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Remnant Moisture from Cindy Bringing Heavy Rain and Possible Flooding

Post Tropical Storm Cindy is interacting with a frontal system to produce an area of heavy rain that could cause flooding. The front will move through the Middle-Atlantic states Saturday morning and offshore in the afternoon. However, the southern portions of the front will linger from the Southeast into Texas where rainy weather may persist through the day. Out west, the heat continues. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Heavy Rain Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed Calm
Barometer 29.58 in (1001.7 mb)
Dewpoint 69°F (21°C)
Visibility 1.00 mi
Last update 24 Jun 6:56 am EDT
Extended Forecast for

Port Jefferson NY

Flood Advisory until June 24, 09:15am
Click here for hazard details and duration
...
  •  
    Flood Advisory until June 24, 09:15am

    NOW until
    9:15am Sat

    Flood Advisory

  • Today

    Today: Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain.  Patchy fog before 9am. High near 87. West wind 11 to 14 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    and Patchy
    Fog then
    Heavy Rain

    High: 87 °F

  • Tonight

    Tonight: Mostly clear, with a low around 68. Northwest wind 5 to 8 mph.

    Mostly Clear

    Low: 68 °F

  • Sunday

    Sunday: Sunny, with a high near 83. Southwest wind 5 to 11 mph.

    Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 63. West wind 7 to 10 mph.

    Mostly Clear

    Low: 63 °F

  • Monday

    Monday: Sunny, with a high near 79. Southwest wind 7 to 9 mph.

    Sunny

    High: 79 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 61.

    Partly Cloudy

    Low: 61 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    Mostly Sunny

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Partly Cloudy

    Low: 59 °F

Detailed Forecast

Today
Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain. Patchy fog before 9am. High near 87. West wind 11 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Mostly clear, with a low around 68. Northwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 83. Southwest wind 5 to 11 mph.
Sunday Night
Mostly clear, with a low around 63. West wind 7 to 10 mph.
Monday
Sunny, with a high near 79. Southwest wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
Port Jefferson NY
 40.95°N 73.05°W (Elev. 151 ft)
2:27 am EDT Jun 24, 2017
7am EDT Jun 24, 2017-6pm EDT Jun 30, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database