NWS Sioux Falls SDFF.W 0005June 30, 2026
Flash Flood Warning: Woodbury and Dakota, IA and NE
The National Weather Service office in Sioux Falls issued a flash flood warning for Woodbury and Dakota in Iowa, Nebraska, which was in force until 7:30 a.m. local time on June 30. It was the 5th flash flood warning the NWS office in Sioux Falls issued in 2026. Iowa had 21 flash flood warnings in June 2026, against 32 in an average June of 2008-2025 (Iowa'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
- Woodbury and Dakota
- State
- Iowa
- Level
- Warning
- Issued
- 4:37 a.m. CDT, June 30, 2026
- Expires
- 7:30 a.m. CDT, June 30, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KFSD FF.W 0005
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in Iowa since 2008Every warning type in Iowa
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... Northwestern Woodbury County in west central Iowa... Northeastern Dakota County in northeastern Nebraska... * Until 730 AM CDT. * At 437 AM CDT, Radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 2 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Broadcast media reported. IMPACT...Flash flooding of urban areas, highways, streets and underpasses as well as other poor drainage and low- lying areas. * Some locations that will experience flash flooding include... Sioux City and South Sioux City. Broadcast media reported water covering the intersection of 15th Street and G Street in South Sioux City. Additional rainfall from thunderstorms could exacerbate flooding in this area as well as poor drainage areas around the city.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.
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.