Voters head to the polls tomorrow to nominate candidates in their party for the November general election. Local contested races include a three way GOP primary for Washington County Supervisor in District 3, and two Republicans in District 5. Three Republicans are hoping to run for Iowa Senate in District 45, while two are vying for the nomination in Iowa House District 89. The polls are open from 7:00 am until 9:00 pm. Stay tuned to KCII for more election coverage.