SwathIQ / Hail map / South Dakota / Kingsbury County

Kingsbury County, South Dakota Hail Map & History

Kingsbury County was hit as recently as 2026-06-04, 57 days ago. Kingsbury County is hit in most years. The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2012-06-18 near Lake Preston.

23
hail days since 2010
2
days with 2″+ hail
1
hail days this year
2.75″
largest stone on record

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

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The last hail here fell on 2026-06-04, around Bancroft. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Kingsbury 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 Kingsbury 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 35 reports in total: most hail days here are logged from a single spot. 5 of those 17 years produced none at all. One year dominates the record: 2010 alone produced 5 of the 23 days. The last five years track the long-run rate, with 7 days since 2022.

Most hail here stays under 2 inches: only 2 of the 23 days on record passed it, 9%, the last on 2012-06-18. 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 3 of the 23 days.

Across the whole of South Dakota, see the South Dakota hail map and history.

Hardest-hit places in Kingsbury County

Reports cluster nearest De Smet -- 8 of the county's 23 hail days -- then Lake Preston (4), Badger (4), Erwin (3) and Carthage (3). Beyond those, NOAA names Oldham, Arlington and Bancroft on more than one hail day apiece.

PlaceHail days since 2010Largest stone
De Smet42.75″
2 Ne Lake Preston22.75″
6 Nne Lake Preston12.75″
3 Nw Arlington11.75″
4 E Erwin11.75″

When it hails in Kingsbury County

The season runs May through July: 19 of the 23 hail days on record fall in those 3 months (83%). July is the single busiest month, with 10 of them (43%). That peak closes the window: the season builds all the way to its worst month and then stops. Hail has also been reported in March and August, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.

MonthHail days
March1
May3
June6
July10
August3

Recent Kingsbury County hail days

That day put 1 report on the map, the biggest 1.5 inches near Bancroft. 1 hail day has already been reported this year.

DateMax hailReports
2026-06-041.50″1
2025-08-211.00″1
2025-07-151.00″1
2024-07-061.00″1
2023-08-101.75″3
2023-07-131.50″1
2022-05-111.00″1
2017-07-201.00″1

How to read the Kingsbury 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 2.75 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: Hamlin County (30 hail days), Miner County (14) and Lake County (27). Kingsbury County sits in between.

Hamlin County · Miner County · Lake County

Back to the South Dakota hail map or the U.S. hail map.

FAQ

How often does it hail in Kingsbury County, South Dakota?
NOAA's Storm Prediction Center has logged 23 separate hail days here since 2010 -- 1.4 a year over 17 years of record.
When is hail season in Kingsbury County?
The season runs May through July: 19 of the 23 hail days on record fall in those 3 months (83%).
How big does hail get in Kingsbury County?
The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2012-06-18 near Lake Preston.
When was the last hail in Kingsbury County?
Kingsbury County was hit as recently as 2026-06-04, 57 days ago.
Is the Kingsbury 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, Kingsbury County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.