 Your WDEL Weather Center forecast. Now 651. An excessive heat warning remains in place today and again tomorrow. For today, 97 degrees. Sunny skies to start. Then a 30% chance of some rain. For tonight, 40% chance of heavy rain. Low 77. Growing chances of precip tomorrow. We hit 95. And that brings an end to this latest heat wave because Thursday's 85 degrees. 30% chance of thunderstorms. Friday looks good. Sunny, 86.