Delmarva begins the week with patchy morning fog Monday, followed by sunny skies and highs in the mid to upper 80s. Temperatures climb into the upper 80s and low 90s by Tuesday and Wednesday, with increasing humidity. A cold front is expected late week, bringing only a slight chance for showers or storms before warm, mostly dry conditions return for the weekend.

Delmarva will see dangerous heat and humidity Friday, with heat index values reaching up to 108 degrees and a Heat Advisory in effect. A cold front arriving late Friday will bring a chance of isolated storms, mainly north of Sussex County, before lingering near the region through Saturday and lifting north as a warm front Sunday. The weekend will be unsettled but not a total washout, with additional storm chances Sunday night. High pressure returns Monday before another frontal system arrives midweek.

Delmarva will experience a warm, muggy Thursday night followed by dangerously high heat on Friday, prompting a Heat Advisory. A cold front late Friday will bring a chance of isolated storms, mainly north of Sussex County, before lingering near the region over the weekend. While Saturday and Sunday won’t be complete washouts, scattered showers and thunderstorms are expected, with another front approaching Sunday night. High pressure will bring drier conditions Monday, but more storms are expected by midweek.

A stretch of dangerously hot weather is expected to unfold across Delmarva beginning Monday, driven by a high-pressure system expanding westward from the Atlantic. Heat indices could reach between 100 to 110 degrees through Tuesday, with little relief overnight. The heat will slightly ease later in the week, but scattered storms and increased humidity may follow.