🥵 Delmarva Weather Update — Friday, July 3, 2026
Extreme Heat Warnings cover most of Delmarva through 8 PM Saturday; Heat Advisory for Maryland Beaches through 8 PM Saturday; Air Quality Alerts for Cecil, Kent, Queen Anne's, Talbot, and Caroline through midnight tonight.
Today's Weather Story: A dangerous heat dome remains locked over Delmarva, with triple-digit highs inland and only modest relief at the immediate coast thanks to a light onshore breeze. Sunshine dominates through the afternoon, but a stalled boundary drifting toward the region opens the door to isolated afternoon and evening thunderstorms, particularly across northern Delaware. Any storm that fires up could pack strong wind gusts, frequent lightning, and torrential rain.
Across Delmarva:
- Wilmington, DE: Sunny then isolated showers and thunderstorms, high 103°F, NW 0–10 mph
- Dover, DE: Sunny, high 103°F, NW 5–10 mph
- Georgetown, DE: Sunny, high 103°F, NW 5–10 mph
- Lewes, DE: Sunny, high 100°F, NW 5–10 mph
- Cambridge, MD: Sunny, high 101°F, W 2–8 mph
- Salisbury, MD: Sunny, high 102°F, W 2–9 mph
- Ocean City, MD: Sunny, high 90°F, S 3–10 mph
- Chincoteague, VA: Sunny, high 93°F, SW 5–10 mph
Active Weather Alerts:
- Extreme Heat Warning — New Castle, Kent (DE & MD), Inland Sussex, Delaware Beaches, Queen Anne's, Talbot, Dorchester, Wicomico, Somerset, Inland Worcester, Accomack, Northampton — until 8 PM Saturday
- Extreme Heat Warning — Cecil — until 9 PM tonight, reissued 10 AM–9 PM Saturday
- Heat Advisory — Maryland Beaches and Eastern Currituck — until 8 PM Saturday
- Air Quality Alert — Cecil, Talbot, Caroline, Kent, Queen Anne's — until midnight tonight
Severe Weather Outlook: SPC has Wilmington under a Slight Risk today, with the Slight Risk expanding Saturday to include Dover, Lewes, Salisbury, and Ocean City. Any storms that develop could produce damaging wind gusts and heavy downpours, and WPC signals excessive rainfall and flooding concern tied to that stalled boundary — a real localized flash flood threat if storms train over the same neighborhoods.
Why This Setup: A sprawling upper ridge is pumping in extreme heat while an approaching cold front and stalled boundary supply just enough lift and moisture for afternoon storms — classic "heat dome breakdown" ingredients.
Looking Ahead: Saturday brings a near-repeat: triple-digit heat with a broader severe storm threat. Relief arrives early next week as temperatures trend closer to normal.
Bottom Line: Treat today's heat as life-threatening — hydrate, limit outdoor exertion, check on neighbors and pets, and watch the sky by late afternoon.
— US Weather Warriors 🌪️ #DelmarvaWeather #DEwx #MDwx #VAwx