Heat Alert: Dangerous, extreme heat builds, with oppressive conditions lasting into the holiday weekend
Temperatures surge into the mid- to upper 90s Wednesday through Friday. Heat index values could reach 105 to 110 degrees, while isolated afternoon and evening thunderstorms remain possible through the period.
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Alerts:
Extreme heat warning in effect for the entire Hudson Valley from Wednesday afternoon to Saturday evening in Orange, Putnam, Rockland, and Westchester counties.
Extreme Heat Watch is in effect for Ulster and Dutchess Counties from Wednesday afternoon to Saturday evening.
Air Quality Alert is in effect from 11 a.m. to 11 p.m. on Tuesday for Rockland and Westchester Counties.
What to Expect
Hot weather intensifies Today before becoming dangerous Wednesday through Saturday.
Afternoon temperatures will climb into the upper 90s, with heat index values or what it will feel like is between 105 and 112 degrees possible in the Hudson Valley.
Warm, muggy nights in the 70s will offer little relief, increasing the risk of heat-related illness.
Isolated afternoon and evening thunderstorms are possible Tuesday and Wednesday, with additional scattered storms arriving Friday night and continuing through the holiday weekend.
While storms will be spotty through midweek, any thunderstorm could produce brief heavy downpours and gusty winds.
Forecast
Today: Mostly sunny, hot and increasingly humid. A slight chance of an afternoon or evening thunderstorm. Highs in will be near 90 degrees.
Tonight: Partly cloudy, warm and muggy with a slight chance of a thunderstorm. Lows in the upper 60s.
Wednesday: Mostly sunny and dangerously hot. A slight chance of an afternoon thunderstorm. Highs in the lower to mid-90s.
Thursday: Sunny and dangerously hot. Highs in the upper 90s with heat index values between 105 and 110 degrees.
Friday: Sunny and oppressively hot. Highs in the upper 90s. A chance of thunderstorms develops Friday night.
Saturday (Independence Day): Mostly sunny, very hot and humid with scattered afternoon and evening showers and thunderstorms. Highs in the lower 90s.
Sunday: Mostly sunny, hot and humid with scattered afternoon thunderstorms possible. Highs in the upper 80s to around 90 degrees.
