Colorado State defensive backs Dexter Wynn, front left, and Ben Stratton stop Air Force quarterback Chance Harridge in the fourth quarter of Colorado State's 31-12 victory.
An unidentified fan uses a blanket to cover her face as she watches the second half. A cold front packing near-zero temperatures combined with a light snow enveloped Colorado's Front Range communities on Thursday night.
Colorado State running back Cecil Sapp, top center, dives over for his second touchdown of the game over Air Force defenders, from front left, Eric Thompson, Anthony Schlegal and Trevor Hightower in the second quarter.
Colorado State running back Cecil Sapp, front, breaks through the line for a touchdown with Air Force defensive end Joel Buelow in pursuit in the first quarter.
Air Force tight end Adam Strecker, right, dives across the end zone for a touchdown as Colorado State linebacker Adam Wade tries to make the stop in the second quarter.
Colorado State quarterback Bradlee Van Pelt is pulled down after a short gain by Air Force linebacker Marchello Graddy in the first quarter.
Colorado State quarterback Bradlee Van Pelt is dragged down by Air Force linebacker Marchello Graddy in the third quarter.
Air Force halfback Matt Ward, back, gets hit by Colorado State defensive back Benny Mastropaolo after a long gain in the first quarter.
Colorado State kicker Jeff Babcock raises the ball in the air as he scores a touchdown after recovering a fumble by an Air Force kick returner in the third quarter.
Air Force halfback Darnell Stephens, right, picks up a fumble in front of teammate Tom Heier as Colorado State defensive back Benny Mastropaolo dives in for the ball in the third quarter.