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Strong to severe thunderstorms with heavy rain to continue across the central and southern Plains

Periods of strong to severe thunderstorms will continue across a wide area of the central to southern Plains through Friday. Locally heavy rain can be expected over saturated ground, with areas of flooding and flash flooding. A few of the storms will also produce hail and strong gusty winds, with an isolated tornado or two possible.
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update

*** Not a current observation ***

Extended Forecast for

Port Jefferson NY

  • Today

    Sunny

    Sunny

    High: 74 °F

  • Tonight

    Partly Cloudy

    Partly
    Cloudy

    Low: 64 °F

  • Saturday

    Mostly Sunny

    Mostly
    Sunny

    High: 78 °F

  • Saturday
    Night

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    Low: 63 °F

  • Sunday

    Showers Likely Chance for Measurable Precipitation 70%

    Showers
    Likely

    High: 70 °F

  • Sunday
    Night

    Showers Likely Chance for Measurable Precipitation 70%

    Showers
    Likely

    Low: 54 °F

  • Monday

    Showers Likely Chance for Measurable Precipitation 60%

    Showers
    Likely

    High: 63 °F

  • Monday
    Night

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    Low: 53 °F

  • Tuesday

    Mostly Cloudy

    Mostly
    Cloudy

    High: 64 °F

Detailed Forecast

Today
Sunny, with a high near 74. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Tonight
Partly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 78. South wind 7 to 17 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 63. South wind 11 to 15 mph. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely. Cloudy, with a low around 54. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers likely, mainly before noon. Cloudy, with a high near 63. Chance of precipitation is 60%.
Monday Night
A chance of showers. Cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 75.
  Click Map For Forecast
Point Forecast:
Port Jefferson NY
 40.95°N 73.05°W
8:56 pm EDT May 28, 2015
9am EDT May 29, 2015-6pm EDT Jun 4, 2015
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database