The National Weather Service on Friday issued multiple tornado watches across the Midwest, warning that severe storms could develop through the evening of 11 July. An initial watch covers parts of Illinois, Iowa and Missouri until 8 p.m. Central Daylight Time. A second watch, announced later in the afternoon, extends the threat period for portions of Illinois and Wisconsin, including the Chicago and Milwaukee metropolitan areas, until 11 p.m. CDT. Residents are advised to monitor local forecasts and be prepared to take shelter if warnings are issued.