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Verified NWS Local Storm Reports

South Dakota Hail Storm — Saturday, July 4, 2026

Every verified storm report NWS spotters filed in South Dakota on Saturday, July 4, 2026 — hail up to 2.25" (golf ball size). The same ground-truth data insurance adjusters trust.

2.25"
Largest hail (golf ball)
15
Hail reports
13
Towns hit
8
Wind & tornado reports
0.88" hail — 1 W Oacoma, Lyman Co. (Jul 4, 2026)1" hail — Oacoma, Lyman Co. (Jul 4, 2026)1.25" hail — 3 NE Oacoma, Lyman Co. (Jul 4, 2026)1" hail — 14 SSE Seneca, Hyde Co. (Jul 4, 2026)1.75" hail — 15 WNW Polo, Hyde Co. (Jul 4, 2026)65 mph wind — 3 SW Big Stone City, Grant Co. (Jul 4, 2026)61 mph wind — 3 SW Big Stone City, Grant Co. (Jul 4, 2026)1" hail — 9 ENE Corona, Roberts Co. (Jul 4, 2026)1" hail — 9 NE Hosmer, McPherson Co. (Jul 4, 2026)1" hail — 7 NNE Eureka, McPherson Co. (Jul 4, 2026)2" hail — 5 SSW Custer, Custer Co. (Jul 4, 2026)2.25" hail — 5 NNW Pringle, Custer Co. (Jul 4, 2026)1.75" hail — 5 SSW Custer, Custer Co. (Jul 4, 2026)51 mph wind — 12 NNW Ideal, Tripp Co. (Jul 4, 2026)55 mph wind — 12 S Vivian, Lyman Co. (Jul 4, 2026)0.88" hail — 9 SSE Hot Springs, Fall River Co. (Jul 4, 2026)50 mph wind — 4 ENE Martin, Bennett Co. (Jul 4, 2026)53 mph wind — 4 E Cactus Flat, Jackson Co. (Jul 4, 2026)66 mph wind — 8 WSW Swett, Bennett Co. (Jul 4, 2026)1.75" hail — 14 NNW Edgemont, Fall River Co. (Jul 4, 2026)1.5" hail — 14 NNW Edgemont, Fall River Co. (Jul 4, 2026)0.75" hail — Hot Springs, Fall River Co. (Jul 4, 2026)60 mph wind — 7 ESE Folsom, Custer Co. (Jul 4, 2026)3 SW Big Stone City5 SSW Custer14 NNW Edgemont1 W OacomaOacoma3 NE Oacoma

Was a specific roof under this storm?

Type any South Dakota address and get that exact roof's verified hail history — including this storm — plus measurements and a replacement cost range. Free.

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Hail by town — Saturday, July 4, 2026

5 NNW PringleCuster Co.1 reportmax 2.25"golf ball
5 SSW CusterCuster Co.2 reportsmax 2"golf ball
14 NNW EdgemontFall River Co.2 reportsmax 1.75"golf ball
15 WNW PoloHyde Co.1 reportmax 1.75"golf ball
3 NE OacomaLyman Co.1 reportmax 1.25"quarter
OacomaLyman Co.1 reportmax 1"quarter
14 SSE SenecaHyde Co.1 reportmax 1"quarter
9 ENE CoronaRoberts Co.1 reportmax 1"quarter
9 NE HosmerMcPherson Co.1 reportmax 1"quarter
7 NNE EurekaMcPherson Co.1 reportmax 1"quarter
1 W OacomaLyman Co.1 reportmax 0.88"penny
9 SSE Hot SpringsFall River Co.1 reportmax 0.88"penny
Hot SpringsFall River Co.1 reportmax 0.75"penny

All verified reports

Time (UTC)LocationEvent
11:58 PM1 W OacomaLyman Co.0.88" hail
11:55 PMOacomaLyman Co.1" hail
11:37 PM3 NE OacomaLyman Co.1.25" hail
11:32 PM14 SSE SenecaHyde Co.1" hail
11:27 PM15 WNW PoloHyde Co.1.75" hail
11:15 PM3 SW Big Stone CityGrant Co.65 mph wind
11:10 PM3 SW Big Stone CityGrant Co.61 mph wind
10:54 PM9 ENE CoronaRoberts Co.1" hail
9:18 PM9 NE HosmerMcPherson Co.1" hail
8:22 PM7 NNE EurekaMcPherson Co.1" hail
7:44 PM5 SSW CusterCuster Co.2" hail
7:37 PM5 NNW PringleCuster Co.2.25" hail
7:32 PM5 SSW CusterCuster Co.1.75" hail
4:14 AM12 NNW IdealTripp Co.51 mph wind
3:55 AM12 S VivianLyman Co.55 mph wind
1:56 AM9 SSE Hot SpringsFall River Co.0.88" hail
1:55 AM4 ENE MartinBennett Co.50 mph wind
1:43 AM4 E Cactus FlatJackson Co.53 mph wind
1:35 AM8 WSW SwettBennett Co.66 mph wind
12:45 AM14 NNW EdgemontFall River Co.1.75" hail
12:43 AM14 NNW EdgemontFall River Co.1.5" hail
12:39 AMHot SpringsFall River Co.0.75" hail
12:32 AM7 ESE FolsomCuster Co.60 mph wind

About this storm

How big was the hail in South Dakota on Saturday, July 4, 2026?

The largest verified hail report that day measured 2.25" — golf ball sized. NWS spotters filed 15 hail reports across 13 towns.

Is that big enough to damage a roof?

Hail around 1" (quarter size) and up can bruise or crack asphalt shingles — that's the threshold insurance adjusters take seriously. Damage is often invisible from the ground, which is why an inspection matters even when the roof "looks fine."

How long do homeowners have to file a claim for this storm?

Most homeowner policies allow one to two years from the storm date — some as little as six months. This storm was 14 days ago, so the filing window is open for most policies.

How do I check if a specific address was hit?

Run a free roof report on Rooftops AI: type the address and you get the roof's measurements plus its verified hail history — every NWS-logged report near that exact property, with dates, sizes, and distances.

← All South Dakota storm reports (last 12 months)

Data: NWS Local Storm Reports via Iowa Environmental Mesonet. Local Storm Reports are preliminary, spotter-submitted observations and may be revised by the National Weather Service. Rooftops AI is not affiliated with or endorsed by NOAA or the NWS. Insurance filing windows vary by policy and state — homeowners should confirm with their carrier.