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Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

An unseasonably strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians Friday into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

79°F

26°C

Humidity 77%
Wind Speed SE 8 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 28 Jul 12:56 pm EDT
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 82. South wind 6 to 9 mph.

    Partly Sunny

    High: 82 °F

  • Tonight

    Tonight: A slight chance of light rain before 9pm, then rain, mainly after 9pm.  Low around 69. Northeast wind 3 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Chance Rain
    then Rain

    Low: 69 °F

  • Saturday

    Saturday: Rain likely, mainly before 10am.  Cloudy, with a high near 74. Breezy, with a northeast wind 18 to 23 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely
    and Breezy

    High: 74 °F

  • Saturday
    Night

    Saturday Night: A chance of rain before 10pm, then a slight chance of light rain after 10pm.  Mostly cloudy, with a low around 59. Northeast wind around 17 mph.  Chance of precipitation is 30%.

    Chance Rain

    Low: 59 °F

  • Sunday

    Sunday: Partly sunny, with a high near 78. Northeast wind 8 to 16 mph.

    Partly Sunny

    High: 78 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 64.

    Mostly Cloudy

    Low: 64 °F

  • Monday

    Monday: Partly sunny, with a high near 77.

    Partly Sunny

    High: 77 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 65.

    Mostly Cloudy

    Low: 65 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    Mostly Sunny

    High: 82 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 82. South wind 6 to 9 mph.
Tonight
A slight chance of light rain before 9pm, then rain, mainly after 9pm. Low around 69. Northeast wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain likely, mainly before 10am. Cloudy, with a high near 74. Breezy, with a northeast wind 18 to 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A chance of rain before 10pm, then a slight chance of light rain after 10pm. Mostly cloudy, with a low around 59. Northeast wind around 17 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 78. Northeast wind 8 to 16 mph.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.78°N 73.09°W (Elev. 49 ft)
10:34 am EDT Jul 28, 2017
1pm EDT Jul 28, 2017-6pm EDT Aug 3, 2017
 
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Additional Resources

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