Pilot Index / South Dakota / Aug 28, 2021

Preliminary

Storms in South Dakota on Aug 28, 2021

80 published severe reports across South Dakota on Aug 28, 2021.

Updated Oct 28, 2026.

Coverage is partial. 473 source scopes are pending. Pending data is not a zero report count.

Hail reports: 36. Wind reports: 38. Tornado reports: 6.

The table and map show 40 of 80 reports.

TimeWhatSize or SpeedWhereDetails
Aug 28, 2021, 1:35 AM CDTHail1.25 inGLENHAM
Record
  • Aug 28, 2021, 1:35 AM CDT. Hail, 1.25 in, GLENHAM. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972689.
Aug 28, 2021, 1:56 AM CDTHail1.00 inSELBY
Record
  • Aug 28, 2021, 1:56 AM CDT. Hail, 1.00 in, SELBY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972690.
Aug 28, 2021, 2:32 AM CDTHail2.50 inLOWRY
Record
  • Aug 28, 2021, 2:32 AM CDT. Hail, 2.50 in, LOWRY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972691.
Aug 28, 2021, 3:20 AM CDTHail1.00 inROSCOE
Record
  • Aug 28, 2021, 3:20 AM CDT. Hail, 1.00 in, ROSCOE. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972696.
Aug 28, 2021, 3:25 AM CDTHail1.00 inCRAVEN
Record
  • Aug 28, 2021, 3:25 AM CDT. Hail, 1.00 in, CRAVEN. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972697.
Aug 28, 2021, 3:48 AM CDTHail1.75 inIPSWICH
Record
  • Aug 28, 2021, 3:48 AM CDT. Hail, 1.75 in, IPSWICH. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972699.
Aug 28, 2021, 3:48 AM CDTHail2.50 inIPSWICH
Record
  • Aug 28, 2021, 3:48 AM CDT. Hail, 2.50 in, IPSWICH. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:975679.
Aug 28, 2021, 4:00 AM CDTHail1.00 inMINA
Record
  • Aug 28, 2021, 4:00 AM CDT. Hail, 1.00 in, MINA. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972702.
Aug 28, 2021, 4:08 AM CDTHail2.50 inMINA
Record
  • Aug 28, 2021, 4:08 AM CDT. Hail, 2.50 in, MINA. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972703.
Aug 28, 2021, 4:13 AM CDTWind58 mph4 SSE WITTEN
Record
  • Aug 28, 2021, 4:13 AM CDT. Wind, 58 mph, 4 SSE WITTEN. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:9d469f8431e0e9fa5894a87223714e0c3783e03da326efcf5916556c5d18b8af.
Aug 28, 2021, 4:13 AM CDTHail2.75 inRUDOLPH
Record
  • Aug 28, 2021, 4:13 AM CDT. Hail, 2.75 in, RUDOLPH. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:975684.
Aug 28, 2021, 4:30 AM CDTHail1.50 inRUDOLPH
Record
  • Aug 28, 2021, 4:30 AM CDT. Hail, 1.50 in, RUDOLPH. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972704.
Aug 28, 2021, 4:34 AM CDTHail1.75 inWARNER
Record
  • Aug 28, 2021, 4:34 AM CDT. Hail, 1.75 in, WARNER. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972705.
Aug 28, 2021, 5:03 AM CDTWind81 mphVERDON
Record
  • Aug 28, 2021, 5:03 AM CDT. Wind, 81 mph, VERDON. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972709.
Aug 28, 2021, 5:06 AM CDTHail2.75 inRANDOLPH
Record
  • Aug 28, 2021, 5:06 AM CDT. Hail, 2.75 in, RANDOLPH. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:975685.
Aug 28, 2021, 5:13 AM CDTHail2.75 inFERNEY
Record
  • Aug 28, 2021, 5:13 AM CDT. Hail, 2.75 in, FERNEY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:980925.
Aug 28, 2021, 5:20 AM CDTHail2.50 inBUTLER
Record
  • Aug 28, 2021, 5:20 AM CDT. Hail, 2.50 in, BUTLER. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:975686.
Aug 28, 2021, 5:44 AM CDTHail2.00 inBUTLER
Record
  • Aug 28, 2021, 5:44 AM CDT. Hail, 2.00 in, BUTLER. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972710.
Aug 28, 2021, 6:03 AM CDTHail1.75 inWEBSTER MUNI ARPT
Record
  • Aug 28, 2021, 6:03 AM CDT. Hail, 1.75 in, WEBSTER MUNI ARPT. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972711.
Aug 28, 2021, 6:50 AM CDTHail2.50 in7 SSW SUMMIT
Record
  • Aug 28, 2021, 6:50 AM CDT. Hail, 2.50 in, 7 SSW SUMMIT. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:dd7f8582eeb2f435b937490276acf10df107d6add49226ec70e0e26f07c7801d.
Aug 28, 2021, 6:50 AM CDTHail2.75 inHILAND
Record
  • Aug 28, 2021, 6:50 AM CDT. Hail, 2.75 in, HILAND. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972712.
Aug 28, 2021, 7:10 AM CDTHail1.00 inLOYALTON
Record
  • Aug 28, 2021, 7:10 AM CDT. Hail, 1.00 in, LOYALTON. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972713.
Aug 28, 2021, 7:15 AM CDTHail1.00 inHOUGHTON
Record
  • Aug 28, 2021, 7:15 AM CDT. Hail, 1.00 in, HOUGHTON. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972714.
Aug 28, 2021, 7:33 AM CDTHail1.25 inMILBANK
Record
  • Aug 28, 2021, 7:33 AM CDT. Hail, 1.25 in, MILBANK. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972716.
Aug 28, 2021, 8:08 AM CDTWind64 mph1 WNW MELLETTE
Record
  • Aug 28, 2021, 8:08 AM CDT. Wind, 64 mph, 1 WNW MELLETTE. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:8be5bdfd891013dccd3fb72df473ac010ae1c3ac188350f69cdbdd9ed1509b32.
Aug 28, 2021, 8:08 AM CDTWind64 mphMELLETTE
Record
  • Aug 28, 2021, 8:08 AM CDT. Wind, 64 mph, MELLETTE. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972717.
Aug 28, 2021, 8:25 AM CDTHail1.00 inWEBSTER MUNI ARPT
Record
  • Aug 28, 2021, 8:25 AM CDT. Hail, 1.00 in, WEBSTER MUNI ARPT. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972718.
Aug 28, 2021, 8:30 AM CDTHail2.50 inWEBSTER MUNI ARPT
Record
  • Aug 28, 2021, 8:30 AM CDT. Hail, 2.50 in, WEBSTER MUNI ARPT. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972719.
Aug 28, 2021, 8:44 AM CDTWind65 mph7 SSW SUMMIT
Record
  • Aug 28, 2021, 8:44 AM CDT. Wind, 65 mph, 7 SSW SUMMIT. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:2243f77494347214467046c9ed8379bf25997ca8c0429e14ed210d4845752402.
Aug 28, 2021, 8:44 AM CDTWind64 mphHILAND
Record
  • Aug 28, 2021, 8:44 AM CDT. Wind, 64 mph, HILAND. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972720.
Aug 28, 2021, 9:15 AM CDTHail2.50 inMILBANK
Record
  • Aug 28, 2021, 9:15 AM CDT. Hail, 2.50 in, MILBANK. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972721.
Aug 28, 2021, 9:19 AM CDTHail1.75 inMILBANK
Record
  • Aug 28, 2021, 9:19 AM CDT. Hail, 1.75 in, MILBANK. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972722.
Aug 28, 2021, 9:35 AM CDTHail1.25 inBIG STONE CITY
Record
  • Aug 28, 2021, 9:35 AM CDT. Hail, 1.25 in, BIG STONE CITY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972723.
Aug 28, 2021, 9:44 AM CDTWind70 mph3 SW BIG STONE CITY
Record
  • Aug 28, 2021, 9:44 AM CDT. Wind, 70 mph, 3 SW BIG STONE CITY. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:b6c5666afaac05991a1e415b1cdd9f3c8ef0a8d9123185a6e2dc03e0f71d73f6.
Aug 28, 2021, 9:44 AM CDTWind70 mphBIG STONE CITY
Record
  • Aug 28, 2021, 9:44 AM CDT. Wind, 70 mph, BIG STONE CITY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:972725.
Aug 28, 2021, 3:32 PM CDTHail1.00 inCENTER
Record
  • Aug 28, 2021, 3:32 PM CDT. Hail, 1.00 in, CENTER. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:983294.
Aug 28, 2021, 4:07 PM CDTWind70 mph6 WSW HURLEY
Record
  • Aug 28, 2021, 4:07 PM CDT. Wind, 70 mph, 6 WSW HURLEY. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:1f6ed918d75c432f0c99a8d9db9a28cc62e96013c5e29bf984fa9da53edd3393.
Aug 28, 2021, 4:07 PM CDTWind70 mphHURLEY
Record
  • Aug 28, 2021, 4:07 PM CDT. Wind, 70 mph, HURLEY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:983295.
Aug 28, 2021, 4:15 PM CDTHail1.00 inHURLEY
Record
  • Aug 28, 2021, 4:15 PM CDT. Hail, 1.00 in, HURLEY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:983296.
Aug 28, 2021, 4:18 PM CDTWind85 mphCHANCELLOR
Record
  • Aug 28, 2021, 4:18 PM CDT. Wind, 85 mph, CHANCELLOR. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:983214.
How We Count

This page uses published ground reports from 2016-01-01 through 2026-10-29. Coverage is partial. 473 source scopes are pending. Pending data is not a zero report count.

Hail counts at 1.00 in or larger. Wind counts at 58 mph or stronger. State days also include tornado reports.

Reports use the local civil date and clock. City pages use the city clock. State pages use each report location clock.

Exact repeated observations are counted once. Nearby reports with different times, coordinates or sizes remain separate observations.

NCEI rows are verified against NCEI Storm Events. SPC and NWS local reports are preliminary.

Radar signatures and warning polygons are not ground reports and are not in these counts.

A missing report does not show that no storm occurred. These pages show city or state exposure, not damage at an address.

This free page covers the state. It does not check a street address.

Limits

This page is not a certified record.

This page shows weather exposure, not damage or cause.

This page is not an expert opinion and it is not a meteorologist review.

Verify these rows with official NOAA and NWS records.

VectorWX is not affiliated with or endorsed by NOAA or NWS.

Radar-estimated hail size comes from MRMS MESH or NCEI nx3hail. It is an estimate of hail aloft. It is not a measurement of hail on a roof.