NWS Sioux Falls SDFF.W 0016September 7, 2026
Flash Flood Warning: Charles Mix, SD
The National Weather Service office in Sioux Falls issued a flash flood warning for Charles Mix in South Dakota, which was in force until 11:00 p.m. local time on September 7. It was the 16th flash flood warning the NWS office in Sioux Falls issued in 2026. South Dakota had 3 flash flood warnings in September 2026, against 3 in an average September of 2008-2025 (South Dakota's flash flood warnings by year).
ExpiredWarning
In force for 2.9 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Sioux Falls SD
- Area
- Charles Mix
- State
- South Dakota
- Level
- Warning
- Issued
- 8:07 p.m. CDT, September 7, 2026
- Expires
- 11:00 p.m. CDT, September 7, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KFSD FF.W 0016
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWFSD The National Weather Service in Sioux Falls has issued a * Flash Flood Warning for... Southeastern Charles Mix County in south central South Dakota... * Until 1100 PM CDT. * At 807 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Wagner, Marty, Dante and Yankton Sioux Tribal Nation.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.