Heavy Lake Effect Snow Through Wednesday; Heavy Rain Across Hawaii

Heavy lake effect snow will continue downwind of the Great Lakes through Wednesday morning. Expect difficult travel conditions. The cold air has finally made its way south and east, making way for near to below freezing low temperatures. Meanwhile, a low pressure system moving northwest of Hawaii will bring thunderstorms, heavy rain and flooding potential across the state Wednesday. Read More >

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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

32°F

0°C

Humidity	50%
Wind Speed	W 15 mph
Barometer	29.98 in (1015.3 mb)
Dewpoint	15°F (-9°C)
Visibility	10.00 mi
Wind Chill	22°F (-6°C)
Last update	28 Nov 10:56 pm EST

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

Tonight

Mostly Clear
Low: 24 °F
Wednesday

Sunny
High: 39 °F
Wednesday
Night

Partly Cloudy
Low: 26 °F
Thursday

Increasing
Clouds
High: 48 °F
Thursday
Night

Partly Cloudy
Low: 38 °F
Friday

Partly Sunny
then Rain
Likely
High: 52 °F
Friday
Night

Rain Likely
Low: 38 °F
Saturday

Mostly Cloudy
High: 50 °F
Saturday
Night

Mostly Cloudy
then Chance
Rain
Low: 40 °F

Detailed Forecast

Tonight

Mostly clear, with a low around 24. Wind chill values between 15 and 20. West wind 11 to 15 mph.

Wednesday

Sunny, with a high near 39. Wind chill values between 15 and 25. Southwest wind 9 to 13 mph.

Wednesday Night

Partly cloudy, with a low around 26. West wind around 9 mph.

Thursday

Increasing clouds, with a high near 48. Wind chill values between 20 and 30 early. West wind 8 to 10 mph.

Thursday Night

Partly cloudy, with a low around 38. Southwest wind 9 to 11 mph.

Friday

Rain likely after 1pm. Increasing clouds, with a high near 52. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Rain likely before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

Saturday

Mostly cloudy, with a high near 50.

Saturday Night

A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 40.

Sunday

A 40 percent chance of rain. Mostly cloudy, with a high near 53.

Sunday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 38.

Monday

A 30 percent chance of rain. Partly sunny, with a high near 50.