Humid and warm Sunday ahead of potentially dangerous heat next week
A humid and warm Sunday is on tap before Monday, which is the pick of the week, before dangerous heat and humidity settle in for the Fourth of July holiday.
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WHAT TO KNOW
Today's weather will feel noticeably muggy despite temperatures remaining close to seasonal levels. While an isolated afternoon shower is possible, most of Long Island will stay dry with no threat for widespread or prolonged rainfall.
Humidity remains with us into the new week, although Monday will offer the most comfortable conditions with sunshine, seasonable temperatures and slightly lower humidity. Tuesday becomes a touch warmer and more humid before a significant pattern change arrives.
Forecast confidence continues to increase that dangerous heat will overspread Long Island beginning Wednesday and continue into the Fourth of July holiday weekend. Afternoon temperatures could challenge or even break daily records, while heat index values may climb into the low to mid-100s Thursday and Friday.
The heat and humidity may also fuel scattered afternoon and evening thunderstorms Friday and again on Independence Day. While not everyone will see rain, any storm that develops could produce heavy downpours, gusty winds and dangerous lightning.
Residents should prepare now for prolonged heat by staying hydrated, limiting strenuous outdoor activities during peak heating, checking on vulnerable neighbors and ensuring access to air conditioning whenever possible.
