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Heavy Rain and a Few Severe Thunderstorms Across Nation's Mid-Section Wednesday

A slow-moving front will bring multiple rounds of thunderstorms across parts of the Missouri River Valley into the Mid-Mississippi and the Tennessee River Valleys through Wednesday night. Local flooding from the heavy rains can be expected in some areas, so Flash Flood Watches are in effect. In addition, some of the stronger storms may produce damaging winds, large hail, and isolated tornadoes.
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

79°F

26°C

Humidity 65%
Wind Speed SW 20 G 24 mph
Barometer 29.76 in (1007.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 1 Jul 4:56 pm EDT
Extended Forecast for

Stony Brook NY

  • Tonight

    Isolated Thunderstorms Chance for Measurable Precipitation 20%

    Isolated
    Thunderstorms

    Low: 66 °F

  • Thursday

    Mostly Sunny

    Mostly
    Sunny

    High: 82 °F

  • Thursday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 62 °F

  • Friday

    Sunny

    Sunny

    High: 79 °F

  • Friday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 61 °F

  • Independence
    Day

    Becoming Cloudy

    Becoming
    Cloudy

    High: 77 °F

  • Saturday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 65 °F

  • Sunday

    Mostly Sunny

    Mostly
    Sunny

    High: 81 °F

  • Sunday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 66 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms between 11pm and 1am. Partly cloudy, with a low around 66. Southwest wind 13 to 18 mph becoming light west after midnight. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 82. Light and variable wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 62. South wind around 6 mph becoming calm.
Friday
Sunny, with a high near 79. North wind 5 to 9 mph becoming light east in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Southeast wind around 7 mph becoming northeast after midnight.
Independence Day
Mostly sunny through mid morning, then becoming cloudy, with a high near 77.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly cloudy, with a low around 67.
Wednesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
  Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
3:53 pm EDT Jul 1, 2015
6pm EDT Jul 1, 2015-6pm EDT Jul 8, 2015
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database