 Your WDEL Weather Center forecast for today. Excessive heat warning remains in place. We'll start out mostly sunny, but a 60% chance of heavy rain as the day goes on. 95 the high. Tonight, heavy rain looks like a distinct possibility. Low down to 73. Tomorrow, we break the heat wave. 86 degrees. Flight chance of showers to start, then mostly sunny. Friday, 85 sunshine. Saturday, partly sunny. We'll hit 87.