Severe Thunderstorms, Heavy Rainfall, And Flooding Possible Over The Plains; Typhoon Bualoi Approaches The CNMI

A storm system will bring the potential for severe thunderstorms capable of damaging winds, large hail, and isolated tornadoes over the south central U.S. today. Heavy rainfall may also lead to flash flooding. The system will shift toward the eastern U.S. on Tuesday. Over the western Pacific, Typhoon Bualoi will intensify and impact the northern Mariana Islands early this week. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

58°F

14°C

Humidity 75%
Wind Speed NE 16 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Oct 10:56 am EDT
Extended Forecast for

Port Jefferson NY

  • Today

    Today: Mostly sunny, with a high near 64. Northeast wind 9 to 13 mph.

    Mostly Sunny

    High: 64 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 48. Northeast wind around 9 mph.

    Increasing
    Clouds

    Low: 48 °F

  • Tuesday

    Tuesday: A 30 percent chance of light rain, mainly after noon.  Mostly cloudy, with a high near 60. East wind 8 to 10 mph.

    Chance Light
    Rain

    High: 60 °F

  • Tuesday
    Night

    Tuesday Night: Rain.  Steady temperature around 56. East wind 7 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    Low: 56 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. West wind 13 to 16 mph.

    Mostly Sunny

    High: 64 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 46.

    Mostly Clear

    Low: 46 °F

  • Thursday

    Thursday: Sunny, with a high near 64.

    Sunny

    High: 64 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 48.

    Mostly Clear

    Low: 48 °F

  • Friday

    Friday: Partly sunny, with a high near 63.

    Partly Sunny

    High: 63 °F

Detailed Forecast

Today
Mostly sunny, with a high near 64. Northeast wind 9 to 13 mph.
Tonight
Increasing clouds, with a low around 48. Northeast wind around 9 mph.
Tuesday
A 30 percent chance of light rain, mainly after noon. Mostly cloudy, with a high near 60. East wind 8 to 10 mph.
Tuesday Night
Rain. Steady temperature around 56. East wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 64. West wind 13 to 16 mph.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 48.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 57.
Click Map For Forecast
Point Forecast:
Port Jefferson NY
 40.93°N 73.06°W (Elev. 161 ft)
7:05 am EDT Oct 21, 2019
11am EDT Oct 21, 2019-6pm EDT Oct 27, 2019
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database