The early voting period for the Nov. 6 election runs Oct. 22-Nov. 2. Registered voters in Tomball and Magnolia can cast their ballots at any polling location during early voting. Find a full list of early voting locations in Harris County here. Montgomery County early voting locations are available here. Find which candidates are on the ballot by visiting www.harrisvotes.com or www.mctx.org/election for sample ballots.