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Wintery Weather Stretching from the West Coast to the Great Lakes

Lake Effect Snow Warnings are in effect for the Great Lakes with 2 to 3 feet storm total snow possible. Arctic Air extends across much of the U.S. with breezy winds and temperatures 15-35 degrees below normal in the Northern Plains. Out west, heavy mountain snow and some low elevation snow and freezing rain forecast as a warmer weather system interacts with the Arctic airmass. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

42°F

6°C

Humidity 82%
Wind Speed W 5 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Dec 6:56 pm EST
Extended Forecast for

Islip NYSimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Northwest wind around 6 mph becoming calm  in the evening.

    Mostly Cloudy

    Low: 35 °F

  • Thursday

    Thursday: Mostly cloudy, with a high near 45. West wind 5 to 15 mph.

    Mostly Cloudy

    High: 45 °F

  • Thursday
    Night

    Thursday Night: A chance of flurries, mainly after 5am.  Partly cloudy, with a low around 28. Wind chill values between 20 and 25. West wind 13 to 16 mph.

    Chance
    Flurries

    Low: 28 °F

  • Friday

    Friday: A 20 percent chance of snow showers.  Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Breezy, with a northwest wind 13 to 20 mph.

    Slight Chance
    Snow Showers
    and Breezy

    High: 38 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 24. Northwest wind 11 to 14 mph.

    Mostly Clear

    Low: 24 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 35.

    Mostly Sunny

    High: 35 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 25.

    Partly Cloudy

    Low: 25 °F

  • Sunday

    Sunday: A chance of snow showers after noon, mixing with rain after 5pm.  Mostly cloudy, with a high near 40. Chance of precipitation is 30%.

    Partly Sunny
    then Chance
    Rain/Snow

    High: 40 °F

  • Sunday
    Night

    Sunday Night: A chance of rain and snow before 7pm, then a chance of rain.  Cloudy, with a low around 35. Chance of precipitation is 50%.

    Chance
    Rain/Snow
    then Chance
    Rain

    Low: 35 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 45. West wind 5 to 15 mph.
Thursday Night
A chance of flurries, mainly after 5am. Partly cloudy, with a low around 28. Wind chill values between 20 and 25. West wind 13 to 16 mph.
Friday
A 20 percent chance of snow showers. Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Breezy, with a northwest wind 13 to 20 mph.
Friday Night
Mostly clear, with a low around 24. Northwest wind 11 to 14 mph.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A chance of snow showers after noon, mixing with rain after 5pm. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow before 7pm, then a chance of rain. Cloudy, with a low around 35. Chance of precipitation is 50%.
Monday
Rain likely, mainly before noon. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 39.
Click Map For Forecast
Point Forecast:
Islip NYSimilar City Names
 40.73°N 73.22°W (Elev. 7 ft)
6:54 pm EST Dec 7, 2016
7pm EST Dec 7, 2016-6pm EST Dec 14, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database