ZIP Wind and Hail Context
ZIP 57339 (SD) Wind History and Hail Context
ZIP 57339
See verified wind and hail reports for ZIP 57339 (SD), including recent storm days, peak values, and map-based context.
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Impacted Places
Hail Stats
- Max Report
- 3.00 in
- Reports
- 3
- Severe Reports
- 1
Wind Stats
- Max Gust
- 81 mph
- Reports
- 6
- Tornado Reports
- 2
- Severe Reports
- 2
5-Year Coverage
| Year | Hail Days | Wind Days | Tornado Days | Any Severe Day |
|---|---|---|---|---|
| 2026 | 1 | 2 | 1 | 2 |
Verified Event Log (5-Year Window)
| Date | Hazard | Intensity | Distance | Location | Source |
|---|---|---|---|---|---|
| 2026-08-17 | wind | 63 mph | 0.0 mi | 3 N Gann Valley, SD | NOAA SPC |
| 2026-07-02 | hail | 3.00 in | 0.0 mi | 7 SSW Gann Valley, SD | NOAA SPC |
| 2026-07-02 | hail | 2.75 in | 0.0 mi | 7 WNW Gann Valley, SD | NOAA SPC |
| 2026-07-02 | hail | 1.75 in | 0.0 mi | 7 SSW Gann Valley, SD | NOAA SPC |
| 2026-07-02 | tornado | Tornado UNK | 0.0 mi | 6 S Gann Valley, SD | NOAA SPC |
| 2026-07-02 | tornado | Tornado UNK | 0.0 mi | 2 E Gann Valley, SD | NOAA SPC |
| 2026-07-02 | wind | 81 mph | 0.0 mi | 3 N Gann Valley, SD | NOAA SPC |
| 2026-07-02 | wind | 62 mph | 0.0 mi | 1 NNW Lees Corner, SD | NOAA SPC |
| 2026-07-02 | wind | 62 mph | 0.0 mi | 3 N Gann Valley, SD | NOAA SPC |
Mesonet station 201 Gann Valley (SDDOT). (ABR)
Photo relayed via text... included spotter ruler card. (ABR)
report relayed via EM... golf ball to baseball size hail with heavy rain. Location and time estimated. (ABR)
(ABR)
Tornado on the ground. (ABR)
Several photos on X of a tornado on the ground near Gann Valley. Location estimated via radar. (ABR)
Mesonet station 201 Gann Valley (SDDOT). (ABR)
Mesonet station 289 Lees Corner (SDDOT). (ABR)
Report Highlights
- ZIP 57339, SD has 3 hail reports and 6 wind/tornado reports in the covered window.
- 1 distinct days hit severe hail thresholds near this location.
- ZIP 57339, SD sees recurring wind and tornado exposure with 6 reports in scope.
- 2 distinct days met severe wind/tornado thresholds near this location.
Data & Methodology
- Noaa Spc
- 9
- Derived from NOAA SPC daily severe weather reports.
- Counts are aggregated by place and day, then normalized into HailDrive SEO metadata.
- Wind includes thunderstorm wind + tornado report families.
Explore More Reports
Browse Storm Indexes
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Timeline
2026-08-17T05:55:00Z
Wind 63 mph
Mesonet station 201 Gann Valley (SDDOT). (ABR)
2026-07-02T21:05:00Z
Wind 81 mph
Mesonet station 201 Gann Valley (SDDOT). (ABR)
2026-07-02T20:55:00Z
Wind 62 mph
Mesonet station 201 Gann Valley (SDDOT). (ABR)
2026-07-02T20:41:00Z
Hail 2.75 in
report relayed via EM... golf ball to baseball size hail with heavy rain. Location and time estimated. (ABR)
2026-07-02T20:40:00Z
Wind 62 mph
Mesonet station 289 Lees Corner (SDDOT). (ABR)
2026-07-02T20:10:00Z
Tornado Tornado UNK
Several photos on X of a tornado on the ground near Gann Valley. Location estimated via radar. (ABR)
2026-07-02T19:56:00Z
Tornado Tornado UNK
Tornado on the ground. (ABR)
2026-07-02T19:30:00Z
Hail 3.00 in
Photo relayed via text... included spotter ruler card. (ABR)
2026-07-02T19:15:00Z
Hail 1.75 in
(ABR)