Delmarva faces another bout of extreme summer heat with heat indices topping 100 degrees Friday. A cold front offers slight relief overnight, but unsettled weather and humidity will linger through the weekend.
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A dangerous, multi-day heat wave begins Sunday across the Delmarva Peninsula, with highs climbing into the upper 90s and heat index values reaching up to 110°F. The heat is expected to peak Monday and Tuesday, with potential to tie or break longstanding temperature records. Overnight relief will be minimal, and prolonged exposure could lead to serious health risks. While some moderation is expected later in the week, extreme heat remains a top concern through at least midweek.