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 >

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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

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

Overnight

Mostly Cloudy
Low: 67 °F
Sunday

Mostly Sunny
High: 86 °F
Sunday
Night

Partly Cloudy
Low: 68 °F
Monday

Mostly Sunny
High: 83 °F
Monday
Night

Chance
T-storms
Low: 67 °F
Tuesday

Chance
T-storms then
Showers
Likely
High: 81 °F
Tuesday
Night

Showers
Likely then
Chance
T-storms
Low: 59 °F
Wednesday

Mostly Sunny
High: 78 °F
Wednesday
Night

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.