A dangerous derecho is expected to form in parts of the Northern Plains and Upper Midwest on Monday, with wind gusts over 75 mph likely. A moderate threat for severe storms is in place for parts of South Dakota and Minnesota on Monday afternoon into the evening due to the threat of a derecho, a wind storm that can cause significant damage.

It's not just heat impacting South Dakota this week. Sioux Falls is in line for some extreme weather tonight, July 28, with the chance of a wind gusts reaching 80 mph or greater or the system evolving into a derecho,