Watt began the fund with a $200,000 goal but has escalated that benchmark frequently.
"Every single day since then has been a reminder of how much good there is out there in the world," Watt said in a Twitter video Wednesday. "How when times are tough and things look bleak, people step up to help their fellow human. It has truly been an incredible spectacle to watch and I cannot thank everybody enough for sharing it and donating and doing whatever you possibly can to help this cause."
And the money keeps coming.
On Friday, the effort cleared the $30 million mark. Big donators this week included businessman Charles Butt and Jimmy Fallon. Butt gave $5 million, while Fallon announced his $1 million gift this week on his show. The fund has also received donations from Drake, Miley Cyrus and Ellen DeGenerous.
"...J.J. Watt from the Houston Texans, who has raised over $18 million to provide food, water and supplies to the victims," Fallon said on his show this week. "I'm proud to say that our show, The Tonight Show, is donating $1 million to J.J.'s fund. Thank you, J.J."
The three-time Defensive Player of the Year is owed $10.5 million in base salary this season from the Texans.
He also has an early lead on winning the Walter Payton NFL Man of the Year award.
Watt and the Texans kickoff the regular season at 1 p.m. Sunday against the Jacksonville Jaguars at NRG Stadium in Houston.