The game is set to begin at 5 p.m. PDT, in South Williamsport, Penn.
Sweetwater Valley will face the only team it has lost to in 20 games in five tournaments this summer, the all-stars from the Pearland West Little League of Pearland, Texas.
Pearland West, the Southwest Region champion, defeated Sweetwater Valley, 8-4, on Sunday.
The rematch was set up by Pearland West's 3-0 loss Wednesday to the team representing the Red Land Little League of Lewisberry, Pennsylvania in South Williamsport, Pennsylvania.
The victory advanced Red Land to Saturday's U.S. Championship Game.
Sweetwater Valley avoided elimination for a second consecutive day Tuesday with an 11-3 victory over the team representing Kentucky's Bowling Green Eastern Little League, ending much of the suspense by scoring five runs over the first two innings.
Sweetwater Valley, the West Region champion, combined singles by leadoff hitter Antonio Andrade and Dante Schmid, a walk to Jacob Baptista, two Bowling Green errors and a passed ball for three runs in the first.
Levi Mendez hit a two-run homer in the second to increase Sweetwater Valley's lead to 5-0.
Bowling Green Eastern, the Great Lakes Region champion, cut the deficit to 5-2 in the bottom of the fourth.
Carson Kelley doubled to open the inning and Devin Obee walked one out later. Kelly moved to third on Sweetwater Valley's first of three wild pitches of the inning and scored on Chris Myers' two-out single.
Obee scored after two more wild pitches.
Andrade, who was three-for-four and scored four runs, led off the fifth with a homer. Nate Nankil doubled one out later, advanced to third on Walker Lannom's single and scored on a wild pitch.
Kelley hit a solo homer with two outs in Bowling Green Eastern's half of the fifth.
Sweetwater Valley combined two walks, two Bowling Green errors, a wild pitch and Lannom's RBI double, all with two outs, for four runs in the top of the sixth.
Schmid, the Sweetwater Valley starting pitcher, was credited with the victory, allowing three hits and two runs over 3⅔ innings, striking out four and walking two. Nankil pitched the final 2⅓ innings, three hits and one run, striking out three and not walking a batter.
Sweetwater Valley defeated Bowling Green Eastern 14-2, on Friday in a game called in the top of the fourth inning because of the 10-run rule.