Our
last Senate Forecast Update was seven days ago, so we are due to update our little chart. I have gone back and looked at all the Senate polls from the past week, including today's wealth of YouGov polls, and updated the chart. Based on all the Senate polls of the last week, the Democrats in the Senate would pick up Massachusetts and Maine (well, Angus King will pick it up, but he is nearly assured of caucusing with the Dems, especially if President Obama wins election and the Dems retain the Senate), while the Republicans looks set to pick up Montana and Nebraska. There are two races that are exactly tied at this moment: North Dakota and Virginia.
If the Dems lose both of the tied races, then the final tally would be Dems 51, GOP 49, a net pickup for the GOP of two seats.