Severe Storms in the Upper Midwest; Heavy Rain in the Mid-Atlantic; Widespread Heat in the Southwest

Severe storms with damaging winds, large hail, and locally heavy rain will impact portions of the Upper Midwest. A lingering front will bring another round of heavy showers and thunderstorms to the Mid-Atlantic. Excessive heat continues in the South Plains to the Southwest, and fire weather threats remain Critical across the Great Basin, Northern Rockies, and into the Plains. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

75°F

24°C

Humidity 94%
Wind Speed W 3 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 13 Aug 4:56 am EDT
Extended Forecast for

Central Islip NY

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 11am.  Mostly cloudy, with a high near 84. Light and variable wind becoming south 5 to 7 mph in the morning.

    Chance
    T-storms

    High: 84 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Light and variable wind.

    Mostly Cloudy

    Low: 70 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before noon.  Partly sunny, with a high near 83. Light and variable wind becoming southeast 6 to 11 mph in the morning.

    Chance
    T-storms then
    Partly Sunny

    High: 83 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 68. Northeast wind 7 to 9 mph.

    Partly Cloudy

    Low: 68 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Northeast wind around 13 mph.

    Mostly Sunny

    High: 82 °F

  • Saturday
    Night

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

    Partly Cloudy

    Low: 67 °F

  • Sunday

    Sunday: A 30 percent chance of showers.  Partly sunny, with a high near 80.

    Chance
    Showers

    High: 80 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 68.

    Chance
    Showers

    Low: 68 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 82.

    Chance
    T-storms

    High: 82 °F

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 84. Light and variable wind becoming south 5 to 7 mph in the morning.
Tonight
Mostly cloudy, with a low around 70. Light and variable wind.
Friday
A 30 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 83. Light and variable wind becoming southeast 6 to 11 mph in the morning.
Friday Night
Partly cloudy, with a low around 68. Northeast wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 82. Northeast wind around 13 mph.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 80.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 68.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly cloudy, with a high near 82.
Click Map For Forecast
Point Forecast:
Central Islip NY
 40.79°N 73.2°W (Elev. 98 ft)
3:26 am EDT Aug 13, 2020
5am EDT Aug 13, 2020-6pm EDT Aug 19, 2020
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database