 | 1.25″ | 2 |
| 2023-07-14 | 1.25″ | 2 |
| 2022-09-20 | 1.00″ | 1 |
| 2022-06-28 | 1.00″ | 1 |
| 2022-05-19 | 2.00″ | 1 |
| 2021-06-16 | 1.00″ | 1 |
| 2020-06-02 | 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 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: Pierce County (19 hail days), Eau Claire County (20) and St. Croix County (29). Dunn County sits in between.
Pierce County · Eau Claire County · St. Croix 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, Dunn County, Wisconsin only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.