Weber (knee) has not seen the estimated timetable for his returned changed according to head coach Claude Julien.
Weber (knee) practiced alongside his teammates for the first time Monday.
Tatar scored the game-winning goal in Saturday's 5-4 comeback victory over Vegas. He added three shots and two hits over 16:40 of ice time.
Domi had two assists along with three shots on net and two blocked shots in a 5-4 win over Vegas on Saturday.
Ouellet was held out of the active lineup against Vegas on Saturday, Stu Cowan of the Montreal Gazette reports.
Schlemko made his season debut in Saturday's 5-4 win over Vegas, posting a plus-2 rating, one shot and three blocks in exactly 20 minutes of ice time.
Schlemko (knee) has been activated from injured reserve, per the NHL's official media site.
Gallagher skipped practice Friday, opting to take a therapy day, Stu Cowan of the Montreal Gazette reports.
Niemi will start between the pipes in Saturday's home game against the Golden Knights, John Lu of TSN.ca reports.
Alzner started in place of Noah Juulsen on Thursday and had four blocked shots, two hits, a two-minute minor penalty and one shot on net in a 6-5 overtime loss to Buffalo.
Shaw had a season-high 18:14 of ice time and scored a goal on four shots in Thursday's 6-5 overtime loss to the Sabres.
Agostino was in the active lineup Thursday, registering a shot and a hit over 13:06 of ice time in a 6-5 overtime loss to the Sabres.
Armia is expected to be sidelined for 6-to-8 weeks due to a knee injury.
Armia (lower body) and the Canadiens are waiting for the results of the winger's MRI.
Byron (lower body) -- who was previously placed on injured reserve -- is considered week-to-week, according to coach Claude Julien.
Armia (lower body) will not be in the lineup versus Buffalo on Thursday, John Lu of TSN.ca reports.
The Canadiens recalled Agostino from AHL Laval on Wednesday.
Byron (lower body) is listed on injured reserve, per the NHL's official media site.
Byron (lower body) is no longer listed on injured reserve, per the NHL's official media site.
Petry registered a pair of assists Tuesday in a 5-3 loss to the Rangers.
Domi scored a power-play goal but it wasn't enough as Montreal fell to the Rangers 5-3 on Tuesday.
Tatar scored two goals on six shots in Tuesday's 5-3 loss to the Rangers. He added a blocked shot and a minor penalty over 18:03 of ice time.
Gallagher recorded two assists on Tuesday in a 5-3 loss to the Rangers.
Price yielded five goals on 32 shots in Tuesday's 5-3 loss in New York.
Armia exited Tuesday's game versus the Rangers with a lower-body injury and won't return, Renaud Lavoie of TVA Sports reports.