A stretch of dangerously hot weather is expected this week, as a ridge of high pressure over the western Atlantic pushes inland, fueling a heat wave across the region.
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A strong high-pressure system building over the Mid-Atlantic will bring dangerously hot and humid conditions to Delmarva starting Monday. Heat index values are forecast to soar between 100 to 110 degrees through Tuesday, with only slight relief expected by midweek. Heat Advisories remain in effect, with an Extreme Heat Watch issued for parts of southern Delmarva. Rain chances and cooler temperatures return by late week.
Delmarva’s first official weekend of summer sets the stage for a dangerous heat wave expected to peak Monday and Tuesday. With inland highs approaching 100°F and heat indices reaching up to 110°F, residents are urged to take precautions. A Heat Advisory is in effect for parts of Delaware and Maryland. Though some relief may arrive later in the week, sweltering conditions will dominate much of the region through at least midweek.
Summer is starting with a sizzle across Delmarva as a multi-day heat wave builds in. Sunday kicks things off with sunshine, climbing temperatures, and rising humidity — a preview of the dangerous conditions expected Monday and Tuesday. A Heat Advisory is in effect for parts of Delaware and Maryland, where heat index values could soar between 105 and 110 degrees. Relief may not arrive until late in the week as high pressure weakens and storm chances increase.
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.
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.
Sussex County will enjoy a mostly sunny and seasonably warm start Saturday, but heat and humidity will ramp up overnight into Sunday, marking the beginning of a dangerous heat wave.
Sussex County will enjoy a brief reprieve from the heat Friday night into Saturday, but steamy conditions and dangerous heat index values are expected to return by Sunday and continue into early next week.
Cooler, drier air arrives early Friday in Sussex County before temperatures and humidity climb again Saturday, with a risk of isolated severe storms.
Strong storms and a cold front Thursday evening will offer a brief break from the heat, but Sussex County will see rising temperatures and humidity again through the weekend into next week.