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Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

76°F

24°C

Humidity 97%
Wind Speed SW 7 mph
Barometer 29.81 in (1009.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 18 Aug 10:56 pm EDT
Extended Forecast for

East Islip NY

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers.  Patchy fog.  Otherwise, cloudy, with a low around 73. Southwest wind 9 to 14 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Patchy Fog

    Low: 73 °F

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 8 to 10 mph.

    Decreasing
    Clouds

    High: 84 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 70. Southwest wind 6 to 9 mph.

    Partly Cloudy

    Low: 70 °F

  • Sunday

    Sunday: Sunny, with a high near 84. Northwest wind around 8 mph.

    Sunny

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 68. West wind 5 to 7 mph becoming light and variable  after midnight.

    Mostly Clear

    Low: 68 °F

  • Monday

    Monday: Sunny, with a high near 86.

    Sunny

    High: 86 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 71.

    Mostly Clear

    Low: 71 °F

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 3am.  Mostly cloudy, with a low around 72.

    Partly Cloudy
    then Chance
    T-storms

    Low: 72 °F

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Patchy fog. Otherwise, cloudy, with a low around 73. Southwest wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around 70. Southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 84. Northwest wind around 8 mph.
Sunday Night
Mostly clear, with a low around 68. West wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
9:53 pm EDT Aug 18, 2017
11pm EDT Aug 18, 2017-6pm EDT Aug 25, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database