Sunday forecast: A heat index over 100 degrees is likely to linger this week

Extreme heat is expected to persist throughout the week, with temperatures likely to exceed 100 degrees in Michigan and various regions. While high heat indices linger, rainfall patterns remain inconsistent across northern and southern Minnesota, characterized as an all-or-nothing summer. These weather conditions indicate a significant heatwave settling into the area, affecting multiple states with intense temperatures and unpredictable precipitation levels as the current weekly forecast predicts continued high heat for the region.