Today's baseball game between Maryland and Pitt was scheduled to start at 3:00 PM. Due to persistent rain the game has been delayed. Because of lightning in the area the earliest possible start time is 4;30 PM. The best thing to do is to consult the UMTerps Twitter account. That's continually updated as events dictate.
I took a look at the weather report and it doesn't look promising. My hunch is that there will be a double header tomorrow.