Don't expect an answer on some of the tight local and state races for a few days still. Statewide, about 374,000 votes remain to be counted -- mostly from Pima and Maricopa counties.

Pima County election officials have upped their estimate of ballots to be counted to more than 47,000. Maricopa County has at least 264,000 uncounted ballots.

Predicting exactly how those remaining ballots might affect the final results is impossible because there is no way, at this point, to determine what precincts and districts the votes are from.

But some of the undecided races that could be affected include both Southern Arizona congressional districts, as well as Legislative District 26. At the state level, at least three initiatives remain too close to call, including the medical-marijuana proposition.

Read more.