Pilot Index / South Dakota / Jul 20, 2017

Preliminary

Storms in South Dakota on Jul 20, 2017

18 published severe reports across South Dakota on Jul 20, 2017.

Updated Oct 28, 2026.

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

Hail reports: 0. Wind reports: 18. Tornado reports: 0.

The table and map show 18 of 18 reports.

TimeWhatSize or SpeedWhereDetails
Jul 20, 2017, 5:22 PM MDTWind62 mph4 N LUDLOW
Record
  • Jul 20, 2017, 5:22 PM MDT. Wind, 62 mph, 4 N LUDLOW. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:a47e5ea047324246bf1e8104fe018f49cead9d506367b0340d453917a6e8f782.
Jul 20, 2017, 5:22 PM MDTWind62 mphLUDLOW
Record
  • Jul 20, 2017, 5:22 PM MDT. Wind, 62 mph, LUDLOW. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:704943.
Jul 20, 2017, 6:05 PM MDTWind61 mph27 WNW CASTLE ROCK
Record
  • Jul 20, 2017, 6:05 PM MDT. Wind, 61 mph, 27 WNW CASTLE ROCK. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:6a027d486059c8bb3bdaf2af4d652b22d1946825d6a6fdb6b96549d96d24d8ce.
Jul 20, 2017, 6:05 PM MDTWind61 mphCASTLE ROCK
Record
  • Jul 20, 2017, 6:05 PM MDT. Wind, 61 mph, CASTLE ROCK. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:717039.
Jul 20, 2017, 7:03 PM MDTWind64 mph7 S SHADEHILL
Record
  • Jul 20, 2017, 7:03 PM MDT. Wind, 64 mph, 7 S SHADEHILL. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:95bc84abe70120c07fb0e9c5dc8b3168634d325db5011322a57d67a559bf2030.
Jul 20, 2017, 7:03 PM MDTWind64 mphSHADEHILL
Record
  • Jul 20, 2017, 7:03 PM MDT. Wind, 64 mph, SHADEHILL. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:704944.
Jul 20, 2017, 7:15 PM MDTWind60 mph11 N SHAMBO RANCH
Record
  • Jul 20, 2017, 7:15 PM MDT. Wind, 60 mph, 11 N SHAMBO RANCH. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:23a1a8d3dbd0ba6e2fa9a12554124f3daa8a40d8ab1d18ff7e07d77d98ed04a6.
Jul 20, 2017, 7:15 PM MDTWind60 mphATHBOY
Record
  • Jul 20, 2017, 7:15 PM MDT. Wind, 60 mph, ATHBOY. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:715495.
Jul 20, 2017, 8:00 PM MDTWind70 mph5 N ISABEL
Record
  • Jul 20, 2017, 8:00 PM MDT. Wind, 70 mph, 5 N ISABEL. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:362c3263bac11657492eadf1acb1ff836f67e4b7b8ec778987dc7c49a2255870.
Jul 20, 2017, 8:00 PM MDTWind70 mphISABEL
Record
  • Jul 20, 2017, 8:00 PM MDT. Wind, 70 mph, ISABEL. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:715496.
Jul 20, 2017, 8:06 PM MDTWind66 mph11 S BULLHEAD
Record
  • Jul 20, 2017, 8:06 PM MDT. Wind, 66 mph, 11 S BULLHEAD. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:f5a6e49f55b2371368247ebe8cfa04bda176cc321878376ef6f108f1f69e9487.
Jul 20, 2017, 8:06 PM MDTWind66 mphBULLHEAD
Record
  • Jul 20, 2017, 8:06 PM MDT. Wind, 66 mph, BULLHEAD. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:715498.
Jul 20, 2017, 8:15 PM MDTWind74 mph11 S BULLHEAD
Record
  • Jul 20, 2017, 8:15 PM MDT. Wind, 74 mph, 11 S BULLHEAD. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:2f9af65001cdca22392e87b357561bac90ae1944f30803bd712d67bf9fb45c56.
Jul 20, 2017, 8:15 PM MDTWind74 mphBULLHEAD
Record
  • Jul 20, 2017, 8:15 PM MDT. Wind, 74 mph, BULLHEAD. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:715499.
Jul 20, 2017, 9:45 PM CDTWind63 mph1 SSE MAHTO
Record
  • Jul 20, 2017, 9:45 PM CDT. Wind, 63 mph, 1 SSE MAHTO. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:d1231b96d07470ed2492a4792bd840e5ce1be6c6d4edb9a7ea0b1044c5a05115.
Jul 20, 2017, 9:45 PM CDTWind63 mphMAHTO
Record
  • Jul 20, 2017, 9:45 PM CDT. Wind, 63 mph, MAHTO. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:715501.
Jul 20, 2017, 10:48 PM CDTWind60 mphAKASKA
Record
  • Jul 20, 2017, 10:48 PM CDT. Wind, 60 mph, AKASKA. Source: NWS Local Storm Reports. Status: Preliminary. Record id: lsr:8724b90f44abe5d6018b002d7c2a338c54cf9e054c347f62ad90e9affe4783bc.
Jul 20, 2017, 10:48 PM CDTWind60 mphAKASKA
Record
  • Jul 20, 2017, 10:48 PM CDT. Wind, 60 mph, AKASKA. Source: NCEI Storm Events. Status: Verified against NCEI Storm Events. Record id: ncei:715502.
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.