260 WWUS74 KMEG 182001 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 301 PM CDT Tue Jul 18 2023 ARZ049-058-MSZ007-010-011-190215- /O.NEW.KMEG.EH.W.0003.230719T1700Z-230720T0100Z/ /O.CON.KMEG.EH.W.0002.000000T0000Z-230719T0100Z/ Lee AR-Phillips-Tunica-Coahoma-Quitman- Including the cities of Marianna, Helena, West Helena, Tunica, Clarksdale, and Marks 301 PM CDT Tue Jul 18 2023 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...