 Customers served by Wilmington Water may notice an earthy taste and odor in drinking water from the tap. It's due to algae growth in the system's water source brought on by recent weather conditions. Wilmington Water says the city's treatment plant removes the algae and the water is safe to drink. Your forecast from the WDEL Weather Center. Partly sunny today. A slight chance of showers and thunderstorms afternoon. High 93. Heat index 102. Cloudy tonight with a slight chance of showers and thunderstorms.