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Wintry, Windy, and Cold in the West and North; Warming in the East

A deepening trough along the west will bring much below normal temperatures, and the potential for snow to sea-level in the Pacific Northwest, and low elevation snows throughout California, including into the Grapevine. Travel will be hazardous across the west due to snow and strong winds. These winds will also increase fire weather threats in the central and southern Plains. Warming in the east. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

43°F

6°C

Humidity 45%
Wind Speed NW 13 G 21 mph
Barometer 30.31 in (1026.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Feb 12:56 pm EST
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

  • This
    Afternoon

    This Afternoon: Sunny, with a steady temperature around 41. West wind 9 to 14 mph.

    Sunny

    High: 41 °F

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind around 6 mph becoming calm  in the evening.

    Mostly Clear

    Low: 31 °F

  • Washington's
    Birthday

    Washington's Birthday: A 30 percent chance of rain, mainly after 3pm.  Increasing clouds, with a high near 48. Wind chill values between 30 and 40 early. South wind 5 to 10 mph.

    Mostly Sunny
    then Chance
    Rain

    High: 48 °F

  • Monday
    Night

    Monday Night: Rain likely, mainly before 9pm, then a chance of showers after 1am.  Cloudy, with a steady temperature around 46. South wind around 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely

    Low: 46 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers before 10am.  Mostly cloudy, with a high near 56. Southwest wind 9 to 11 mph.

    Slight Chance
    Showers then
    Mostly Cloudy

    High: 56 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Mostly Cloudy

    Low: 50 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    Partly Sunny

    High: 62 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 43.

    Chance
    Showers

    Low: 43 °F

  • Thursday

    Thursday: A 40 percent chance of rain.  Mostly cloudy, with a high near 45.

    Chance Rain

    High: 45 °F

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 41. West wind 9 to 14 mph.
Tonight
Mostly clear, with a low around 31. West wind around 6 mph becoming calm in the evening.
Washington's Birthday
A 30 percent chance of rain, mainly after 3pm. Increasing clouds, with a high near 48. Wind chill values between 30 and 40 early. South wind 5 to 10 mph.
Monday Night
Rain likely, mainly before 9pm, then a chance of showers after 1am. Cloudy, with a steady temperature around 46. South wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of showers before 10am. Mostly cloudy, with a high near 56. Southwest wind 9 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 43.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 51.
Click Map For Forecast
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.81°N 73.11°W (Elev. 98 ft)
12:02 pm EST Feb 18, 2018
1pm EST Feb 18, 2018-6pm EST Feb 24, 2018
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database