SwathIQ / Hail map / Minnesota / Clay County

Clay County, Minnesota Hail Map & History

Clay County was hit as recently as 2026-06-29, 32 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.

37
hail days since 2010
4
days with 2″+ hail
1
hail days this year
3.00″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Minnesota. Radar-indicated, not a guarantee of damage.

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The last hail here fell on 2026-06-29, around Moorhead. 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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How often it hails in Clay County

NOAA's Storm Prediction Center has logged 37 separate hail days here since 2010 -- 2.2 a year over 17 years of record. They carry 63 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 8 days since 2022.

4 of the 37 days reached 2 inches or more -- 11%, or about one hail day in 9, 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 37 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 37 hail days -- then Moorhead (6), Hawley (6), Felton (4) and Ulen (3). Beyond those, NOAA names Sabin, Rollag, Averill, Downer, Comstock and Hitterdal on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Ulen31.75″
Sabin31.50″
Hawley22.00″
Barnesville21.75″
Moorhead21.75″

When it hails in Clay County

The season runs June through August: 32 of the 37 hail days on record fall in those 3 months (86%). July is the single busiest month, with 13 of them (35%). 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.

MonthHail days
May1
June11
July13
August8
September4

Recent Clay County hail days

That day put 3 reports on the map, the biggest 3 inches near Moorhead. 1 hail day has already been reported this year.

DateMax hailReports
2026-06-293.00″3
2025-06-281.50″5
2023-09-291.75″1
2023-08-082.00″2
2023-07-132.75″2
2023-07-071.50″1
2022-08-051.00″4
2022-07-101.00″1

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 (20), Becker County (55) and Cass County, North Dakota (60). 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.

FAQ

How often does it hail in Clay County, Minnesota?
NOAA's Storm Prediction Center has logged 37 separate hail days here since 2010 -- 2.2 a year over 17 years of record.
When is hail season in Clay County?
The season runs June through August: 32 of the 37 hail days on record fall in those 3 months (86%).
How big does hail get in Clay County?
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.
When was the last hail in Clay County?
Clay County was hit as recently as 2026-06-29, 32 days ago.
Is the Clay County hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.

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.