Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

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.

Mostly Cloudy

53°F

12°C

Humidity 89%
Wind Speed SW 5 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 21 Nov 11:56 pm EST
Extended Forecast for

Lake Ronkonkoma NY

  • Overnight

    Overnight: Rain after 3am.  Steady temperature around 52. South wind around 7 mph.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Rain

    Low: 52 °F

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 11am, then a chance of rain between 11am and 4pm.  Temperature falling to around 47 by 5pm. South wind 5 to 10 mph becoming northwest 12 to 17 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Rain then
    Chance Rain

    High: 54 °F

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 28. Northwest wind 6 to 15 mph.

    Clear

    Low: 28 °F

  • Thanksgiving
    Day

    Thanksgiving Day: Sunny, with a high near 43. Wind chill values between 25 and 35. West wind 6 to 8 mph.

    Sunny

    High: 43 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 33. West wind 5 to 10 mph.

    Partly Cloudy

    Low: 33 °F

  • Friday

    Friday: Sunny, with a high near 48.

    Sunny

    High: 48 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 39.

    Mostly Clear

    Low: 39 °F

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    Partly Sunny

    High: 57 °F

  • Saturday
    Night

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

    Mostly Cloudy

    Low: 39 °F

Detailed Forecast

Overnight
Rain after 3am. Steady temperature around 52. South wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 11am, then a chance of rain between 11am and 4pm. Temperature falling to around 47 by 5pm. South wind 5 to 10 mph becoming northwest 12 to 17 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Clear, with a low around 28. Northwest wind 6 to 15 mph.
Thanksgiving Day
Sunny, with a high near 43. Wind chill values between 25 and 35. West wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 33. West wind 5 to 10 mph.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 39.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
Click Map For Forecast
Point Forecast:
Lake Ronkonkoma NY
 40.83°N 73.11°W (Elev. 98 ft)
12:16 am EST Nov 22, 2017
12am EST Nov 22, 2017-6pm EST Nov 27, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database