South Dakota storm reports for August 21, 2026
NOAA recorded 2 hail reports and 4 wind reports in South Dakota on August 21, 2026.
- in South Dakota
- 6
- Storm reports
- 6 ENE Oelrichs, Fall River County, SD
- 3.0 in
- Largest hail
- 10 ESE Oelrichs, Fall River County, SD
- 69 mph
- Highest gust
- 0
- Tornado reports
Hail, inches
- 0.75
- 1
- 1.5
- 2
- 2.5
- 3+
Dots: reports. Shading: radar estimate.
- Wind report
- Estimated gusts, 50 to 90 mph
Hail, inches
- 0.75
- 1
- 1.5
- 2
- 2.5
- 3+
Dots: reports. Shading: radar estimate.
- Wind report
- Estimated gusts, 50 to 90 mph
Source: NOAA/NWS Storm Prediction Center, preliminary storm reports. NOAA revises recent reports for several weeks. Report day: 12:00 UTC on August 21, 2026 to 12:00 UTC the next day. Times are Central.
Select a dot or a path for the report. Gust lines are estimates: the highest gust of the day in NOAA's hourly 2.5 km wind analysis (URMA), which fills in between weather stations. They aren't measurements at any building.
Reports by hour
Hail2, most at 5 PM
Wind4, most at 4 PM
Every report
Source: NOAA/NWS Storm Prediction Center.
| Time | Size | Where |
|---|---|---|
| 5:15 PM | 3.0 in | 6 ENE Oelrichs, Fall River County, SD |
| 5:30 PM | 1.0 in | 13 W Oglala, Oglala Lakota County, SD |
| Time | Gust | Where |
|---|---|---|
| 4:45 PM | 58 mph | 2 SSW Oral, Fall River County, SD |
| 4:58 PM | Not measured | Smithwick, Fall River County, SD |
| 5:25 PM | 59 mph | 10 ESE Oelrichs, Fall River County, SD |
| 5:35 PM | 69 mph | 10 ESE Oelrichs, Fall River County, SD |
Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.