Storm vs. Aces prediction favors Las Vegas to win Sunday's WNBA game [9/20/2026]

Using powerful machine learning and data analysis, we have re-simulated the result of Sunday's WNBA matchup between the Storm and Aces, forming part of our WNBA predictions coverage.

Our famous predictive model gives the Aces an 89.1% chance of beating the Storm. According to our model, the Storm (+15.5) have a 60.3% chance of covering the spread, while the over/under total of 176.5 points has an equal 50-50 chance of hitting.

Latest betting odds

We have sourced the best WNBA odds in America for this game, which are listed here:

• Spread: Storm +15.5 (+105) / Aces -15.5 (-126)
• Moneyline: Storm +1150, Aces -1236
• Total: Over/Under 176.5 (-107/+104)

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: Storm +15.5 @ 49¢ via Kalshi
• Moneyline: Storm @ 8¢ via Polymarket
• Total: Under 176.5 @ 49¢ via Polymarket

According to our WNBA best bets, the top play to make on this game is Storm +15.5 at the spread.

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

Top player props

WNBA prop bets are a popular way to wager on the Storm vs. Aces game without necessarily betting on the outcome. We use the best information available to project how each team's leading players will perform at Michelob ULTRA Arena.

Dominique Malonga is expected to lead the Storm with 15 points, 9 rebounds and 2 assists, while A'ja Wilson is projected to have 25 points, 9 rebounds and 3 assists for the Aces.

Shifting focus to the first basket market, our projections highlight A'ja Wilson as the most likely player to open the scoring.

Check out our WNBA player projections for a full range of projected box scores, including points, assists, rebounds and a deeper look at today's WNBA first basket picks.

Storm player props

Our model's projected player stats for the Storm are:

Player	PTS	REB	AST	3PM	DFS
D. Malonga	15	9	2	1	36
N. Hiedeman	12	3	5	2	27
F. Johnson	12	4	3	2	27
Jade Melbourne	9	3	4	1	21
Awa Fam	8	5	2	1	21

Aces player props

Projected points, rebounds, assists and three-pointers made for the Aces:

Player	PTS	REB	AST	3PM	DFS
A'ja Wilson	25	9	3	1	49
Jackie Young	19	4	6	3	38
Chelsea Gray	11	3	6	2	28
Cheyenne Parker	8	6	1	1	19
Jewell Loyd	7	2	2	1	16

Game info & tip-off details

Sunday's action between the Aces and Storm at Michelob ULTRA Arena is scheduled to start at 9:00 PM ET.

• Who: Seattle Storm vs. Las Vegas Aces
• Date: Sunday, September 20, 2026
• Time: 9:00 PM ET/6:00PM PT
• Venue: Michelob ULTRA Arena

Conclusion

We predict the Aces, with an 89.1% win probability, will likely beat the Storm in Sunday's WNBA 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 WNBA prediction model. Our editorial team reviews the resulting content for accuracy and presentation before publication.