 Your WDEL Weather Center forecast. Now 540. Shaping up like this for today and beyond. Today looks once again hot. That excessive heat warning continues. Sunny to start. 30% chance of heavy rain later. We top out at 97. For tonight, 40% chance of precip. A low down to 77 degrees. Tomorrow, growing chances of rain 95. Tomorrow breaks the heat wave because Thursday, 85 degrees.