LARAMIE, Wyo. (AP) _ Matt Newton passed for 247 yards and two touchdowns to lift Colorado State to a 24-13 victory over Wyoming on Saturday.

Newton's 30-yard scoring pass to Will Layne with 8:08 left put Colorado State (4-3, 1-2 Mountain West) ahead to stay at 17-13.

Aaron Sprague provided insurance by returning an interception 41 yards with 2:05 left. It came one play after a sack of Wyoming's Jay Stoner by Ula Tuitele on third-and-16.

Wyoming (4-3, 1-2) had taken a 13-10 lead with 11:01 remaining on Aaron Elling's career-best 56-yard field goal.

Newton then led the Rams on an 80-yard, six-play drive, completing all five of his passes and finding Layne as he fell in the end zone. Newton, who was 21-of-32, connected with Dallas Davis on a 49-yard TD strike to tie the game 10-10 at the end of the third quarter.

Wyoming, shut out in the first two quarters, scored on its first three possessions of the second half. Tim Beasley capped an 88-yard drive with an 18-yard sprint down the left sideline and Elling followed with a 44-yard field goal to lift the Cowboys to a 10-3 lead with 2:40 left in the third quarter.

The Rams' C.W. Hurst kicked a 31-yard field goal early in the second quarter for the only first-half score.

Tuitele intercepted Stoner's pass to halt one of Wyoming's first-half drives and two others ended when Elling missed field goal attempts of 36 and 39 yards.

Hurst was wide from 22 yards after Wyoming's Cortney Barnes held McDougal to 1 yard on third-and-2 at the Cowboys 5 on the Rams' opening drive.

Stoner was 22-of-32 for 257 yards with two interceptions in his first start since sitting out two games with a separated sternum.

Wendell Montgomery's 15-yard catch in the first quarter marked his 37th consecutive game with at least one reception, breaking a Wyoming school record he had shared with Ryan Yarborough.

Colorado State's Clark Haggans racked up his seventh sack of the season, extending his school record to 33.

The Rams snapped a two-game skid in the 100th anniversary season of the first game between the schools.