A potentially devastating multiday flood is brewing for the mid-Mississippi Valley, prompting severe weather alerts across the region. The Tennessee Emergency Management Agency (TEMA) has declared a state of emergency as heavy storms and flooding threaten local areas, with predictions of 8-10 inches of rain in Clarksville this week. Memphis and the surrounding areas are on high alert for tornadoes as storm shelters open, and officials advise residents to prepare for hazardous conditions. The Memphis Weather Service has issued warnings for parts of Tennessee and neighboring states, while emergency personnel are on standby in anticipation of severe storms. A rare high severe weather risk has been noted, with conditions expected to last several days. Residents are urged to stay off roadways and remain informed about the evolving weather situation.