Issued 411 PM EDT Sat Jun 23 2018 Valid Sun Jun 24 2018 - Tue Jun 26 2018 ...There is a slight risk of severe thunderstorms over parts of the Mid-Atlantic, Southern Plains to Southern Appalachians, and parts of the Central High Plains... ...Heavy rain possible over parts of the Central Plains into the Middle Mississippi Valley.. A warm front extending from the Southern Plains to the Mid-Atlantic will lift northward to the Middle Mississippi Valley while extending eastward to t...