Both Democratic campaigns are making a pre-primary push in Oklahoma before the polls open Tuesday morning.
Over the weekend, democratic candidates campaigned for a second time this month in Oklahoma - Bill Clinton stumping for his wife Hillary Clinton in Edmond and Bernie Sanders in downtown Oklahoma City.
Former Texas state Sen. Wendy Davis campaigned for Clinton on Monday in Tulsa. She spoke about Clinton's commitment to women's health and defending Planned Parenthood.
Bernie Sanders' backers worked to beat the FEC deadline Monday night to raise $40 million in contributions for the month of February.
Tuesday, Clinton and Sanders will fight for the state's 42 delegates. And for the first time in years, independent voters are able to cast their ballot for a Democrat.
A watch party for Sanders is set for 7 p.m. at Empire Slice in Oklahoma City. Another party will take place at the IDL Ballroom in Tulsa.
Clinton's camp scheduled a "victory party" for 7:30 p.m. Tuesday at the Oklahoma City office near 28th and Santa Fe.