Monday, September 14: Showers, Thunderstorms and Locally Heavy Rain May Affect Sheboygan County
Sheboygan County, WI — September 12, 2026
The National Weather Service is watching a more active weather pattern for Sheboygan County beginning Monday afternoon, with the main concern Monday evening and overnight into at least Tuesday.
Loading current temperature...
7-Day Weather Forecast
Monday evening brings the main weather concern
The NWS Sheboygan County forecast, updated at 4:30 a.m. CDT Saturday, September 12, calls for shower chances to increase Monday afternoon. Monday night brings showers and possible thunderstorms, breezy south winds, and about a 90 percent chance of precipitation.
The NWS Milwaukee/Sullivan Hazardous Weather Outlook, issued at 12:50 a.m. CDT Saturday, September 12, says thunderstorms and locally heavy rainfall are possible from Monday evening through at least Tuesday. The outlook also identifies the nearshore waters from Sheboygan to Port Washington as an area to monitor for hazardous marine conditions.
What Sheboygan County residents should do
- Check updated National Weather Service forecasts before Monday evening activities and travel.
- Secure loose outdoor items before storms develop.
- Allow extra flexibility for evening commutes and Monday-night travel if storms or heavy rain form.
- Boaters and other lake users should monitor updated marine forecasts for the Sheboygan-area nearshore waters.
The weather could change before Monday, and the current outlook does not mean severe weather or flooding is certain. As of the approved NWS brief, there is no active warning, flooding notice, closure or cancellation established for Sheboygan County.
Readers should continue checking updated NWS information as Monday approaches, especially if they have outdoor plans, evening events, lake activities or travel scheduled.
