Severe Storms Continue Over the Central Mississippi Valley

Severe thunderstorms with damaging winds, large hail and isolated tornadoes will continue over the central and lower Mississippi Valley. Heavy rain with localized flash flooding remains possible over the central Appalachians and lower Mississippi Valley. Heavy snow and cold temperatures continue from the central Plains to the northern Rockies.
Read More...

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

47°F

8°C

Humidity 66%
Wind Speed S 5 mph
Barometer 30.25 in (1024.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 30 Apr 10:56 pm EDT
Extended Forecast for

Sayville NY

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Southeast wind 6 to 8 mph.

    Increasing
    Clouds

    Low: 42 °F

  • Sunday

    Sunday: Rain, mainly after 10am.  High near 52. East wind 8 to 13 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 52 °F

  • Sunday
    Night

    Sunday Night: Rain likely, with thunderstorms also possible after 3am.  Patchy fog after 9pm.  Otherwise, cloudy, with a low around 47. East wind 9 to 18 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Rain Likely
    and Patchy
    Fog

    Low: 47 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm before noon, then a chance of showers.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 60. Northeast wind around 9 mph becoming northwest in the afternoon.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Patchy Fog

    High: 60 °F

  • Monday
    Night

    Monday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 48. Northwest wind 6 to 9 mph.  Chance of precipitation is 30%.

    Mostly Cloudy
    then Chance
    Showers

    Low: 48 °F

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 59. Chance of precipitation is 40%.

    Chance
    Showers

    High: 59 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Mostly Cloudy

    Low: 49 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    Partly Sunny

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 50 °F

Detailed Forecast

Tonight
Increasing clouds, with a low around 42. Southeast wind 6 to 8 mph.
Sunday
Rain, mainly after 10am. High near 52. East wind 8 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, with thunderstorms also possible after 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 47. East wind 9 to 18 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 60. Northeast wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 48. Northwest wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Sayville NY
 40.74°N 73.1°W (Elev. 30 ft)
11:21 pm EDT Apr 30, 2016
11pm EDT Apr 30, 2016-6pm EDT May 7, 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database