A new underwater valve lets Prospect Park staff drain the lake in under 36 hours before storms, saving 800,000 gallons of tap water daily.

Sunny skies will dominate Monday morning in NYC before scattered showers and thunderstorms become possible later in the day. A drier Tuesday and Wednesday lead into a wetter end to the week.

Morning thunderstorms could bring heavy rain, gusty winds and small hail to New York City Sunday. The rest of the week looks cooler and mostly sunny before storms return Thursday and Friday.

Clouds build over NYC Saturday before showers and possible thunderstorms arrive overnight. Sunday could bring fog, storms and a brief burst of strong wind.

NYC’s Tuesday starts rainy and foggy before sunshine breaks through. A stormier stretch may arrive Thursday and linger into the weekend.

A rainy, foggy Monday morning will give way to brighter skies in New York City before unsettled weather returns later this week.

Sunday starts mostly dry in New York City before showers arrive in the afternoon and thunderstorms develop overnight. Heavy downpours could cause localized flooding.

New York City gets a bright, comfortable Saturday before showers and thunderstorms arrive Sunday afternoon and intensify overnight.

A $149.5 million contract will free Tibbetts Brook from a century-old sewer culvert, easing pressure on the Major Deegan.

Clear skies and seasonable warmth will carry New York City through Saturday before thunderstorms and heavier rain arrive Sunday.

Thursday starts with showers and thunderstorms in spots, but brighter skies arrive by afternoon. Friday and Saturday look mostly sunny before a wetter Sunday night.

NYC will jump from a clear start to near-90-degree heat Wednesday, followed by late-night storms and possible coastal flooding near high tide.

NineDot's new Bushwick battery site will store enough power for 5,000 homes and beat Con Edison's costly new fee hikes just in time.