Clay County, Minnesota Hail Map & History
Clay County was hit as recently as 2026-08-17, 28 days ago. Clay County is hit in most years, and usually several times over. The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2026-06-29 near Moorhead.
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 2026-08-17, around Averill. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Clay 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 Clay County
NOAA's Storm Prediction Center has logged 38 separate hail days here since 2010 -- 2.2 a year over 17 years of record. They carry 64 reports in total: most hail days here are logged from a single spot. 2 of those 17 years produced none at all. The busiest single year was 2018, with 6 hail days. The last five years track the long-run rate, with 9 days since 2022.
4 of the 38 days reached 2 inches or more -- 11%, or about one hail day in 10, the last on 2026-06-29. Those big days do not follow the county's usual calendar: most of them fall in June, not July. Golf-ball size is rarer still: 1.75 inches or more on 9 of the 38 days.
Across the whole of Minnesota, see the Minnesota hail map and history.
Hardest-hit places in Clay County
Reports cluster nearest Barnesville -- 7 of the county's 38 hail days -- then Moorhead (6), Hawley (6), Felton (4) and Averill (3). Beyond those, NOAA names Ulen, Sabin, Rollag, Downer, Comstock and Hitterdal on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Ulen | 3 | 1.75″ |
| Sabin | 3 | 1.50″ |
| Hawley | 2 | 2.00″ |
| Barnesville | 2 | 1.75″ |
| Moorhead | 2 | 1.75″ |
When it hails in Clay County
The season runs June through August: 33 of the 38 hail days on record fall in those 3 months (87%). July is the single busiest month, with 13 of them (34%). That peak sits inside the window rather than at either end. Hail has also been reported in May and September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 1 |
| June | 11 |
| July | 13 |
| August | 9 |
| September | 4 |
Recent Clay County hail days
That day put 1 report on the map, the biggest 1 inch near Averill. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-08-17 | 1.00″ | 1 |
| 2026-06-29 | 3.00″ | 3 |
| 2025-06-28 | 1.50″ | 5 |
| 2023-09-29 | 1.75″ | 1 |
| 2023-08-08 | 2.00″ | 2 |
| 2023-07-13 | 2.75″ | 2 |
| 2023-07-07 | 1.50″ | 1 |
| 2022-08-05 | 1.00″ | 4 |
How to read the Clay 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 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, over the state line included: Norman County (31 hail days), Wilkin County (21), Becker County (56) and Cass County, North Dakota (61). Clay County sits in between.
Norman County · Wilkin County · Becker County · Cass County, North Dakota
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, Clay County, Minnesota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.