Hail and wind reports › August 17, 2026 › South Dakota
Hail and wind reports in South Dakota, August 17, 2026
2 hail, 24 wind and 0 tornado reports; largest hail 1.25 in; strongest gust 97 mph.
‹ August 16, 2026 · August 18, 2026 › · All dates
| Time (UTC) | Type | Size / speed | Place | County | Notes |
|---|---|---|---|---|---|
| 08-17 19:20 | Hail | 1.25 in | Ralph | Harding | Hail turned the ground white (UNR) |
| 08-18 00:56 | Hail | 1.00 in | Martin | Bennett | Nickel to quarter size hail covered the ground. Leaves and small branches down. Time estimated based on report and radar. (UNR) |
| 08-17 20:25 | Wind | 79 mph | 8 WNW Usta | Perkins | (UNR) |
| 08-17 20:30 | Wind | 60 mph | Meadow | Perkins | (UNR) |
| 08-17 20:44 | Wind | 60 mph | 5 SE Usta | Perkins | Winds estimated at 60 MPH. Pea to dime size hail completely covered the ground. Time estimated based on radar. (UNR) |
| 08-17 21:10 | Wind | 84 mph | 1 WSW Red Elm | Ziebach | (UNR) |
| 08-17 21:30 | Wind | 60 mph | 1 SSW Lantry | Dewey | no hail... strong winds: estimated 60mph... had 1 inch of rain. Time estimated by radar. (ABR) |
| 08-17 22:00 | Wind | damage | 6 N Kirley | Haakon | Multiple power poles snapped. 6 to 12 inch drifts of one-quarter inch hail. Time estimated by radar. (UNR) |
| 08-17 22:02 | Wind | 60 mph | 6 ENE Lodgepole | Perkins | (UNR) |
| 08-17 22:11 | Wind | 60 mph | 13 NNW Sansarc | Stanley | Mesonet station 168 Foster Bay (SDDOT). (ABR) |
| 08-17 22:20 | Wind | 97 mph | 7 W Ardmore | Fall River | (UNR) |
| 08-17 22:30 | Wind | 59 mph | 7 S Shadehill | Perkins | (UNR) |
| 08-17 22:34 | Wind | damage | 7 NW Hayes | Stanley | Roof to a shop was blown off by the winds. Time estimated by radar. (ABR) |
| 08-17 23:00 | Wind | 61 mph | 8 ENE Okobojo Creek Rec | Sully | Mesonet station Okobojo Point Rec Area 8ENE (Onida) (SD Mesonet). (ABR) |
| 08-17 23:14 | Wind | 61 mph | 2 E Polo | Hand | Mesonet station Okobojo Point Rec Area 8ENE (Onida) (SD Mesonet). (ABR) |
| 08-17 23:17 | Wind | 62 mph | 1 E Pierre Regional Air | Hughes | ASOS station KPIR Pierre Muni AP. (ABR) |
| 08-17 23:34 | Wind | 60 mph | 3 SSE Blunt | Hughes | Time estimated by radar. (ABR) |
| 08-17 23:44 | Wind | 92 mph | 3 N Rockyford | Oglala Lakota | Measured along BIA Highway 27 just north of the White River Ranger Station. (UNR) |
| 08-18 00:19 | Wind | 61 mph | 1 NE Stephan | Hyde | Mesonet station 183 Macs Corner (SDDOT). (ABR) |
| 08-18 01:01 | Wind | 62 mph | 12 ESE Sunshine Bible A | Hand | Mesonet station RHUS2 Danforth 5 E. Time estimated on radar. (ABR) |
| 08-18 01:10 | Wind | 73 mph | 4 ENE Martin | Bennett | (UNR) |
| 08-18 01:28 | Wind | 61 mph | 8 E Alpena | Sanborn | Mesonet station 328 SD RWIS ALPENA. (FSD) |
| 08-18 02:00 | Wind | 79 mph | 1 N Buffalo | Harding | (UNR) |
| 08-18 05:24 | Wind | 59 mph | 1 NE Stephan | Hyde | Mesonet station 183 Macs Corner (SDDOT). (ABR) |
| 08-18 05:55 | Wind | 63 mph | 3 N Gann Valley | Buffalo | Mesonet station 201 Gann Valley (SDDOT). (ABR) |
| 08-18 07:30 | Wind | 60 mph | 5 N Iona | Lyman | Strong winds and rain was coming down horizontally (0.70in). time estimated by Radar. (ABR) |
Preliminary local storm reports from NOAA's Storm Prediction Center, made by trained spotters, the public and National Weather Service offices. Not every storm is reported, reports can be revised, and a report near a property shows storm exposure, not proof of damage. A report day runs from 7 a.m. Eastern (12:00 UTC) to 7 a.m. the next day; times are UTC.
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