Thunderstorm Wind, Haakon
- When
- September 12, 10:20 PM MST
- Where
- Haakon County, 11.43 mi W of Milesville
- Measured
- 54 kt (62 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 44.470, -101.900
SD Mesonet Station recorded the wind gust.
Damaging Winds in South Dakota, September 12 to 13, 2025
Storms developed across western SD during the late afternoon and continued into the evening. The strongest storms produced strong wind gusts that were captured by local SD Mesonet Sites.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 7
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS UNR wrote it up.
Storms developed across western SD during the late afternoon and continued into the evening. The strongest storms produced strong wind gusts that were captured by local SD Mesonet Sites.
The radar
The Rapid City radar (KUDX), 83 km away, was scanning. The volume nearest the first event began at 05:18 UTC.
Event by event
7 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Ziebach
- When
- September 12, 10:21 PM MST
- Where
- Ziebach County, 2.02 mi SW of Bridger
- Measured
- 50 kt (58 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 44.530, -101.930
SD Mesonet Station recorded the wind gust.
Thunderstorm Wind, Haakon
- When
- September 12, 10:25 PM MST
- Where
- Haakon County, 11.43 mi W of Milesville
- Measured
- 58 kt (67 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 44.470, -101.900
SD Mesonet Station recorded the wind gust.
Thunderstorm Wind, Ziebach
- When
- September 12, 10:26 PM MST
- Where
- Ziebach County, 2.02 mi SW of Bridger
- Measured
- 54 kt (62 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 44.530, -101.930
SD Mesonet Station recorded the wind gust.
Thunderstorm Wind, Ziebach
- When
- September 12, 10:31 PM MST
- Where
- Ziebach County, 2.02 mi SW of Bridger
- Measured
- 55 kt (63 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 44.530, -101.930
SD Mesonet Station recorded the wind gust.
Thunderstorm Wind, Meade
- When
- September 13, 2:07 AM MST
- Where
- Meade County, Howes
- Measured
- 51 kt (59 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 44.620, -102.050
SD Mesonet Station recorded the wind gust.
Thunderstorm Wind, Meade
- When
- September 13, 2:35 AM MST
- Where
- Meade County, (D07)faith Arpt
- Measured
- 50 kt (58 mph) measured gust
- Reported by
- ASOS
- Coordinates
- 45.030, -102.020
ASOS measured wind gust.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Flash Flooding in Arizona, September 12 to 13, 2025
- Rip Current in Texas, September 12, 2025
- Tornado and Hail in North Dakota, September 12, 2025
- Marine Thunderstorm Winds and Waterspout in Gulf of Mexico, September 12 to 13, 2025
- Hail in North Dakota, September 12, 2025
- Hail in Minnesota, September 12, 2025
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, September 12, 2025
- Debris Flow and Flood in Puerto Rico, September 12, 2025
- Hail and Damaging Wind in Minnesota, September 12, 2025
- Hail in Montana, September 12, 2025
- Hail in South Dakota, September 12, 2025
- Damaging Wind in Montana, September 12, 2025
More
Every storm in South Dakota in 2025Every state in 2025This day in weather historyWarnings in South Dakota, September 2025
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1298099, 1298100, 1298101, 1298102, 1298103, 1298104, 1298105.