Mahnomen County, Minnesota Hail Map & History
Mahnomen County was hit as recently as 2026-09-03, 11 days ago. Mahnomen County is hit in most years. The largest stone on record here is 2.3 inches and 2.3 times the National Weather Service's 1 inch severe criterion, reported on 2026-09-03 near Naytahwaush.
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 2026-09-03, around Naytahwaush. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Mahnomen 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 ->How often it hails in Mahnomen County
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 34 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 2018, with 3 hail days. The last five years track the long-run rate, with 6 days since 2022.
3 of the 23 days reached 2 inches or more -- 13%, or about one hail day in 8, the last on 2026-09-03. Those big days do not follow the county's usual calendar: most of them fall in June, not August. 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.
Hardest-hit places in Mahnomen County
Reports cluster nearest Naytahwaush -- 5 of the county's 23 hail days -- then Waubun (5), Bejou (4), Mahnomen (3) and Beaulieu (2). Beyond those, NOAA names Mahkonce and Tulaby Lake on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Waubun | 3 | 1.75″ |
| Tulaby Lake | 2 | 1.25″ |
| Naytahwaush | 2 | 1.00″ |
| 6 S Naytahwaush | 1 | 2.30″ |
| 1 E Bejou | 1 | 2.00″ |
When it hails in Mahnomen County
The season runs June through September: 20 of the 23 hail days on record fall in those 4 months (87%). August 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 May, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 3 |
| June | 5 |
| July | 3 |
| August | 8 |
| September | 4 |
Recent Mahnomen County hail days
That day put 1 report on the map, the biggest 2.3 inches near Naytahwaush. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-09-03 | 2.30″ | 1 |
| 2025-08-11 | 1.00″ | 1 |
| 2023-09-29 | 1.00″ | 1 |
| 2023-06-24 | 1.00″ | 1 |
| 2022-08-05 | 1.00″ | 1 |
| 2022-05-28 | 1.00″ | 1 |
| 2021-07-26 | 1.00″ | 1 |
| 2020-08-07 | 1.00″ | 1 |
How to read the Mahnomen County map
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 2.3 inches, which is the purple band. Look up a street address with the hail history by address tool.
Nearby counties
The nearest counties with a page of their own: Clearwater County (25 hail days), Becker County (56) and Norman County (31). Every one of them takes more hail than Mahnomen County.
Clearwater County · Becker County · Norman County
Back to the Minnesota hail map or the U.S. hail map.
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Mahnomen County, Minnesota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.