The DeSart model is captured in the econometric models component of the PollyVote. It currently forecasts a two-party vote share of 78.2% for Clinton and 0.0% for Trump in Utah.
Putting the results in context
In general, however, you should not have too much faith in the results of single econometric models, as they can incorporate large errors. At the very least, one should examine how a econometric model's results compare to benchmark forecasts.
Comparison to other econometric models
When compared to the average results of other econometric models Clinton performed better with 0.0 percentage points, while Trump did worse with 0.0 percentage points.