NWS Milwaukee/Sullivan WIFF.W 0021September 4, 2026
Flash Flood Warning: Sheboygan, WI
The National Weather Service office in Milwaukee/Sullivan issued a flash flood warning for Sheboygan in Wisconsin, which was in force until 9:00 a.m. local time on September 4. It was the 21st flash flood warning the NWS office in Milwaukee/Sullivan issued in 2026. Wisconsin had 4 flash flood warnings in September 2026, against 5 in an average September of 2008-2025 (Wisconsin's flash flood warnings by year).
ExpiredWarning
In force for 3.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Milwaukee/Sullivan WI
- Area
- Sheboygan
- State
- Wisconsin
- Level
- Warning
- Issued
- 5:56 a.m. CDT, September 4, 2026
- Expires
- 9:00 a.m. CDT, September 4, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KMKX FF.W 0021
- 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
FFWMKX The National Weather Service in Milwaukee/Sullivan has issued a * Flash Flood Warning for... Northeastern Sheboygan County in east central Wisconsin... * Until 900 AM CDT. * At 556 AM 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 0.5 to 1.5 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches 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... Sheboygan, Plymouth, Sheboygan Falls, Howards Grove, Oostburg, Kohler, Elkhart Lake, Waldo, Glenbeulah, Johnsonville, Gibbsville and Haven.
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.
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.