Southern Illinois vs. Illinois State Dunkel Predictions & Vegas Odds - Dec. 18

The Southern Illinois Salukis (6-5, 0-0 MVC) host the Illinois State Redbirds (8-3, 0-0 MVC) at Banterra Center, tipping off at 9 p.m. ET on Thursday, December 18, 2025. The Redbirds are 1.5-point underdogs in the game. The matchup has an over/under of 153.5.

Southern Illinois enters this contest after a 93-84 loss to Richmond in overtime on Saturday. In the loss, Rolyns Aligbe paced Southern Illinois with 19 points. Illinois State's most recent contest was an 83-78 loss to Utah State on Saturday. Ty Pence totaled 21 points, four rebounds and one assist for Illinois State.

Southern Illinois vs. Illinois State Odds and Game Time

• When: Thursday, December 18, 2025 at 9 p.m. ET
• Where: Banterra Center in Carbondale, Illinois
• Spread favorite: Southern Illinois -1.5
• Moneyline favorite: Southern Illinois -125
• Moneyline underdog: Illinois State +105
• Over/Under: 153.5 points

How to watch Southern Illinois vs. Illinois State

• TV Channel: Gray
• Check out the rest of our Dunkel Index NCAA Basketball Picks!

Betting the Over/Under: Southern Illinois vs. Illinois State

• Southern Illinois and its opponents have combined to outscore Thursday's over/under (153.5 points) six times this season.
• In Illinois State's 10 games this season, four finished with more combined points than Thursday's over/under of 153.5.
• The point total for the game of 153.5 is 8.3 points fewer than the combined points per game averages for the Salukis (80.6 points per game) and the Redbirds (81.2 points per game).
• These two teams surrender a combined 141 points per game, 12.5 less than this contest's over/under.
• Southern Illinois has a 154.1 average over/under in its games this season, 0.6 more points than the over/under in this contest.
• Illinois State's games have an average over/under of 148.6 points this season, 4.9 points lower than the over/under for this game.

Betting the Spread: Southern Illinois vs. Illinois State

• Southern Illinois has played 10 games, with five wins against the spread.
• So far this season, the Salukis have been installed as favorites by a 1.5-point margin or more four times and are 3-1 ATS in those games.
• Against the spread, Illinois State is 6-4-0 this year.
• The Redbirds have been underdogs by 1.5 points or more three times this year and covered the spread once.
• Southern Illinois has covered the spread twice at home, and is 3-0 overall there, this year.
• At home, Southern Illinois has two wins ATS (2-1) as a 1.5-point favorite or more.
• On the road, Illinois State is winless ATS (0-1) as 1.5-point underdogs or more.

Betting the Moneyline: Southern Illinois vs. Illinois State

• Southern Illinois has been listed as the moneyline favorite four times this season and has won all of those games.
• The Salukis are undefeated in four games this season when favored by -125 or more on the moneyline.
• The implied probability of a win from Southern Illinois, based on the moneyline, is 55.6%.
• Illinois State has been posted as the moneyline underdog three times this season but has yet walk away from any of those games with an upset.
• The Redbirds have been listed as an underdog of +105 or more on two occasions this season and lost both games.
• The moneyline set for this matchup implies Illinois State has a 48.8% chance of walking away with the win.

Dunkel Index Prediction for Southern Illinois vs. Illinois State

• Pick ATS: Illinois State (+ 1.5)
• Pick OU: Over (153.5)
  
• Prediction: Illinois State 79 - Southern Illinois 75