The National Weather Service has issued an Extreme Heat Warning for Sussex County, Delaware, as potentially record-breaking temperatures near or above 100 degrees threaten the region through early Wednesday.
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Starting Saturday, high pressure will usher in increasingly hot and humid weather across Delmarva. While Saturday remains manageable with highs near 90 and dewpoints in the mid-60s, the real danger sets in by Sunday with heat indices nearing triple digits. You should prepare for heat advisories and take safety precautions through at least Wednesday.
Cooler, drier air arrives early Friday in Sussex County before temperatures and humidity climb again Saturday, with a risk of isolated severe storms.
High pressure will bring warm, dry weather to Delmarva on Sunday for Mother’s Day, with highs nearing the low 80s. Cloud cover increases Monday as a low-pressure system approaches, leading to scattered showers by Monday night and Tuesday. Rain chances linger midweek before a warmer, unsettled pattern returns for the weekend.