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Heavy Rain, Flooding Possible From Remnants of Tropical Storm Cindy

The remnants of Tropical Storm Cindy will spread heavy rain into the Tennessee and Ohio Valleys today - and into the Appalachians and Mid-Atlantic tonight. Flash flooding is possible in these areas. Strong to severe thunderstorms are also possible in these areas. Flash flooding is life threatening. Never drive your car across flooded roadways. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

79°F

26°C

Humidity 82%
Wind Speed SW 15 mph
Barometer 29.75 in (1007.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 23 Jun 12:56 pm EDT
Extended Forecast for

Stony Brook NY

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms, mainly before 3pm. Some of the storms could produce small hail and gusty winds.  Mostly cloudy, with a high near 83. South wind around 15 mph.  Chance of precipitation is 30%.

    Scattered
    Showers

    High: 83 °F

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 10pm. Some of the storms could produce gusty winds.  Mostly cloudy, with a low around 73. Southwest wind 11 to 13 mph.

    Chance
    T-storms

    Low: 73 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rain.  Cloudy, then gradually becoming mostly sunny, with a high near 86. West wind 9 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 66. Northwest wind 5 to 9 mph.

    Mostly Clear

    Low: 66 °F

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm.  Sunny, with a high near 83. Southwest wind 5 to 10 mph.

    Sunny then
    Slight Chance
    Showers

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Monday

    Monday: Sunny, with a high near 80.

    Sunny

    High: 80 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 61.

    Partly Cloudy

    Low: 61 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    Mostly Sunny

    High: 77 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly before 3pm. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a high near 83. South wind around 15 mph. Chance of precipitation is 30%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 10pm. Some of the storms could produce gusty winds. Mostly cloudy, with a low around 73. Southwest wind 11 to 13 mph.
Saturday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rain. Cloudy, then gradually becoming mostly sunny, with a high near 86. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Mostly clear, with a low around 66. Northwest wind 5 to 9 mph.
Sunday
A 20 percent chance of showers after 2pm. Sunny, with a high near 83. Southwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
10:04 am EDT Jun 23, 2017
1pm EDT Jun 23, 2017-6pm EDT Jun 29, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database