Heat Will Continue in the Mid-Atlantic and Southeast

A very hot and humid airmass will persist over portions of the mid-Atlantic and southeast. Afternoon high temperatures in these areas are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. Hot temperatures are also expected over portions of the west. In the central and northern Plains, strong to severe thunderstorms are possible. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed W 8 mph
Barometer 29.84 in (1010.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 26 Jul 3:56 am EDT
Extended Forecast for

Stony Brook NY

  • Today

    Today: Sunny, with a high near 93. West wind 6 to 15 mph.

    Sunny

    High: 93 °F

  • Tonight

    Tonight: Mostly clear, with a low around 71. Northwest wind 5 to 7 mph.

    Mostly Clear

    Low: 71 °F

  • Wednesday

    Wednesday: Sunny, with a high near 92. North wind 5 to 9 mph becoming west in the afternoon.

    Sunny

    High: 92 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 71. Southwest wind around 6 mph becoming calm  in the evening.

    Mostly Clear

    Low: 71 °F

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming south 5 to 9 mph in the morning.

    Sunny

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73.

    Slight Chance
    T-storms

    Low: 73 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 84.

    Chance
    T-storms

    High: 84 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 84.

    Chance
    T-storms

    High: 84 °F

Detailed Forecast

Today
Sunny, with a high near 93. West wind 6 to 15 mph.
Tonight
Mostly clear, with a low around 71. Northwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 92. North wind 5 to 9 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 92. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
3:26 am EDT Jul 26, 2016
4am EDT Jul 26, 2016-6pm EDT Aug 1, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database