Issued 403 AM EDT Sat Sep 22 2018 Valid Sat Sep 22 2018 - Mon Sep 24 2018 ...Heavy to excessive rainfall shifts from eastern Texas/Oklahoma to the Lower Ohio Valley this weekend... ...Elevated to critical fire weather threat continues across the Central Great Basin and Central Rockies... The heavy rainfall and flash flood threat overnight across Texas and Oklahoma will shift slowly south and eastward into the lower Mississippi and Ohio Valleys this weekend as above normal mois...