Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. 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 64%
Wind Speed NW 5 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Jul 3:56 am EDT
Extended Forecast for

East Islip NY

Heat Advisory July 25, 11:00am until July 25, 06:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the morning.

    Sunny

    High: 89 °F

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 73. South wind 6 to 9 mph.

    Partly Cloudy
    then Patchy
    Fog

    Low: 73 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Some of the storms could produce gusty winds and heavy rain.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 5 to 11 mph.

    Patchy Fog
    then Heavy
    Rain

    High: 91 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could produce gusty winds and heavy rain.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 75. Southwest wind 6 to 8 mph.

    Heavy Rain
    and Patchy
    Fog

    Low: 75 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. West wind 8 to 14 mph.

    Mostly Sunny

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    Mostly Sunny

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 71.

    Partly Cloudy

    Low: 71 °F

  • Thursday

    Thursday: Partly sunny, with a high near 85.

    Partly Sunny

    High: 85 °F

Detailed Forecast

Today
Sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 73. South wind 6 to 9 mph.
Monday
A 40 percent chance of showers and thunderstorms after noon. Some of the storms could produce gusty winds and heavy rain. Patchy fog before 9am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 5 to 11 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could produce gusty winds and heavy rain. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 75. Southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 91. West wind 8 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Partly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
Partly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
3:06 am EDT Jul 24, 2016
4am EDT Jul 24, 2016-6pm EDT Jul 30, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database