Iowa State head coach Matt Campbell smiles as he runs warm ups before an NCAA college football game against South Dakota State, Saturday, Sept. 1, 2018, in Ames, Iowa. (AP Photo/Matthew Putney)

Fans are asked to leave the stadium after lightning was spotted during the first half as South Dakota State takes on Iowa State in an NCAA college football game, Saturday, Sept. 1, 2018, in Ames, Iowa. (AP Photo/Matthew Putney)

Iowa State wide receiver Deshaunte Jones, left, breaks away from South Dakota State cornerback Jordan Brown, right, to score a touchdown during the first half of an NCAA college football game, Saturday, Sept. 1, 2018, in Ames, Iowa. (AP Photo/Matthew Putney)