Southern Missouri, particularly Springfield, remains under an Extreme Heat Warning today, posing risks of heat-related illnesses. However, incoming clouds may mitigate extreme heat conditions. Scattered thunderstorms could bring heavy rainfall, increasing the risk of localized flooding in affected areas. Extremely high moisture content through Thursday may exacerbate rainfall intensity. Residents in western Missouri and northwest Arkansas should prepare for potential storm impacts, including heavy rain and localized flooding. (KY3)