🌤️ Delmarva Weather Update — Wednesday, June 10, 2026
Heads up: Heat Advisory issued for New Castle County, in effect tomorrow 11:00 AM through Friday 8:00 PM EDT.
Today's Weather Story: A warm, increasingly humid southwest flow sets the table for scattered showers and thunderstorms developing this afternoon into the early evening. Highs settle into the mid 80s inland while a stiffer onshore breeze keeps the immediate coast noticeably cooler. An upper-level disturbance riding along a nearby warm front is the trigger, and WPC flags an excessive rainfall and flooding concern for any cell that lingers.
Across Delmarva:
- Wilmington, DE: Showers, then storms possible. High 86°F. SW 5–10 mph.
- Dover, DE: Showers, then storms possible. High 86°F. SW 10–15 mph.
- Georgetown, DE: Showers, then storms possible. High 85°F. SW 10–15 mph.
- Lewes, DE: Showers, then storms possible. High 85°F. SW 10–15 mph.
- Cambridge, MD: Showers and thunderstorms possible. High 85°F. SW 10–15 mph.
- Salisbury, MD: Showers, then storms possible. High 86°F. SW 9–15 mph.
- Ocean City, MD: Chance of showers. High 75°F. S 13–16 mph.
- Chincoteague, VA: Showers, then storms possible. High 78°F. S 13–16 mph.
Active Weather Alerts:
- Heat Advisory — New Castle County, in effect Thursday 11:00 AM through Friday 8:00 PM EDT.
Severe Weather Outlook: SPC has placed Delmarva under a Marginal Risk for severe thunderstorms today, covering Wilmington, Dover, Lewes, Salisbury, Ocean City, and Chincoteague. The stronger cells could produce gusty winds and brief downpours, and WPC's excessive rainfall concern means localized flooding is on the table where storms train over the same spot. The setup ramps up Thursday with SPC already signaling a Slight Risk that extends down to Cape Charles.
Why This Setup: A warm front lifting north and an approaching cold front are working with a passing upper-level disturbance to focus moisture and lift over the peninsula. In plain terms: there's enough heat, humidity, and a nudge from aloft to fire afternoon storms.
Looking Ahead: Thursday and Friday turn hot and humid with dangerous heat possible — especially across New Castle County — and an increasing threat of severe storms each afternoon. A cold front sweeps through early Saturday to dry things out and shave a few degrees off the highs.
Bottom Line: Plan around afternoon and evening storms, keep an eye to the sky if you're outdoors, and start prepping now for a hot, stormy stretch Thursday and Friday.
— US Weather Warriors 🌪️ #DelmarvaWeather #DEwx #MDwx #VAwx