A warm front will bring scattered showers and thunderstorms to Delmarva today, with the greatest rain chances across the northern peninsula. Localized heavy rainfall could cause flash flooding. Hotter and increasingly humid conditions will then settle across the region through the weekend, when heat index values may reach or exceed 100 degrees.
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Wildfire smoke and dangerous heat will affect Delmarva today before a more widespread threat of severe storms and flash flooding develops Saturday.
The dangerous heat continues today, with smoky conditions continuing into the start of the weekend.
Temperatures near 100 degrees and heat index values as high as 109 will make Wednesday dangerously hot before Canadian wildfire smoke spreads across Delmarva.
Sussex County will face its hottest weather of the week Wednesday before a weak front brings slightly lower humidity by Thursday morning.
Dangerous heat and humidity will grip Sussex County on Wednesday, with temperatures climbing into the upper 90s and heat index values reaching 100 to 105 degrees.
A sunny and increasingly hot Tuesday will lead into dangerous heat Wednesday, followed by a potentially stormy weekend across Delmarva.
A Severe Thunderstorm Watch is in effect until 1:00 AM Monday. Conditions are favorable for damaging winds and heavy rain.
Extreme heat will continue across Sussex County and southern Delmarva Saturday, with storms possible by afternoon and evening.
Near-record heat and dangerous humidity will dominate Delmarva today and through the Fourth of July weekend, with storm chances gradually increasing.