Slow-moving thunderstorms have prompted a Flash Flood Watch to be issued for locations west of Interstate 65:

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Huntsville AL
423 AM CDT Sun Sep 13 2020

ALZ001>005-TNZ076-096-140000-
/O.NEW.KHUN.FF.A.0010.200913T0923Z-200914T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Moore-Lincoln-
Including the cities of Russellville, Sheffield, Red Bay, Athens,
Muscle Shoals, Tuscumbia, Moulton, Fayetteville, Florence, Town
Creek, and Lynchburg
423 AM CDT Sun Sep 13 2020

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

The National Weather Service in Huntsville has issued a

* Flash Flood Watch for portions of Alabama and southern middle
  Tennessee, including the following areas, in Alabama, Colbert,
  Franklin AL, Lauderdale, Lawrence and Limestone. In southern
  middle Tennessee, Lincoln and Moore.

* Through this evening

* Several rounds of moderate to heavy showers and thunderstorms will
  occur in the vicinity of a frontal boundary that will remain
  stalled across the watch area today. Although the coverage of this
  activity may diminish during the afternoon hours, training of
  showers and thunderstorms will result in locally heavy rainfall
  rates that could lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead to
Flash Flooding. Flash Flooding is a very dangerous situation. You
should monitor later forecasts and be prepared to take action should
Flash Flood Warnings be issued.