Pilot Index / South Dakota / Sep 16, 2021

Preliminary

Storms in South Dakota on Sep 16, 2021

17 published severe reports across South Dakota on Sep 16, 2021.

Updated Oct 28, 2026.

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

Hail reports: 2. Wind reports: 15. Tornado reports: 0.

The table and map show 17 of 17 reports.

TimeWhatSize or SpeedWhereDetails
Sep 16, 2021, 10:10 PM CDTHail1.00 inSOUTH SHORE
Record
  • Sep 16, 2021, 10:10 PM CDT. Hail, 1.00 in, SOUTH SHORE. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985230.
Sep 16, 2021, 10:27 PM CDTHail1.25 inHERRICK
Record
  • Sep 16, 2021, 10:27 PM CDT. Hail, 1.25 in, HERRICK. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985516.
Sep 16, 2021, 11:16 PM CDTWind81 mph2 WSW PICKSTOWN
Record
  • Sep 16, 2021, 11:16 PM CDT. Wind, 81 mph, 2 WSW PICKSTOWN. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:a45d0ba40fb529e387ead7495b3f03cb85248340a44d45eaea17ef55984aa893.
Sep 16, 2021, 11:16 PM CDTWind81 mphFT RANDALL
Record
  • Sep 16, 2021, 11:16 PM CDT. Wind, 81 mph, FT RANDALL. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985535.
Sep 16, 2021, 11:20 PM CDTWind63 mph3 W GEDDES
Record
  • Sep 16, 2021, 11:20 PM CDT. Wind, 63 mph, 3 W GEDDES. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:0b67606bcb8245c2e91f30ff8bda07a9a503487f09d0af311746a692df81f23f.
Sep 16, 2021, 11:20 PM CDTWind63 mphGEDDES
Record
  • Sep 16, 2021, 11:20 PM CDT. Wind, 63 mph, GEDDES. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985531.
Sep 16, 2021, 11:26 PM CDTWind59 mph1 W HOWARD
Record
  • Sep 16, 2021, 11:26 PM CDT. Wind, 59 mph, 1 W HOWARD. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:f1cc703fdd37ff7ed45f9460e58445298358b859f593aeec270ee97e374952c9.
Sep 16, 2021, 11:26 PM CDTWind59 mphHOWARD
Record
  • Sep 16, 2021, 11:26 PM CDT. Wind, 59 mph, HOWARD. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985536.
Sep 16, 2021, 11:29 PM CDTWind64 mphALEXANDRIA
Record
  • Sep 16, 2021, 11:29 PM CDT. Wind, 64 mph, ALEXANDRIA. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985532.
Sep 16, 2021, 11:31 PM CDTWind72 mphTRIPP
Record
  • Sep 16, 2021, 11:31 PM CDT. Wind, 72 mph, TRIPP. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985538.
Sep 16, 2021, 11:36 PM CDTWind64 mph4 ENE ALEXANDRIA
Record
  • Sep 16, 2021, 11:36 PM CDT. Wind, 64 mph, 4 ENE ALEXANDRIA. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:88c03eed65a65cc6eedb7f825846e4630c7559f8570ff8bc055595f399c28c1a.
Sep 16, 2021, 11:36 PM CDTWind73 mph2 NW TRIPP
Record
  • Sep 16, 2021, 11:36 PM CDT. Wind, 73 mph, 2 NW TRIPP. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:cc1a41a94850377090cfcafc56f65563bcdda7b694a1a90213986b4ca907d3ce.
Sep 16, 2021, 11:43 PM CDTWind70 mphTYNDALL
Record
  • Sep 16, 2021, 11:43 PM CDT. Wind, 70 mph, TYNDALL. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985519.
Sep 16, 2021, 11:56 PM CDTWind77 mph3 SE MONTROSE
Record
  • Sep 16, 2021, 11:56 PM CDT. Wind, 77 mph, 3 SE MONTROSE. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:50b36c731bdf8fc5121d1b94556c6fcd7e10cf6043c75a1b57205cb03cf5fa05.
Sep 16, 2021, 11:56 PM CDTWind77 mphMONTROSE
Record
  • Sep 16, 2021, 11:56 PM CDT. Wind, 77 mph, MONTROSE. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985537.
Sep 16, 2021, 11:58 PM CDTWind75 mphHUMBOLDT
Record
  • Sep 16, 2021, 11:58 PM CDT. Wind, 75 mph, HUMBOLDT. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985518.
Sep 16, 2021, 11:58 PM CDTWind81 mphHUMBOLDT
Record
  • Sep 16, 2021, 11:58 PM CDT. Wind, 81 mph, HUMBOLDT. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:985521.
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.