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Heavy snow in the Rockies, Fire weather threat in the Southwest, and Heavy rainfall threat for the weekend in the Southern Plains into the Ohio Valley

Heavy snow is expected in the northern and central Rockies. There is a critical to elevated fire risk across the Southwest. A few severe storms are expected from the Southeast States into the Great Lakes and portions of the Central Plains on Thursday. Heavy rainfall is forecast through the weekend with a threat for significant flooding for the Southern Plains into the Mississippi Valley Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fog/Mist

55°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 29.84 in (1010.5 mb)
Dewpoint 54°F (12°C)
Visibility 6.00 mi
Last update 27 Apr 12:56 am EDT
Extended Forecast for

Stony Brook NY

  • Overnight

    Overnight: Patchy drizzle.  Areas of fog.  Otherwise, cloudy, with a low around 54. Calm wind.

    Patchy
    Drizzle and
    Areas Fog

    Low: 54 °F

  • Thursday

    Thursday: Areas of fog before 9am.  Otherwise, mostly cloudy, with a high near 67. Calm wind becoming south 5 to 7 mph in the afternoon.

    Areas Fog
    then Mostly
    Cloudy

    High: 67 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers between 9pm and 3am, then a chance of showers and thunderstorms after 3am.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 56. South wind 7 to 9 mph.  Chance of precipitation is 30%.

    Chance
    Showers and
    Patchy Fog

    Low: 56 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 5 to 8 mph.

    Chance
    T-storms

    High: 74 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 54. South wind 5 to 8 mph.

    Mostly Cloudy

    Low: 54 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 77.

    Mostly Cloudy

    High: 77 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Mostly Cloudy

    Low: 51 °F

  • Sunday

    Sunday: Mostly cloudy, with a high near 63.

    Mostly Cloudy

    High: 63 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers after 10pm.  Cloudy, with a low around 50.

    Chance
    Showers

    Low: 50 °F

Detailed Forecast

Overnight
Patchy drizzle. Areas of fog. Otherwise, cloudy, with a low around 54. Calm wind.
Thursday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A slight chance of showers between 9pm and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 56. South wind 7 to 9 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 54. South wind 5 to 8 mph.
Saturday
Mostly cloudy, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly cloudy, with a high near 63.
Sunday Night
A 40 percent chance of showers after 10pm. Cloudy, with a low around 50.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 66.
Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
11:14 pm EDT Apr 26, 2017
1am EDT Apr 27, 2017-6pm EDT May 3, 2017
 
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Additional Resources

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