A 20 percent chance of rain is in the forecast Thursday with the most likely chance of showers coming in the morning hours, according to the National Weather Service.
The high temperature Thursday is expected to reach 66 degrees and dip to a low Thursday evening of 43.
On Friday the high will reach 63 degrees under mostly sunny skies. But it's going to be cold -- and potentially wet -- Friday night for Game 6 of the National League Championship Series.
The low Friday is predicted to be 40 degrees and there is a 60 percent chance of rain during the evening hours.
The St. Louis Cardinals play host to the Los Angeles Dodgers in the 7:37 p.m. start at Busch Stadium; if the Cardinals win, they advance to the World Series against Detroit or Boston starting Wednesday in the American League city. If the Dodgers win, Game 7 of the NLCS will be played at 7:37 p.m. Saturday at Busch.