McElvain scrambled to his right then back across the field before finding Weston in the left end of the end zone with 14:14 remaining.
Austin Evans and Bryce Flater picked off passes later in the quarter to thwart the Bengals (1-2). Omar Brown also had an interception for the FCS No. 8 Panthers (2-1) and Elerson Smith collected three sacks including one on Idaho State's final possession.
Kevin Ryan kicked two field goals for the Bengals before Matthew Cook hit one for the Panthers to cut Idaho State's lead to 6-3 at halftime. Cook added a 20-yarder with 2:11 remaining in the game. He is perfect on eight attempts this season.
Sam Ehlinger pass complete to Collin Johnson for 21 yds for a TD (Cameron Dicker KICK)
S. Ehlinger pass,to C. Johnson for 21 yds for a TD, (C. Dicker KICK)
Sam Ehlinger pass complete to Devin Duvernay for 32 yds to the KanSt 36 for a 1ST down
S. Ehlinger pass,to D. Duvernay for 32 yds for a 1ST down
Joey Yellen pass complete to Kyle Williams for 5 yds for a TD (Christian Zendejas KICK)
J. Yellen pass,to K. Williams for 5 yds for a TD, (C. Zendejas KICK)
Morgan, defense lead Minnesota to upset victory over Penn State
Tanner Morgan tosses 3 touchdown passes while Minnesota's defense comes up with three interceptions as Minnesota hangs on to beat Penn State, 31-26.
Fields, No. 3 Ohio State overwhelm Maryland 73-14
Justin Fields threw for three touchdowns and ran for another in the first half Saturday, and No. 3 Ohio State hardly missed suspended defensive star Chase Young in a 73-14 romp over Maryland.
LSU strikes first on Burrow's TD to Chase
Joe Burrow lofts the ball up and Ja'Marr Chase comes down with it for the 33-yard touchdown grab for LSU.