Iowa pollster Ann Selzer has Harris ahead of Trump by 3 points

Selzer is considered the dean of Iowa pollsters. Her organization does not conduct polls in other states. She has an impressive track record in Iowa polling, accurately predicting the results of primaries and general elections. She had Trump ahead of Harris by 4 points in September, and ahead of Biden by 18 points in July. As typical, the poll's margin of error is 4 points, so Harris could be ahead of Trump by 7 points, or trailing him by 1 point. But with the same methodology from the same pollster, the movement has clearly been in Harris' direction. RFK Jr. is down to 3% from a high of 9%.

These results should be concerning for Trump as results in Iowa tend to correspond to those in other midwestern states.

https://www.thedailybeast.com/shock-poll-has-harris-beating-trump-in-deep-red-iowa/