Portland State vs. Idaho State prediction: Why Idaho State is favored to win in college football Week 8 [2026]

Using powerful machine learning and data, we have re-simulated the result of Portland State vs. Idaho State, forming part of our college football predictions coverage.

Our independent predictive model gives Idaho State an 81.7% chance of defeating Portland State. Our predicted final score has Idaho State winning 37-23. According to our model, the bookies have got it right, and Portland State and Idaho State each have a 50% chance of covering the spread, while the 62.5-point over/under has a 53.0% chance of staying under.

Latest betting odds

We have researched the best college football odds in America for this game, which are listed here:

• Spread: Portland State +14 (-106) / Idaho State -14 (-118)
• Moneyline: Portland State +400, Idaho State -456
• Total: Over/Under 62.5 (-102/-106)

All odds are correct at the time of publication and are subject to change.

Model picks and best bet

After matching our predictions against the best available odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:

• Spread: Portland State +14 @ -106 via DraftKings
• Moneyline: Idaho State @ 82¢ via Novig
• Total: Under 62.5 @ 51¢ via Novig

According to our college football best bets, the top play to make on this game is Under 62.5 total points.

These picks are based on our probabilities matched against the implied probabilities from the current available odds.

Game info & kickoff details

Saturday's college football action between Idaho State and Portland State at ICCU Dome is scheduled to start at 6:00 PM ET.

• Who: Portland State vs. Idaho State
• Date: Saturday, October 24, 2026
• Time: 6:00 PM ET/3:00 PM PT
• Venue: ICCU Dome

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Conclusion

We predict Idaho State, with an 81.7% win probability, will likely beat Portland State in Saturday's college football matchup.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.

This article's predictions and probabilities are generated by Dimers' proprietary College Football prediction model. Our editorial team reviews the resulting content for accuracy and presentation before publication.