Tropical Storm Colin to Impact Carolina Coast; Severe Thunderstorms in the Mid-Atlantic, Northeast, and Northern Plains

Tropical Storm Colin is producing heavy rain that may result in flash flooding, strong winds, and rough surf along and off the Carolina Coast through Sunday. Severe thunderstorms will impact parts of the Northeast, Mid-Atlantic, and northern Plains. Critical fire weather conditions expected in the Great Basin and mainland Alaska. Heavy rains are possible in central Plains and the ArkLaTex. Read More >

Hazardous Weather Conditions

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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Thunderstorm Light Rain

79°F

26°C

Humidity	82%
Wind Speed	Vrbl 3 mph
Barometer	29.91 in (1012.8 mb)
Dewpoint	73°F (23°C)
Visibility	4.00 mi
Heat Index	82°F (28°C)
Last update	2 Jul 3:56 pm EDT

More Information:

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

Extended Forecast for

Islip NYSimilar City Names

This
Afternoon

Heavy Rain
High: 80 °F
Tonight

Heavy Rain
Low: 70 °F
Sunday

Decreasing
Clouds
High: 82 °F
Sunday
Night

Mostly Clear
Low: 65 °F
Independence
Day

Sunny
High: 81 °F
Monday
Night

Partly Cloudy
Low: 67 °F
Tuesday

Chance
T-storms
High: 81 °F
Tuesday
Night

Chance
Showers
Low: 67 °F
Wednesday

Chance
Showers
High: 80 °F

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Partly sunny, with a high near 80. Southwest wind 11 to 13 mph.

Tonight

Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a slight chance of showers after 2am. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 70. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind becoming north around 6 mph in the morning.

Sunday Night

Mostly clear, with a low around 65. Southwest wind around 5 mph becoming light and variable.

Independence Day

Sunny, with a high near 81. North wind 5 to 8 mph becoming southwest in the afternoon.

Monday Night

Partly cloudy, with a low around 67.

Tuesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Tuesday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 67.