Carlton County was hit as recently as 2026-06-29, 32 days ago. Carlton 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 2022-05-29 near Moose Lake.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Minnesota. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-06-29, around Barnum. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Carlton 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. Those days carry 52 separate reports between them, two or three on a typical one. 3 of those 17 years produced none at all. The busiest single year was 2022, with 4 hail days. The last five years track the long-run rate, with 8 days since 2022.
Most hail here stays under 2 inches: only 1 of the 23 days on record passed it, 4%, the last on 2022-05-29. Those big days do not follow the county's usual calendar: most of them fall in May, not June. 7 of the 23 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Minnesota, see the Minnesota hail map and history.
Reports cluster nearest Mahtowa -- 7 of the county's 23 hail days -- then Barnum (5), Cloquet (5), Moose Lake (4) and Kettle River (3). Beyond those, NOAA names Esko, Carlton, Sawyer and Wrenshall on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Barnum | 3 | 1.75″ |
| Moose Lake | 3 | 1.75″ |
| Esko | 3 | 1.50″ |
| 5 NE Mahtowa | 3 | 1.00″ |
| 2 W Carlton | 2 | 1.75″ |
The season runs May through August: 20 of the 23 hail days on record fall in those 4 months (87%). June is the single busiest month, with 8 of them (35%). That peak sits inside the window rather than at either end. Hail has also been reported in March, April and September, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| March | 1 |
| April | 1 |
| May | 4 |
| June | 8 |
| July | 4 |
| August | 4 |
| September | 1 |
That day put 5 reports on the map, the biggest 1.75 inches near Barnum. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-29 | 1.75″ | 5 |
| 2025-06-22 | 1.00″ | 1 |
| 2025-03-28 | 1.00″ | 4 |
| 2024-09-19 | 1.50″ | 4 |
| 2022-08-17 | 1.75″ | 1 |
| 2022-06-23 | 1.00″ | 2 |
| 2022-05-29 | 2.00″ | 8 |
| 2022-05-09 | 1.00″ | 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 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, over the state line included: Pine County (30 hail days), Aitkin County (34), St. Louis County (59) and Douglas County, Wisconsin (26). Every one of them takes more hail than Carlton County.
Pine County · Aitkin County · St. Louis County · Douglas County, Wisconsin
Back to the Minnesota hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Carlton County, Minnesota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.