High pressure offshore will usher in warmer and more humid air over Delmarva on Sunday, with highs climbing into the 80s to near 90 and muggy nights returning. While most areas should remain dry through Sunday, an isolated thunderstorm cannot be ruled out. By Monday and into the rest of the week, tropical moisture and unstable conditions will bring daily chances for showers and thunderstorms, some capable of heavy rainfall and localized flooding.
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Pleasant weather will continue Saturday night across Delmarva, with partly cloudy skies and lows in the 60s. As high pressure shifts offshore, temperatures and humidity will climb Sunday into Monday. By early next week, a tropical and unsettled pattern will bring daily chances of showers and thunderstorms, heavy rainfall, and heat indices over 100 degrees.
High pressure will maintain calm and seasonable weather across Delmarva through the holiday weekend. Temperatures will climb into the upper 80s and low 90s by Sunday, with humidity gradually increasing. By early next week, a tropical, unsettled pattern is expected to develop, bringing daily chances for showers and thunderstorms along with oppressive heat and potential localized flooding.