New polls out by Public Policy Polling in Wisconsin have Barack Obama and John McCain leading ahead of Tuesday's Wisconsin's primaries. Here are the numbers on the GOP side:

50% John McCain
39% Mike Huckabee
6% Ron Paul

Senators Barack Obama (D-IL) and John McCain (R-AZ) are ahead of their rivals by double digits in Wisconsin, according to a the latest Public Policy Polling survey.

Obama leads Sen. Hillary Clinton (D-NY) in the state, 53 percent to 40 percent. Seven percent of voters surveyed said they were undecided.

Among Republicans, McCain outpaced former Arkansas Gov. Mike Huckabee 50 percent to 39 percent. Rep. Ron Paul (R-TX) received 6 percent and undecided voters accounted for 5 percent.

The results are based on surveys of 822 likely Democratic primary voters and 654 likely Republican primary voters on February 16 and 17. Margin of error is 3.4 percentage points for Democrats and 3.8 percentage points for Republicans.

Wisconsin's primaries are on Tuesday. The state has 92 Democratic and 40 Republican delegates at stake.