Florence Departs U.S. But Rivers Will Rise Further In Carolinas; Heavy Rain Continues In Midwest

Major-to-record river flooding will continue across the Carolinas for days to weeks to come as rainfall from Florence makes its way through area river systems. Meanwhile, a stationary front extending through the Midwest will be a focus for heavy rain with localized flash flooding across the Upper Midwest midweek; severe thunderstorms are also possible in this region. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

76°F

24°C

Humidity 74%
Wind Speed NE 10 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 Sep 11:56 am EDT
Extended Forecast for

Islip NY

  • This
    Afternoon

    This Afternoon: Mostly cloudy, with a high near 76. Northeast wind around 10 mph.

    Mostly Cloudy

    High: 76 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Northeast wind 6 to 8 mph.

    Mostly Cloudy

    Low: 62 °F

  • Thursday

    Thursday: Partly sunny, with a high near 71. Northeast wind 8 to 10 mph.

    Partly Sunny

    High: 71 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 60. Southeast wind around 6 mph.

    Mostly Cloudy

    Low: 60 °F

  • Friday

    Friday: Partly sunny, with a high near 75. South wind 8 to 14 mph.

    Partly Sunny

    High: 75 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 67.

    Partly Cloudy

    Low: 67 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    Mostly Sunny

    High: 74 °F

  • Saturday
    Night

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

    Partly Cloudy

    Low: 61 °F

  • Sunday

    Sunday: Partly sunny, with a high near 70.

    Partly Sunny

    High: 70 °F

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 76. Northeast wind around 10 mph.
Tonight
Mostly cloudy, with a low around 62. Northeast wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 71. Northeast wind 8 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 60. Southeast wind around 6 mph.
Friday
Partly sunny, with a high near 75. South wind 8 to 14 mph.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Partly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 70.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 60.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
Islip NY
 40.73°N 73.22°W (Elev. 7 ft)
9:29 am EDT Sep 19, 2018
12pm EDT Sep 19, 2018-6pm EDT Sep 25, 2018
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database