Severe Weather Across the Northern Tier of the Country; Heat Builds Across the Center of the Nation

A frontal boundary will focus the threat for showers and thunderstorms, some severe, across the northern tier of the country through Tuesday. Meanwhile, dangerous heat will expand across the center of the nation through at least the middle of the week. Elevated to critical fire weather conditions will persist across the Great Basin, portions of the Plains and interior Alaska. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

79°F

26°C

Humidity 39%
Wind Speed SW 14 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 4 Jul 3:56 pm EDT
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Southwest wind 3 to 8 mph.

    Partly Cloudy

    Low: 66 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. South wind 7 to 15 mph.

    Partly Sunny

    High: 82 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 69. South wind 11 to 16 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 69 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 86. West wind 7 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 67. North wind 6 to 9 mph becoming east in the evening.

    Slight Chance
    Showers

    Low: 67 °F

  • Thursday

    Thursday: Partly sunny, with a high near 80.

    Partly Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers after 2am.  Mostly cloudy, with a low around 66.

    Mostly Cloudy
    then Chance
    Showers

    Low: 66 °F

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 79. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 79 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 66 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Southwest wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 82. South wind 7 to 15 mph.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South wind 11 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. West wind 7 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 67. North wind 6 to 9 mph becoming east in the evening.
Thursday
Partly sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 66.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 80.
Click Map For Forecast
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.81°N 73.11°W (Elev. 98 ft)
4:11 pm EDT Jul 4, 2022
4pm EDT Jul 4, 2022-6pm EDT Jul 11, 2022
 
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Additional Resources

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