Key keywords: Monday thunderstorm potential, Midwest severe weather forecast, flash flood risk Monday, severe thunderstorm warning, convective weather outlook, large hail damage risk, thunderstorm safety guidance, Monday commute weather disruption The U.S. National Weather Service (NWS) released its latest convective outlook on Sunday afternoon, confirming that most parts of the Upper Midwest and Great Lakes region face significant thunderstorm potential on Monday, marking the third consecutive day of severe weather risk for the area. A total of 12 states, including Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio and Wisconsin, are placed under level 2 to level 3 severe weather risk ratings, with the highest risk zone stretching from central Iowa to northern Indiana, where over 4 million residents are expected to be impacted. Meteorologists note that the upcoming thunderstorms are fueled by unseasonably warm, moist air masses colliding with a fast-moving cold front, which is expected to trigger widespread storm activity starting from 10 a.m. local time on Monday, peaking between 3 p.m. and 8 p.m. during the evening commute rush. The storms are projected to bring wind gusts of up to 75 miles per hour, hailstones measuring up to 1.5 inches in diameter, and localized rainfall of 2 to 3 inches within two hours, which poses a high flash flood risk for low-lying areas, regions with poor drainage, and communities still recovering from flood damage caused by last week’s storms. The NWS has urged all residents in affected areas to monitor local weather alerts closely throughout Monday, avoid unnecessary outdoor activities during storm hours, and prepare emergency kits with flashlights, portable chargers, bottled water and non-perishable food in case of extended power outages. Local power companies have announced that they have deployed more than 800 emergency repair crews across high-risk regions, and are pre-positioning equipment to respond to potential downed power lines and widespread outages as quickly as possible. For commuters, transportation authorities have advised adjusting travel schedules to avoid peak storm hours if possible, and warned against driving through flooded roadways, even if the water appears shallow. Local school districts across central Illinois and Indiana have already announced that all outdoor recess and after-school sports activities will be canceled on Monday, and that flexible early dismissal options will be available if weather conditions deteriorate rapidly. Agricultural authorities also reminded farmers to move livestock to sheltered areas and secure loose farm equipment to avoid damage from strong winds.