Transcript for FiveThirtyEight updates its House predictions

Yeah. The classic version 530 house forecast currently gives Democrats about a four and five or about an 80% chance of winning a majority. And Republicans about a one. According to or model are currently seventeen. Half some districts where neither the democratic nor Republican candidate has more than 60% chance of winning the race. Notably of the seventeen districts. Thirteen are currently held the meaning of course Democrats. Oust some Republican comments. In order to win the house a lot of Republican incumbents who thought they'd had trouble in 2018. Retire 28 overall called. Including several in competitive and blue meetings. One represented it in a democratic leaning district who decided to try his luck is Republican Carlos her ballot in for his 26 district. Located in the State's southern and Florida's twenty cents is pretty solid lead which presents a dilemma for her ballot. Vote in line with his district are with his party. He's mostly gone with the last take a look at our trumps tracker which measures how often a member of congress votes in line with the president's position. Her ballot currently has a trump score and ED to act that's more than 46 percentage points higher than how we expect him to vote based on the partisanship of his district. For comparison some Republicans in similar leads we districts decided not to run for re election. Take GOP representative Ileana Ross sleep in the neighboring 27 district which includes most of the 27 district like the twenty sex is democratic. Ross Layton and as a trump score of seventy person but she announced she would not run for re election. Thus avoiding the conflict between politics. District. And the politics party. Currently our forecast in the democratic candidate in order to happen Donna Shalala. And 85%. Chance of winning it'll be worth keeping a close sign on ballot now along with other top. As we get closer to the mid term. Visit 538 dot com slash house forecast to explore the model. And.

This transcript has been automatically generated and may not be 100% accurate.