Between August 11 and August 16, 2025, the National Weather Service offices in Boulder, Chicago, Twin Cities, and Milwaukee issued multiple special weather statements and severe weather warnings across parts of Colorado, Illinois, Indiana, Minnesota, and Wisconsin. These advisories covered various locations including Boyero, Lincoln County, Karval, Weldona, Fort Morgan, Sterling, and Centennial in Colorado; Ottawa, Streator, Morris, Chicago, Naperville, and Orland Park in Illinois; Hammond and Gary in Indiana; Alexandria, Minneapolis, Saint Paul, Bloomington, Woodbury, Saint Cloud, and Willmar in Minnesota; as well as Westfield, Berlin, and Markesan in Wisconsin. The warnings included severe thunderstorm warnings with wind gusts up to 70 mph, flash flood warnings, and severe thunderstorm watches, particularly affecting Minnesota and parts of Iowa. The warnings were issued with varying expiration times, generally lasting from a few hours up to early morning on August 16. The weather alerts indicate ongoing severe weather conditions impacting the Upper Midwest and parts of the central United States during this period.