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Active Weather Pattern in the West and into the Central U.S.

A series of weather systems will bring locally heavy rain, 1 to 3 feet of mountain snow, and strong winds up to 75 mph across the western states. Later this weekend and early next week, a strong low pressure system will spread wintry conditions and strong winds from the Plains into the Upper Midwest. Strengthening winds in the Southern Plains will increase fire weather threats. Warmer in the east. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

29°F

-2°C

Humidity 56%
Wind Speed NW 13 G 21 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Jan 6:56 pm EST
Extended Forecast for

Stony Brook NY

  • Tonight

    Tonight: Mostly clear, with a low around 21. Wind chill values between 10 and 15. West wind 8 to 11 mph.

    Mostly Clear

    Low: 21 °F

  • Friday

    Friday: Sunny, with a high near 37. Wind chill values between 10 and 20. West wind around 11 mph.

    Sunny

    High: 37 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a steady temperature around 33. Wind chill values between 25 and 30. Southwest wind 9 to 11 mph.

    Mostly Clear

    Low: 33 °F

  • Saturday

    Saturday: Sunny, with a high near 50. Wind chill values between 25 and 35 early. West wind 13 to 15 mph.

    Sunny

    High: 50 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 32. West wind 7 to 10 mph.

    Partly Cloudy

    Low: 32 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    Mostly Sunny

    High: 45 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Mostly Cloudy

    Low: 32 °F

  • Monday

    Monday: A 30 percent chance of rain after 10am.  Cloudy, with a high near 42.

    Chance Rain

    High: 42 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of rain.  Cloudy, with a low around 40.

    Chance Rain

    Low: 40 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Wind chill values between 10 and 15. West wind 8 to 11 mph.
Friday
Sunny, with a high near 37. Wind chill values between 10 and 20. West wind around 11 mph.
Friday Night
Mostly clear, with a steady temperature around 33. Wind chill values between 25 and 30. Southwest wind 9 to 11 mph.
Saturday
Sunny, with a high near 50. Wind chill values between 25 and 35 early. West wind 13 to 15 mph.
Saturday Night
Partly cloudy, with a low around 32. West wind 7 to 10 mph.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
A 30 percent chance of rain after 10am. Cloudy, with a high near 42.
Monday Night
A 50 percent chance of rain. Cloudy, with a low around 40.
Tuesday
Rain. High near 50. Chance of precipitation is 80%.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 36.
Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
2:46 pm EST Jan 18, 2018
7pm EST Jan 18, 2018-6pm EST Jan 25, 2018
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database