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Heavy precipitation for parts of the Pacific Northwest

Moisture will continue to stream into the Pacific Northwest for the next several days. Heavy rain will continue along the coast, while heavy snow will impact the highest elevations of the Cascades. In the northern Plains and Upper Great Lakes, more arctic air will bring periods of snow, blustery winds and cold wind chills. Light snow is also possible in New England and the Ohio Valley. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain Fog/Mist

55°F

13°C

Humidity 96%
Wind Speed S 6 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 54°F (12°C)
Visibility 6.00 mi
Wind Chill54°F (12°C)
Last update 22 Nov 3:56 am EST
Extended Forecast for

Holtsville NY

  • Overnight

    Overnight: Rain and possibly a thunderstorm.  Steady temperature around 52. South wind around 5 mph.  Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Rain

    Low: 52 °F

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 9am, then rain between 9am and 2pm.  Temperature rising to near 54 by 9am, then falling to around 48 during the remainder of the day. South wind 5 to 10 mph becoming northwest 12 to 17 mph in the afternoon.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 54 °F

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 28. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight.

    Clear

    Low: 28 °F

  • Thanksgiving
    Day

    Thanksgiving Day: Sunny, with a high near 43. Wind chill values between 20 and 30. West wind 6 to 8 mph.

    Sunny

    High: 43 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 34. West wind 6 to 10 mph.

    Partly Cloudy

    Low: 34 °F

  • Friday

    Friday: Sunny, with a high near 48.

    Sunny

    High: 48 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 40.

    Mostly Clear

    Low: 40 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    Mostly Sunny

    High: 57 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Mostly Cloudy

    Low: 39 °F

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Steady temperature around 52. South wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and possibly a thunderstorm before 9am, then rain between 9am and 2pm. Temperature rising to near 54 by 9am, then falling to around 48 during the remainder of the day. South wind 5 to 10 mph becoming northwest 12 to 17 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Clear, with a low around 28. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight.
Thanksgiving Day
Sunny, with a high near 43. Wind chill values between 20 and 30. West wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 34. West wind 6 to 10 mph.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 52.
Click Map For Forecast
Point Forecast:
Holtsville NY
 40.82°N 73.05°W (Elev. 112 ft)
2:51 am EST Nov 22, 2017
4am EST Nov 22, 2017-6pm EST Nov 28, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database