NWS Grand Forks NDFF.W 0007September 28, 2026
Flash Flood Warning: Clay and Cass, MN and ND
The National Weather Service office in Grand Forks issued a flash flood warning for Clay and Cass in Minnesota, North Dakota, which was in force until 10:15 p.m. local time on September 28. It was the 7th flash flood warning the NWS office in Grand Forks issued in 2026. Minnesota had 12 flash flood warnings in September 2026, against 4 in an average September of 2008-2025 (Minnesota's flash flood warnings by year).
ExpiredWarning
In force for 3.9 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Grand Forks ND
- Area
- Clay and Cass
- State
- Minnesota
- Level
- Warning
- Issued
- 6:20 p.m. CDT, September 28, 2026
- Expires
- 10:15 p.m. CDT, September 28, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KFGF FF.W 0007
- 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
FFWFGF The National Weather Service in Grand Forks has issued a * Flash Flood Warning for... West Central Clay County in northwestern Minnesota... East Central Cass County in southeastern North Dakota... * Until 1015 PM CDT. * At 620 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts up to 1 inch are possible in the warned area. 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... Fargo, Moorhead, West Fargo, Dilworth, Reile's Acres, Oakport, Frontier, Prairie Rose, Briarwood and North River.
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.