Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.74°NLon: -73.1°WElev: 98ft.

Mostly Cloudy and Windy

24°F

-4°C

Humidity 35%
Wind Speed W 28 G 37 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 11 Feb 3:56 pm EST
Extended Forecast for

Sayville NY

  • Tonight

    Tonight: Mostly clear, with a low around 12. Wind chill values between zero and 10. Breezy, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight.

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

    Low: 12 °F

  • Friday

    Friday: Increasing clouds, with a high near 27. Wind chill values between zero and 10. Southwest wind 9 to 11 mph.

    Increasing
    Clouds

    High: 27 °F

  • Friday
    Night

    Friday Night: A slight chance of snow showers before midnight, then a chance of snow after midnight.  Cloudy, with a low around 15. Wind chill values between 5 and 10. Southwest wind 8 to 17 mph.  Chance of precipitation is 40%.

    Chance Snow

    Low: 15 °F

  • Saturday

    Saturday: A chance of snow before 9am.  Partly sunny and cold, with a high near 20. Wind chill values between -5 and zero. Windy, with a northwest wind 22 to 28 mph, with gusts as high as 40 mph.  Chance of precipitation is 30%.

    Windy. Chance
    Snow then
    Mostly Sunny

    High: 20 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around -2. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 38 mph.

    Mostly Cloudy
    and Blustery

    Low: -2 °F

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 16. Blustery.

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

    High: 16 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 8.

    Partly Cloudy

    Low: 8 °F

  • Washington's
    Birthday

    Washington's Birthday: A chance of snow after 3pm.  Mostly cloudy, with a high near 33. Chance of precipitation is 30%.

    Partly Sunny
    then Chance
    Snow

    High: 33 °F

  • Monday
    Night

    Monday Night: Snow likely before midnight, then rain and snow likely.  Cloudy, with a low around 28. Chance of precipitation is 70%.

    Snow Likely
    then
    Rain/Snow
    Likely

    Low: 28 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 12. Wind chill values between zero and 10. Breezy, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight.
Friday
Increasing clouds, with a high near 27. Wind chill values between zero and 10. Southwest wind 9 to 11 mph.
Friday Night
A slight chance of snow showers before midnight, then a chance of snow after midnight. Cloudy, with a low around 15. Wind chill values between 5 and 10. Southwest wind 8 to 17 mph. Chance of precipitation is 40%.
Saturday
A chance of snow before 9am. Partly sunny and cold, with a high near 20. Wind chill values between -5 and zero. Windy, with a northwest wind 22 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around -2. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 38 mph.
Sunday
Mostly sunny and cold, with a high near 16. Blustery.
Sunday Night
Partly cloudy, with a low around 8.
Washington's Birthday
A chance of snow after 3pm. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Monday Night
Snow likely before midnight, then rain and snow likely. Cloudy, with a low around 28. Chance of precipitation is 70%.
Tuesday
Rain and snow likely, becoming all rain after 9am. Cloudy, with a high near 48. Chance of precipitation is 70%.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 32. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 40.
Click Map For Forecast
Point Forecast:
Sayville NY
 40.74°N 73.1°W (Elev. 30 ft)
12:58 pm EST Feb 11, 2016
4pm EST Feb 11, 2016-6pm EST Feb 18, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database