Store shelves have been cleared of necessities and emergency supplies - from bread and milk to beer and chips.
But one item remains; foam coolers with the Dallas Cowboys' star.
Amjad Ismail's photo tweet has gone viral. It's a picture of empty shelves at a Houston Wal Mart, with only Cowboys coolers remaining.
Ismail tells our TV Partner KPRC Channel-2 he took the photo Thursday night at the Walmart at I-10 and Fry Road with the message: "Even in a hurricane no one is taking the cowboys coolers #Harvey2017 #houstontexans"
Others are chiming in. Matthew Ward tweeted, "Peak Houston. We'd rather be unprepared than touch cowboys stuff."
While a San Antonio-based Twitter account wrote, "Team with no ring talking."
Here's his Tweet: