Claudette Impacts the Southeast U.S.; Severe Thunderstorms Sunday; A Heat Wave Persists in West

Heavy rainfall from Claudette may bring additional flash, urban and small stream flooding from Georgia into the Carolinas on Sunday. Scattered severe thunderstorms may occur Sunday across parts of the Midwest into the Great Lakes and Ohio Valley. The dangerous and record-breaking heat and critical fire weather conditions will continue across much of the western U.S. on Sunday. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

68°F

20°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 1:56 am EDT
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 67. West wind 5 to 7 mph.

    Mostly Cloudy

    Low: 67 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    Mostly Sunny

    High: 86 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph.

    Partly Cloudy

    Low: 68 °F

  • Monday

    Monday: Mostly sunny, with a high near 83. South wind 7 to 16 mph.

    Mostly Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 9pm.  Mostly cloudy, with a low around 67. South wind 8 to 15 mph.

    Chance
    T-storms

    Low: 67 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm.  Partly sunny, with a high near 81. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Showers
    Likely

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am.  Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 59 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    Mostly Sunny

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 67. West wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 86. Light and variable wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 83. South wind 7 to 16 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 67. South wind 8 to 15 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 81. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.81°N 73.11°W (Elev. 98 ft)
12:37 am EDT Jun 20, 2021
2am EDT Jun 20, 2021-6pm EDT Jun 26, 2021
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database