The National Weather Service has issued multiple severe weather alerts across Illinois, Wisconsin, Minnesota, and Indiana from August 17 to August 19, 2025. These include severe thunderstorm warnings with wind gusts up to 70 mph affecting areas such as Bolingbrook, Orland Park, Tinley Park, Chicago, Cicero, Oak Lawn, and Mendota in Illinois, as well as Darlington, Madison, Fort Atkinson, Waukesha, and Milwaukee in Wisconsin. Flash flood warnings have been issued for numerous locations including Chicago, Joliet, Naperville, Downers Grove, Woodridge, Hammond, Gary, and East Chicago, with some warnings extending into early morning hours. Additionally, tornado warnings were active for parts of Iowa and Minnesota, including Leland, Thompson, Frost, Winnebago County, Minnesota Lake, and Waldorf, with some warnings continuing until 8:30 PM CDT. Special weather statements were also released for various smaller communities in the affected states, indicating ongoing weather concerns. These warnings reflect a period of intense and hazardous weather conditions across the Midwest region.