HEAT ALERT: Dangerous heat builds through the end of the week, followed by increasing thunderstorm chances
Near-record heat peaks Thursday and Friday with heat index values over 100 degrees. Isolated afternoon and evening thunderstorms are possible each day, with a better chance for more widespread storms heading into the holiday weekend.
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Extreme heat warning: In effect until 9 p.m. Friday for the Hudson Valley. Dangerous heat with afternoon heat index values between 100 and 110 degrees. Little overnight relief is expected.
Air quality alert: For Rockland and Westchester counties from 11 a.m. to 11 p.m. today due to high levels of ground-level ozone.
What to expect:
Dangerous heat intensifies Thursday and Friday, with little overnight relief.
Heat index values could reach 100 to 115 degrees, creating dangerous conditions for anyone without adequate cooling or hydration.
A few afternoon and evening thunderstorms are possible each day through Saturday, with isolated strong-to-severe storms possible.
Thunderstorm coverage increases for the Independence Day weekend before temperatures ease early next week.
Tonight: Partly cloudy and warm with a slight chance of an evening shower or thunderstorm. Lows in the low to mid-70s.
Thursday: Sunny, dangerously hot and humid. Highs around 100 degrees with heat index values between 105 and 115.
Thursday Night: Clear and very warm. Lows in the mid- to upper 70s.
Friday: Mostly sunny and dangerously hot. Highs near 100 degrees with heat index values again above 100.
Independence Day: Partly to mostly sunny with scattered afternoon and evening showers and thunderstorms developing. Highs in the low to mid-90s.
Saturday: Partly sunny with scattered showers and thunderstorms possible. Highs in the upper 80s.
Sunday: Partly sunny with scattered afternoon showers and thunderstorms. Highs in the upper 80s.
