Sources: Forecast rain for Wednesday could alter NLCS, ALCS schedules

The schedule for both the AL and NL Championship Series could be altered because of the forecast of heavy rain in New York on Wednesday, sources told ESPN.

With the possibility that ALCS Game 4 between the Houston Astros and New York Yankees is a washout for Wednesday night, Major League Baseball is considering moving a potential NLCS Game 5 between the Washington Nationals and St. Louis Cardinals to that night, sources said. The NLCS game is currently scheduled to start at 4:08 p.m. ET, but on days there is only one game, MLB prefers to have the game in prime time.

If the rainout occurs, the Yankees and Astros -- who play Game 3 Tuesday in New York with the series tied at 1-1 -- would be…