Flood Advisory — Ozaukee County, Wisconsin
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued September 3 at 9:04AM CDT until September 3 at 12:00PM CDT by NWS Milwaukee/Sullivan WI
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northwestern Milwaukee County in southeastern Wisconsin... Southwestern Ozaukee County in southeastern Wisconsin... Southeastern Washington County in southeastern Wisconsin... Northeastern Waukesha County in southeastern Wisconsin... * WHEN...Until noon CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 904 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Northern Milwaukee, Menomonee Falls, Mequon, Whitefish Bay, Brown Deer, Sussex, Fox Point, Bayside, Thiensville, Germantown, Glendale, Lisbon, Merton, Butler, River Hills, Lannon, Richfield, Colgate and Hubert
Effective September 3, 2026 at 10:04 AM ET · Expires September 3, 2026 at 1:00 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Milwaukee/Sullivan WI
Expires
September 3, 2026 at 1:00 PM ET
Last Checked
just now
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Also In Effect For
This same Flood Advisory also covers:
Other Active Alerts in Wisconsin
Flash Flood Warning
Flash Flood Warning
Flood Advisory
Flash Flood Warning
Flash Flood Warning
Flood Advisory
Get Flood Advisory Alerts for Ozaukee County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Flood Advisory mean for Ozaukee County, Wisconsin?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (just now). It's set to expire September 3, 2026 at 1:00 PM ET.
How do I get notified about Flood Advisory alerts for Ozaukee County?
Download StormCast free on Google Play and set Ozaukee County, Wisconsin as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flood Advisory is also in effect for Waukesha County, Washington County, Milwaukee County.