Alert archive / South Dakota / River Flood Warnings in 2025
River Flood Warning 8, NWS Aberdeen, SD
NWS Aberdeen, SD issued this river flood warning at Jun 26, 2025, 4:30 AM CDT for Grant County, South Dakota. It was in force for 21 days.
The area
The counties it named.
The facts
- Issued
- Jun 26, 2025, 4:30 AM CDT (09:30 UTC)
- Expired
- Jul 17, 2025, 4:30 AM CDT
- In force
- 21 days
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Flood severity
- Minor
County Grant County, SD
The radar
The Aberdeen radar (KABR), 132 km from the middle of the area, began a volume at 09:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Big Sioux River near Florence (FLOS2). The gauge peaked at 8.97 ft at Jun 27, 2025, 1:00 AM CDT.
- Action stage
- 7 ft
- Minor stage
- 8 ft
- Moderate stage
- 8.5 ft
- Major stage
- 9 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06479215, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 3:04 AM CDT | Dense Fog Advisory | ABR | Codington, Day, Deuel, Grant, Hamlin, Marshall and 1 more | 9 hr |
| Jun 26, 10:07 AM CDT | River Flood Warning | ABR | Grant | 21 days |
| Jun 26, 10:48 AM CDT | River Flood Warning | ABR | Grant | 21 days |
| Jun 26, 10:48 AM CDT | River Flood Warning | ABR | Codington | 50 hr |
Nearby
River Flood Warnings in South Dakota, 2025Every river flood warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.