Kamala Harris's chances of re-election may be jeopardized by a crucial battleground state, according to Nate Silver.

Nate Silver, a polling and data expert, predicted on Thursday that Vice President Kamala Harris may face a slight disadvantage in Pennsylvania, a state with 19 electoral votes that could decisively impact the outcome of the presidential election.

A renowned elections analyst and statistician, Silver, wrote on Substack that although Harris is currently leading by 3.8 points in his national poll tracker and is predicted to win the popular vote, his intricate election forecast model suggests that there is a 52.4% chance that former President Trump will win the White House, while Harris has a 47.3% chance of achieving an electoral victory.

Despite gaining in national polling average, Kamala Harris had one of her worst days in some time in our forecast on Thursday.

Another long-term concern for Harris is that it has been some time since she has been ahead of her opponents in Pennsylvania, which is a crucial state in our model.

Pennsylvania remains a crucial battleground state in the presidential race, with the latest Emerson College poll showing Trump and Harris tied at 48% each. Both campaigns have invested heavily in the state, spending large sums on advertising and outreach efforts.

"Silver explained that the model places a significant emphasis on the recent data due to the numerous changes in the race. This is evident because the model considers the model's current position in Pennsylvania, which is tied, to be a problem for her, indicating that she is a slight underdog in November."

Silver stated that his model predicts a 17% chance that Harris will win the popular vote but not the Electoral College, which is a significant concern for her campaign.

The model predicts that even if she wins the popular vote nationally by 1-2 points, she would still be a 70/30 underdog in the Electoral College.

Silver acknowledged that Harris' late entry into the race could affect his forecast results.

He acknowledged that there is evidence to support this, but given her late entry into the race, we may be in unusual circumstances. If you want to consider this situation as less clear-cut than usual, he is fine with that.

Silver stated that Harris has a slight edge in winning the presidential election if it were held now, but warned the public not to rely heavily on polls, as they have a history of being incorrect when predicting the outcome for former President Trump.

"Silver stated that if the election was tomorrow, he believed Harris would have a slight edge in the polls. He pointed out that in recent polling, Harris had been leading in several key swing states, including Pennsylvania, Wisconsin, Michigan, Georgia, North Carolina, Arizona, and Nevada, all of which were within the margin of error range."

"He emphasized the importance of remembering two things: firstly, there are three more months left, and secondly, the polls have been incorrect before, particularly in the last two general elections where they underestimated Trump."