National Weather Service

News Headlines

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79° N Lon: 73.1° W Elev: 98 ft.

Light Snow Fog/Mist

33°F

1°C

Humidity	96%
Wind Speed	NE 8 mph
Barometer	29.85 in (1010.8 mb)
Dewpoint	32°F (0°C)
Visibility	2.00 mi
Wind Chill	26°F (-3°C)
Last update	18 Jan 3:56 pm EST

More Information:

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

Detailed forecast for

Southwest Suffolk

This Afternoon

Snow with a slight chance of rain. Snow accumulation up to 1 inch. Near steady temperature in the mid 30s. Northeast winds 5 to 10 mph. Chance of precipitation near 100 percent.

Tonight

Snow, mainly in the evening. Snow accumulation of 1 to 3 inches. Lows in the mid 20s. North winds 5 to 10 mph, becoming northwest with gusts up to 20 mph after midnight. Chance of snow near 100 percent.

Martin Luther King Jr Day

Mostly sunny. Highs in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph.

Monday Night

Partly cloudy in the evening, then clearing. Brisk with lows around 18. West winds 15 to 25 mph with gusts up to 35 mph.

Tuesday

Sunny, brisk, cold with highs in the mid 20s. West winds 15 to 25 mph.

Tuesday Night

Clear. Lows 10 to 15.

Wednesday

Sunny in the morning, then becoming partly sunny. Highs in the upper 30s.

Wednesday Night

Mostly cloudy. Not as cool with lows around 30.