Hot temperatures across the west; southeast

Heat and humidity will impact the southeast early this week. Heat indices over 100 degrees are expected from the Texas Gulf Coast to the Florida Panhandle, into the lower Mississippi Valley and portions of Alabama and Georgia. Excessive heat will return to the Desert Southwest Monday and persist through the week. Temperatures over 100 will also expand to the Intermountain West.
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

68°F

20°C

Humidity 78%
Wind Speed SW 9 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Jun 6:56 am EDT
Extended Forecast for

Stony Brook NY

  • Today

    Today: Mostly sunny, with a high near 77. South wind 8 to 15 mph.

    Mostly Sunny

    High: 77 °F

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm.  Mostly cloudy, with a low around 68. South wind 10 to 14 mph.

    Slight Chance
    Showers

    Low: 68 °F

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 77. South wind 8 to 13 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 68. South wind 5 to 10 mph becoming light  after midnight.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 68 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 4pm.  Partly sunny, with a high near 80. West wind around 6 mph becoming southwest in the afternoon.

    Chance
    T-storms

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 65.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 65 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    Mostly Sunny

    High: 81 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 66.

    Partly Cloudy

    Low: 66 °F

  • Friday

    Friday: Mostly sunny, with a high near 81.

    Mostly Sunny

    High: 81 °F

Detailed Forecast

Today
Mostly sunny, with a high near 77. South wind 8 to 15 mph.
Tonight
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 68. South wind 10 to 14 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 77. South wind 8 to 13 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. South wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 80. West wind around 6 mph becoming southwest in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
7:11 am EDT Jun 27, 2016
7am EDT Jun 27, 2016-6pm EDT Jul 3, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database