Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy and Breezy

36°F

2°C

Humidity 73%
Wind Speed NW 23 G 38 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 3 Dec 3:56 am EST
Extended Forecast for

Islip Terrace NY

  • Today

    Today: Sunny, with a high near 43. Wind chill values between 25 and 35. North wind 6 to 11 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Wind chill values between 20 and 25. Calm wind becoming west 5 to 7 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 40. Wind chill values between 20 and 30. West wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 40 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16. Wind chill values between 10 and 15. Northwest wind 5 to 15 mph, with gusts as high as 29 mph.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of light snow after 4pm.  Increasing clouds, with a high near 33. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 33 °F

    Mostly Sunny
    then Slight
    Chance Light
    Snow

  • Friday Night

    Friday Night: A 40 percent chance of light snow after 7pm.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Light
    Snow

  • Saturday

    Saturday: A 30 percent chance of light rain before 1pm.  Partly sunny, with a high near 41.

    High: 41 °F

    Chance Light
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 43. Wind chill values between 25 and 35. North wind 6 to 11 mph.
Tonight
Mostly clear, with a low around 29. Wind chill values between 20 and 25. Calm wind becoming west 5 to 7 mph after midnight.
Thursday
Increasing clouds, with a high near 40. Wind chill values between 20 and 30. West wind 8 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 16. Wind chill values between 10 and 15. Northwest wind 5 to 15 mph, with gusts as high as 29 mph.
Friday
A 20 percent chance of light snow after 4pm. Increasing clouds, with a high near 33. Light and variable wind becoming south 5 to 8 mph in the morning.
Friday Night
A 40 percent chance of light snow after 7pm. Mostly cloudy, with a low around 27.
Saturday
A 30 percent chance of light rain before 1pm. Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
Islip Terrace NY
 40.75°N 73.18°W (Elev. 30 ft)
3:11 am EST Dec 3, 2025
4am EST Dec 3, 2025-6pm EST Dec 9, 2025
 
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Additional Resources

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