Tuesday, August 18: Thunderstorms May Bring Gusty Winds and Heavy Rain to Sheboygan County
Sheboygan County, WI — August 18, 2026. Thunderstorms may develop across Sheboygan County from Tuesday afternoon through the evening, with a few stronger storms capable of producing gusty winds and heavy rainfall.
The National Weather Service Milwaukee/Sullivan hazardous weather outlook included the county in an update issued at 5:05 a.m. CDT Tuesday, August 18. The outlook said thunderstorms could continue through the evening and that spotter activation may be needed during the afternoon and evening.
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7-Day Weather Forecast
Storm chances during Tuesday afternoon
The NWS Sheboygan County forecast was updated at 7:31 a.m. CDT Tuesday and calls for a 50 percent chance of showers and thunderstorms during the afternoon, followed by additional storm chances during the evening.
The forecast does not establish that severe weather will occur across the county. It does indicate that conditions may change during outdoor work, sports, boating, family activities and evening travel.
What Sheboygan County residents can do
- Secure patio furniture, decorations, tools and other loose outdoor items before storms develop.
- Check active NWS alerts before boating, outdoor work, sports, events or evening plans.
- Allow extra travel time if heavy rain reduces visibility or storms affect roads.
- Move indoors promptly if thunder is heard.
As of the Tuesday morning research check, no confirmed warning, flood warning, road disruption, school change, outage, closure or event cancellation was established in the approved source information. Conditions and official alerts can change, so residents should continue checking the National Weather Service and local notices if storms develop.
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