The Raiders face the Titans on Saturday afternoon and are hoping to ignite their NRL season, having won just three of their opening eight games.
But Stuart's opportunity to pick up two much-needed points suffered a blow when five-eighth Ethan Strange didn't get through training on Thursday because of an ankle injury.
It has heaped further pressure on the side's depth, with Noah Martin (ankle), Zac Hosking (concussion), Josh Papali'i (calf), Hudson Young (suspension) and Xavier Savage (ankle) also out for the clash in Robina.
Stuart fronted the media on Friday and was peppered with questions about who would replace Strange in the halves, as the 21-year-old has been a shining light for the Raiders.
"(Weekes) has played in the halves ... We'll have another session today. 'K' (Weekes) did a good job there yesterday," Stuart said.
"He has played there before. He has very elite skill and speed."
Weekes last played in the No.6 jersey in 2024 and returns to the halves position after the reduced squad of 20 was announced.
After predominantly playing as a fullback for Penrith before moving to Canberra ahead of this season, recruit Daine Laurie shifts to the No.1 jersey.
"You just have to control what you can, and that's what we're doing,'' Stuart said.
"We'll throw a team out there, and I know they'll give everything.
"We were very lucky last year with the minimal injuries, but it's certainly paid us back in that last fortnight."
Stuart said Strange lacked fluency and didn't look at his best at Thursday's training.
"I said 'mate, it makes it too hard if you are there for 10 to 15 minutes into a game and find you're not confident with your ankle'," Stuart said.
"It just disrupts the balance of your interchange."
Simi Sasagi will return from a hamstring niggle in the back row while Sione Finau joins the bench.
Stuart also said he would not rush back Martin, who is to undergo a syndesmosis operation.
Fresh off a bye, the Titans welcome back centre AJ Brimson (personal) and lock Chris Randall (calf) as they look to end the Raiders' eight-year winning streak against them on the Gold Coast.
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