A wet and at times stormy start to the week on Long Island will segue into dry, mild conditions by the end of it, according to the National Weather Service.
Sunday will start off dry, with high temperatures in the 80s, said Joey Picca, meteorologist with the service's Upton bureau. But by Sunday afternoon, expect some scattered thunderstorms to move across the Island, Picca said.
Lows on Sunday will be in the 70s, with the chances of thunderstorms continuing overnight.
Monday's highs will be in the low 80s for most of the Island. Showers and thunderstorms will be expected on and off throughout the day, with some periods of heavy rain, Picca said.
The chances of precipitation increase Monday night, with thunderstorms and heavy rain expected into the overnight hours, Picca said. Lows on Monday will be in the low 70s.
Tuesday again will see precipitation, with showers and a few thunderstorms expected, Picca said. Highs on Tuesday will be in the low to mid-80s, with lows in the mid- to upper 60s.
Flash floods could be triggered by all the rainfall, although it was too early to tell Sunday what the flooding situation could look like for the week, Picca said.
The chance of showers diminishes on Wednesday, with highs only reaching into the mid- to upper 70s.
Wednesday night shakes off the chance for showers, with lows in the mid-60s, he said.
Thursday is expected to be dry, with highs in the upper 70s to low 80s. Lows on Thursday will be in the mid 60s.
Friday again will be dry, with high temperatures in the upper 70s to low 70s.