According to [Nate] Silver's forecast, Kamala Harris now has a 50 percent chance of winning the Electoral College to Donald Trump's 49.6 percent. Harris is projected to win 271 votes while Trump is expected to win 267, per the forecast.
...
538 currently shows Trump with a 50% chance to Harris' 49%.
Expect plenty of shenanigans if it appears Trump is coming up short!