SwathIQ / Hail map / South Dakota / Hyde County

Hyde County, South Dakota Hail Map & History

Hyde County was hit as recently as 2026-07-04, 27 days ago. Hyde County has recorded hail in nearly every year on the archive. 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 2016-05-25 near Stephan.

28
hail days since 2010
3
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 2026-07-04, around Seneca. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Hyde 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 Hyde County

NOAA's Storm Prediction Center has logged 28 separate hail days here since 2010 -- 1.6 a year over 17 years of record. They carry 43 reports in total: most hail days here are logged from a single spot. Exactly one year since 2010 passed with no reported hail day at all. The busiest single year was 2019, with 3 hail days. The last five years track the long-run rate, with 8 days since 2022.

3 of the 28 days reached 2 inches or more -- 11%, or about one hail day in 9, the last on 2019-06-04. They land in the same month as everything else, June. 8 of the 28 days reached golf-ball size, 1.75 inches or bigger.

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

Hardest-hit places in Hyde County

Reports cluster nearest Highmore -- 12 of the county's 28 hail days -- then Holabird (9), Stephan (8), Seneca (3) and Orient (2). That one town is named on 43% of them. Beyond those, NOAA names Polo on more than one hail day apiece.

PlaceHail days since 2010Largest stone
3 S Highmore21.75″
9 NNE Highmore21.75″
4 N Holabird21.50″
18 N Holabird21.00″
9 N Stephan12.75″

When it hails in Hyde County

The season runs May through July: 23 of the 28 hail days on record fall in those 3 months (82%). June is the single busiest month, with 10 of them (36%). That peak sits inside the window rather than at either end. Hail has also been reported in April, August and September, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.

MonthHail days
April2
May4
June10
July9
August2
September1

Recent Hyde County hail days

That day put 2 reports on the map, the biggest 1 inch near Seneca. 1 hail day has already been reported this year.

DateMax hailReports
2026-07-041.00″2
2025-07-281.50″1
2024-07-061.00″1
2024-05-231.00″1
2023-07-301.25″1
2023-07-181.75″2
2022-07-051.75″1
2022-04-221.50″2

How to read the Hyde 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: Hand County (47 hail days), Hughes County (35) and Sully County (24). Hyde County sits in between.

Hand County · Hughes County · Sully County

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

FAQ

How often does it hail in Hyde County, South Dakota?
NOAA's Storm Prediction Center has logged 28 separate hail days here since 2010 -- 1.6 a year over 17 years of record.
When is hail season in Hyde County?
The season runs May through July: 23 of the 28 hail days on record fall in those 3 months (82%).
How big does hail get in Hyde 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 2016-05-25 near Stephan.
When was the last hail in Hyde County?
Hyde County was hit as recently as 2026-07-04, 27 days ago.
Is the Hyde 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, Hyde County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.