Showers and Storms Expected Tuesday in Southern Wisconsin
• Central Wisconsin is under a First Alert for potential showers and storms on Tuesday, August 18,
• Light showers are possible in the morning, with a higher likelihood of storms developing in the afternoon, particularly in southern areas. The weather is expected to remain partly to mostly cloudy, with more cloud cover in the southern regions. Temperatures will range from the mid to upper 70s (24-26°C). Rainfall totals are expected to stay under 0.25 inches (6.35 mm) in most areas, though isolated storms could bring higher amounts. Severe weather is more likely to occur south of Highway 10, with a few strong storms possible in the afternoon and evening. Drought conditions in the region are not expected to improve significantly with this rainfall. (WSAW, 2026-08-18)
Impact & Risks
The primary impact will be localized showers and thunderstorms, with the strongest storms expected south of Highway 10. While most areas will see light rainfall, isolated storms could bring heavier precipitation, potentially causing minor flooding in low-lying areas. Severe weather is not anticipated for central Wisconsin but remains a possibility further south. Residents in southern regions should remain alert for changing weather conditions, especially during the afternoon and evening hours. (WSAW, 2026-08-18)
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