FiveThirtyEight’s Senate Forecast 58% R take the Senate, 42% Dems keep it.

FiveThirtyEight’s Senate Forecast | FiveThirtyEight
FiveThirtyEight’s election forecasting model combines hundreds of opinion polls with historical and demographic information to calculate odds for each Senate race. We estimate the probability that each party will win control of the Senate by running those odds through 100,000 simulations. The forecast is updated regularly. ...

Not quite meaningless but interesting none the less. There are enough close races to make this hard to call.