Milwaukee is preparing for a weekend filled with rain and thunderstorms, as a low-pressure system moves into the region. The National Weather Service forecasts increased moisture and atmospheric instability, leading to the development of thunderstorms from Friday evening through Sunday. Residents can expect periods of heavy rain, with some areas potentially receiving up to 1 inch of precipitation. These thunderstorms are likely to bring gusty winds and occasional lightning, making outdoor activities potentially dangerous, especially on Saturday when the weather is expected to be most intense.