Issued 358 PM EDT Fri Jun 22 2018 Valid Sat Jun 23 2018 - Mon Jun 25 2018 ...Severe thunderstorm potential will be greatest across portions of the central and southern Plains throughout the weekend... ...Flash flooding concerns will lessen across the East beginning Saturday while they remain across portions of the Plains and lower Mississippi valley... ...Abundant heat in store for California and the Desert Southwest while fire weather concerns loom over the Four Corners regio...